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Achondroplasia

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34: 565: 866: 669: 588:) gene. This gene encodes a protein called fibroblast growth factor receptor 3, which contributes to the production of collagen and other structural components in tissues and bones. When the FGFR3 gene is mutated it interferes with how this protein interacts with growth factors leading to complications with bone production. Cartilage is not able to fully develop into bone, causing the individual to be disproportionately shorter in height. 573: 845:
the condition from the start and associates it with destructive anxiety, it significantly damages the individual's self-image and leads to their social exclusion. Thus, the author hypothesizes, an accepting environment is crucial to prevent significant suffering for individuals with achondroplasia and to ensure the best outcomes for corrective interventions, rather than perpetuating rejection.
832:. This makes estimates of prevalence difficult, with changing and subjective diagnostic criteria over time. One detailed and long-running study in the Netherlands found that the prevalence determined at birth was only 1.3 per 100,000 live births. Another study at the same time found a rate of 1 per 10,000. A 2020 review and meta-analysis estimated a worldwide prevalence of 4.6 per 100,000. 1957:
The postnatal diagnosis of achondroplasia is fairly straightforward. A combination of key clinical (that is, macrocephaly, short limbed-short stature with rhizomelia and redundant skin folds) and radiographic (that is, characteristic pelvis with short and square ilia, narrow sacro-sciatic notches and
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Savarirayan R, Tofts L, Irving M, Wilcox W, Bacino CA, Hoover-Fong J, Font RU, Harmatz P, Rutsch F, Bober MB, Polgreen LE, Ginebreda I, Mohnike K, Charrow J, Hoernschemeyer D, Ozono K, Alanay Y, Arundel P, Kagami S, Yasui N, White KK, Saal HM, Leiva-Gea A, Luna-González F, Mochizuki H, Basel D, Porco
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was created by humans through the selective breeding of common domestic sheep with achondroplasia. The average-sized torso combined with the relatively smaller legs produced by achondroplasia was valued for making affected sheep less likely to escape without affecting the amount of wool or meat each
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A similar form of achondroplasia was found in a litter of piglets from a phenotypically normal Danish sow. The dwarfism was inherited dominant in the offspring from this litter. The piglets were born phenotypically normal but became more and more symptomatic as they reached maturity. This involved a
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On the other hand, other investigators, such as Ancona, state that for many individuals in immediate environments that have natural acceptance of the condition from the beginning, their main challenge lies in adapting to a world designed for those without the condition. However, when society rejects
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Similarly, a study conducted in Japan by Nishimura and Hanaki found that children with achondroplasia faced challenges related to their short stature, but there was no indication of psychosocial maladjustment. They hypothesized that focusing on coping strategies and self-efficacy may play a crucial
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Children with achondroplasia often have less muscle tone; because of this it is common for them to have delayed walking and motor skills. It is also common for children to have bowed legs, scoliosis, lordosis, arthritis, issues with joint flexibility, breathing problems, ear infections, and crowded
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Social support and peer connections can be important for individuals with achondroplasia. Support groups, online communities, and advocacy organizations can provide a sense of belonging and can help individuals with achondroplasia connect with others who understand their experiences. Additionally,
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are available to support patients and their caregivers with information that they can distribute to their physicians, who may not be familiar with the unique medical requirements of managing achondroplasia. Physician-oriented best practice guidelines are also available to guide physicians managing
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Pregnancy in women with achondroplasia is considered higher risk. Women with achondroplasia generally have their babies delivered through C-sections to prevent complications that could occur with a natural birth. Intelligence and life span are usually near normal, although craniocervical junction
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In addition to physical challenges, individuals with achondroplasia may also experience psychological challenges such as fear or negative perception of individuals with achondroplasia. Gollust et al. have indicated that adults with achondroplasia tend to have lower self-esteem, annual income,
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does not help people with achondroplasia, which involve a different hormonal pathway. Usually, the best results appear within the first and second year of therapy. After the second year of growth hormone therapy, beneficial bone growth decreases, so the therapy is not a satisfactory long-term
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Where achondroplasia is inherited, its pattern is autosomal dominant. In couples where one partner has achondroplasia there is a 50% chance of passing the disorder on to their child every pregnancy. In situations where both parents have achondroplasia there is a 50% chance the child will have
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Hydrocephalus is a severe effect associated with achondroplasia in children. This condition occurs when cerebrospinal fluid is not able to flow in and out of the skull because of how the spine narrows. This fluid build up is associated with an enlarged head, vomiting, lethargy, headaches, and
382:. Mutations in FGFR3 also cause achondroplasia related conditions including hypochondroplasia and SADDAN (severe achondroplasia with developmental delay and acanthosis nigricans), a rare disorder of bone growth characterized by skeletal, brain, and skin abnormalities resulting in severe 893:). Therefore, it seems unlikely that dogs and humans are achondroplastic for the same reasons. However, histological studies in some achondroplastic dog breeds have shown altered cell patterns in cartilage that are very similar to those observed in humans exhibiting achondroplasia. 841:
educational attainment, and overall quality of life (QOL) when compared to their unaffected siblings. Interestingly, the Golust study revealed that the subjects were as likely to cite disadvantages relating to social barriers as those relating to health issues and functioning.
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kyphosis and mid-face hypoplasia. Complications like dental malocclusion, hydrocephalus and repeated otitis media can be observed. The risk of death in infancy is increased due to the likelihood of compression of the spinal cord with or without upper airway obstruction.
637:; it has been theorized that sperm carrying the mutation in FGFR3 have a selective advantage over sperm with normal FGFR3. The frequency of mutations in sperm leading to achondroplasia increases in proportion to paternal age, as well as in proportion to exposure to 2294:
Kitoh H, Kitakoji T, Tsuchiya H, Katoh M, Ishiguro N (2007). "Distraction osteogenesis of the lower extremity in patients that have achondroplasia/hypochondroplasia treated with transplantation of culture-expanded bone marrow cells and platelet-rich plasma".
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Research has also shown that introducing parents of children with achondroplasia to support and advocacy groups at the time of diagnosis can improve outcomes. Several patient advocacy groups exist to support people with achondroplasia and their families.
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White KK, Bompadre V, Goldberg MJ, Bober MB, Cho TJ, Hoover-Fong JE, Irving M, Mackenzie WG, Kamps SE, Raggio C, Redding GJ, Spencer SS, Savarirayan R, Theroux MC, On behalf of the Skeletal Dysplasia Management Consortium (1 October 2017).
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Although evidence in this area is scarce, limb lengthening is advised in some countries and not recommended in others. ... The timing of limb lengthening varies and has been performed from early childhood to adult life in individuals with
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on behalf of the Skeletal Dysplasia Management Consortium, Savarirayan R, Tunkel DE, Sterni LM, Bober MB, Cho TJ, Goldberg MJ, Hoover-Fong J, Irving M, Kamps SE, Mackenzie WG, Raggio C, Spencer SA, Bompadre V, White KK (1 December 2021).
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DM, Jayaram K, Fisheleva E, Huntsman-Labed A, Day J (5 September 2020). "Once-daily, subcutaneous vosoritide therapy in children with achondroplasia: a randomised, double-blind, phase 3, placebo-controlled, multicentre trial".
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White KK, Bober MB, Cho TJ, Goldberg MJ, Hoover-Fong J, Irving M, Kamps SE, Mackenzie WG, Raggio C, Spencer SA, Bompadre V, Savarirayan R, on behalf of the Skeletal Dysplasia Management Consortium (24 December 2020).
3209: 3194: 1734: 704:. Postnatal diagnosis of achondroplasia is typically uncomplicated, involving an assessment of physical and radiographic features. Clinical features include megalocephaly, short limbs, prominent forehead, 2127:"The Molecular and Genetic Basis of Fibroblast Growth Factor Receptor 3 Disorders: The Achondroplasia Family of Skeletal Dysplasias, Muenke Craniosynostosis, and Crouzon Syndrome with Acanthosis Nigricans" 794:
will increase the length of the legs and arms of someone with achondroplasia, but little medical consensus exists regarding this practice. The age of surgery can vary from early childhood to adulthood.
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is typically of normal length. Those affected have an average adult height of 131 centimetres (4 ft 4 in) for males and 123 centimetres (4 ft) for females. Other features can include an
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has a negative regulatory effect on bone growth. In achondroplasia, the mutated form of the receptor is constitutively active, and this leads to severely shortened bones. This is an example of a
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mode of inheritance, meaning only one mutated copy of the gene is required for the condition to occur. About 80% of cases occur in children of parents without the disease, and result from a new (
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There is no known cure for achondroplasia even though the cause of the mutation in the growth factor receptor has been found. Although used by those without achondroplasia to aid in growth,
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Braund KG, Ghosh P, Taylor TK, Larsen LH (September 1975). "Morphological studies of the canine intervertebral disc. The assignment of the beagle to the achondroplastic classification".
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in 2013 indicated that in humans this defect may be exclusively inherited from the father and becomes increasingly probable with paternal age, specifically males reproducing after 35.
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Adults with achondroplasia often face issues with obesity and sleep apnea. It is also typical for adults to experience numbness or tingling in their legs because of nerve compression.
922: 641:. The occurrence rate of achondroplasia in the children of fathers over 50 years of age is 1 in 1,875, compared to 1 in 15,000 in the general population. Research by 452:
Short fingers and toes, with "trident hands" (short hands with stubby fingers, and a separation between the middle and ring fingers – reminiscent of a trident on fetal ultrasound )
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White KK, Bompadre V, Goldberg MJ, Bober MB, Campbell JW, Cho TJ, Hoover-Fong J, Mackenzie W, Parnell SE, Raggio C, Rapoport DM, Spencer SA, Savarirayan R (1 January 2016).
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features are not classic, a search for a different diagnosis should be entertained. Because of the extremely deformed bone structure, people with achondroplasia are often "
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Savarirayan R, Rossiter JP, Hoover-Fong JE, Irving M, Bompadre V, Goldberg MJ, Bober MB, Cho TJ, Kamps SE, Mackenzie WG, Raggio C, Spencer SS, White KK (1 December 2018).
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breeds. Data from whole genome association studies in short-limbed dogs reveal a strong association of this trait with a retro-gene coding for fibroblast growth factor 4 (
857:, The Little People of America (LPA) is a national organization that provides support, resources, and advocacy for individuals with dwarfism, including achondroplasia. 4318: 721:, and relatively small skull base. The vertebral bodies are short and flattened with relatively large intervertebral disk height, and there is congenitally narrowed 1958:
narrowing interpedicular distances in the lumbar vertebral spine progressing from L1 to L5) features enables accurate diagnosis in most people with achondroplasia.
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Aviezer D, Golembo M, Yayon A (30 June 2003). "Fibroblast Growth Factor Receptor-3 as a Therapeutic Target for Achondroplasia - Genetic Short Limbed Dwarfism".
1426: 4535: 393:), approved to improve growth velocity in children with achondroplasia based on results in Phase 3 human trials, although its long-term effects are unknown. 3065:
Nielsen VH, Bendixen C, Arnbjerg J, et al. (December 2000). "Abnormal growth plate function in pigs carrying a dominant mutation in type X collagen".
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Gollust SE, Thompson RE, Gooding HC, Biesecker BB (2003). "Living with achondroplasia in an average-sized world: An assessment of quality of life".
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is used to improve growth velocity in children with achondroplasia, although its long-term effects are unknown. Vosoritide inhibits the activity of
4174: 3819: 33: 3878: 3342: 725:. The iliac wings are small and squared, with a narrow sciatic notch and horizontal acetabular roof. The tubular bones are short and thick with 3146: 804:
the spinal disorders, foramen magnum stenosis, craniofacial implications, pregnancy, and peri-operative needs of people with achondroplasia.
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Based on their disproportionate dwarfism, some dog breeds traditionally have been classified as "achondroplastic". This is the case for the
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these communities can serve as a resource for information and support for both individuals with achondroplasia and their families. In the
4616: 4335: 3812: 696:, although signs are often subtle and not apparent before the 24th week of pregnancy. A DNA test can be performed before birth to detect 4331: 3903: 2393:"International Consensus Statement on the diagnosis, multidisciplinary management and lifelong care of individuals with achondroplasia" 2340:"International Consensus Statement on the diagnosis, multidisciplinary management and lifelong care of individuals with achondroplasia" 2072:"International Consensus Statement on the diagnosis, multidisciplinary management and lifelong care of individuals with achondroplasia" 1919:"International Consensus Statement on the diagnosis, multidisciplinary management and lifelong care of individuals with achondroplasia" 1867:"International Consensus Statement on the diagnosis, multidisciplinary management and lifelong care of individuals with achondroplasia" 1109:
Pauli RM, Adam MP, Ardinger HH, Pagon RA, Wallace SE, Bean L, Mefford HC, Stephens K, Amemiya A, Ledbetter N (2012). "Achondroplasia".
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Spinal thoracolumbar kyphosis (gibbus) in infants with achondroplasia is common but should resolve when the child begins to mobilize.
2848:"Psychosocial profiles of children with achondroplasia in terms of their short stature-related stress: A nationwide survey in Japan" 619:
achondroplasia, 25% chance the child will not, and a 25% chance that the child will inherit the gene from both parents resulting in
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Studies have demonstrated that new gene mutations for achondroplasia are exclusively inherited from the father and occur during
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from breathing difficulties. The condition is generally diagnosed based on the clinical features but may be confirmed by
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Ultrasound findings of achondroplasia are generally not apparent until 24 weeks of gestation and are often quite subtle.
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One therapy offered to ACH patients is treatment with recombinant human growth (r-hGH) (approved today only in Japan).
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treatment. As of December 2020, the treatment of achondroplasia with human growth hormone was approved only in Japan.
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length and biparietal diameter by age. The trident hand configuration can be seen if the fingers are fully extended.
3756: 4408: 4396: 358:. Achondroplasia results in impaired endochondral bone growth (bone growth within cartilage). The disorder has an 4595: 4525: 4278: 3891: 307:. It is the most common cause of dwarfism and affects about 1 in 27,500 people. In those with the condition, the 3108:
Gidney L (May–June 1019). "Earliest Archaeological Evidence of the Ancon Mutation in Sheep from Leicester, UK".
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Wyrobek AJ, Eskenazi B, Young S, Arnheim N, Tiemann-Boege I, Jabs EW, Glaser RL, Pearson FS, Evenson D (2006).
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Jones, T.C., Hunt, R.D. (1979). "The musculoskeletal system". In Jones, T.C., Hunt, R.D., Smith, H.A. (eds.).
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A skeletal survey is useful to confirm the diagnosis of achondroplasia. The skull is large, with a narrow
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gene being sufficient to cause achondroplasia, while two copies of the mutant gene are invariably fatal (
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is commonly performed to treat this condition, but an endoscopic third ventriculostomy can also be done.
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Adam MP, Feldman J, Mirzaa GM, Pagon RA, Wallace SE, Bean LJH, Gripp KW, Amemiya A, Legare JM (1993).
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EL-Sobky TA, Shawky RM, Sakr HM, Elsayed SM, Elsayed NS, Ragheb SG, Gamal R (15 November 2017).
4641: 4053: 4047: 3887: 3683: 3604: 2897: 746: 394: 279: 248: 3275: 901:, encoded by the COL10A1 gene. In humans a similar mutation (G595E) has been associated with 4514: 3907: 3835: 3733: 3521: 3399: 3359: 3351: 1839: 410: 971: 374:. In families with two affected parents, children who inherit both affected genes typically 3935: 3866: 2986: 2949: 2943: 2631: 1743: 1136: 812:
Achondroplasia is one of several congenital conditions with similar presentations, such as
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The Male Biological Clock: The Startling News About Aging, Sexuality, and Fertility in Men
8: 4249: 4245: 3926: 3772: 3703: 3550: 3488: 3213: 1401:"Achondroplasia | Genetic and Rare Diseases Information Center (GARD) – an NCATS Program" 498: 2990: 1747: 612: 185: 4223: 3690: 3090: 3007: 2974: 2787: 2739: 2714: 2677: 2565: 2530: 2505: 2470: 2422: 2369: 2320: 2232: 2101: 2026: 1948: 1896: 1815: 1790: 1766: 1729: 1672:
Richette P, Bardin T, Stheneur C (2007). "Achondroplasia: From genotype to phenotype".
1654: 1503: 1332: 1221: 1194: 1172: 1078: 638: 366:, or sporadic) mutation, which most commonly originates as a spontaneous change during 359: 208: 166: 3218: 3043: 2715:"Birth prevalence of achondroplasia: A systematic literature review and meta-analysis" 1634: 1320: 1066: 679: 4631: 4264: 4137: 4113: 4093: 4089: 3804: 3646: 3592: 3246: 3165: 3125: 3082: 3047: 3012: 2953: 2916: 2867: 2828: 2818: 2779: 2744: 2669: 2661: 2611: 2570: 2552: 2531:"Best practice guidelines in managing the craniofacial aspects of skeletal dysplasia" 2510: 2492: 2426: 2414: 2373: 2361: 2312: 2276: 2236: 2224: 2183: 2148: 2105: 2093: 1978: 1952: 1940: 1900: 1888: 1845: 1820: 1771: 1689: 1658: 1646: 1638: 1548: 1507: 1495: 1336: 1324: 1279: 1226: 1164: 1156: 1114: 1082: 1070: 700:, wherein two copies of the mutant gene are inherited, a lethal condition leading to 653: 253: 234: 154: 2791: 2681: 2324: 2030: 1176: 741:, and a trident configuration. The ribs are short with cupped anterior ends. If the 323:
and underdevelopment of the midface (midface hypoplasia). Complications can include
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Mother and child with achondroplasia with unaffected father, showing inheritance
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Kovac JR, Addai J, Smith RP, Coward RM, Lamb DJ, Lipshultz LI (November 2013).
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Proceedings of the National Academy of Sciences of the United States of America
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role in promoting psychological well-being among children with achondroplasia.
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Treatments include small molecule therapy with a C-natriuretic peptide analog (
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Introducing parents to advocacy and support groups has been proven beneficial.
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There are two other syndromes with a genetic basis similar to achondroplasia:
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teeth. These issues can be treated with surgery, braces, or physical therapy.
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Some research has found that adults with achondroplasia may also experience
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with an autosomal dominant pattern of inheritance whose primary feature is
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Genetic and Rare Diseases Information Center (GARD) – an NCATS Program
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Foreman PK, Kessel F, Hoorn R, Bosch J, Shediac R, Landis S (2020).
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Constantinides C, Landis SH, Jarrett J, Quinn J, Ireland PJ (2021).
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may also be used. Efforts to treat or prevent complications such as
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short-limb skeletal dysplasia with severe combined immunodeficiency
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short-limb skeletal dysplasia with severe combined immunodeficiency
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Legare JM (1993), Adam MP, Feldman J, Mirzaa GM, Pagon RA (eds.),
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List of radiographic findings associated with cutaneous conditions
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Another common characteristic of the syndrome is thoracolumbar
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Parker HG, VonHoldt BM, Quignon P, et al. (August 2009).
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Little People of America. (n.d.). About LPA. Retrieved from
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Horton WA, Hall JG, Hecht JT (July 2007). "Achondroplasia".
422: 4542: 4466: 4442: 4072: 4027: 3482: 1972: 1727: 890: 347: 138: 132: 123: 108: 102: 99: 93: 81: 60: 44:, an American actor and stunt performer with achondroplasia 2628: 2293: 2037: 1134: 69: 2939:"Inheritance of specific skeletal and structural defects" 2805:
Ancona L (1988). "The Psychodynamics of Achondroplasia".
2002: 1130: 1128: 2200: 3064: 3029: 2809:. Basic Life Sciences. Vol. 48. pp. 447–451. 2712: 1448:"Hydrocephalus – Diagnosis and treatment – Mayo Clinic" 1427:"Achondroplasia | Johns Hopkins Pediatric Neurosurgery" 3834: 3160:. In Pagon RA, Bird TD, Dolan CR, et al. (eds.). 1968: 1966: 1671: 1542: 1125: 1108: 552:
complications, usually associated with short stature.
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Short arms and legs, enlarged head, prominent forehead
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Junctional epidermolysis bullosa with pyloric atresia
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Vajo Z, Francomano CA, Wilkin DJ (1 February 2000).
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overgrowth is present. The hand is broad with short
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compression increases the risk of death in infancy.
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Genetic condition, the most common form of dwarfism
2937: 421:support people with achondroplasia, including the 3724:Autosomal recessive multiple epiphyseal dysplasia 3164:. Seattle WA: University of Washington, Seattle. 1195:"Achondroplasia: A comprehensive clinical review" 729:cupping and flaring and irregular growth plates. 4608: 4175:Congenital insensitivity to pain with anhidrosis 1571:National Human Genome Research Institute (NHGRI) 2845: 1616: 1052: 689:Achondroplasia can be detected before birth by 645:Harry Fisch of the Male Reproductive Center at 1998: 1996: 1994: 1977:(1st ed.). Knutsford, Cheshire: PasTest. 338:Achondroplasia is caused by a mutation in the 3820: 3336: 2948:. Great Britain: Howell Book House. pp.  2594:American Journal of Obstetrics and Gynecology 2194: 2120: 2118: 1975:Essential questions in paediatrics for MRCPCH 753:by progressive discordance between the short 331:. Achondroplasia includes the extremely rare 3920:Gonadotropin-releasing hormone insensitivity 2287: 1973:Beattie, R.M., Champion, M.P., eds. (2004). 1782: 1721: 1665: 1048: 1046: 1044: 1042: 4336:Congenital amegakaryocytic thrombocytopenia 2935: 2719:American Journal of Medical Genetics Part A 2636:American Journal of Medical Genetics Part A 2252: 1991: 1837: 1141:American Journal of Medical Genetics Part A 461:Small midface with a flattened nasal bridge 4421:Autoimmune lymphoproliferative syndrome 1A 3904:Follicle-stimulating hormone insensitivity 3827: 3813: 3350: 3343: 3329: 2115: 1617:Horton WA, Hall JG, Hecht JT (July 2007). 1015: 1013: 1011: 1009: 1007: 580:Achondroplasia is caused by a mutation in 4585:X-linked severe combined immunodeficiency 4361:TNF receptor associated periodic syndrome 3110:International Journal of Osteoarchaeology 3006: 2738: 2655: 2605: 2564: 2546: 2504: 2486: 2408: 2355: 2270: 2218: 2142: 2087: 2020: 1934: 1882: 1831: 1814: 1765: 1755: 1489: 1220: 1210: 1104: 1102: 1100: 1098: 1096: 1094: 1092: 1039: 1005: 1003: 1001: 999: 997: 995: 993: 991: 989: 987: 445:Shortening of the proximal limbs (called 3155: 864: 667: 571: 563: 4373:Selective immunoglobulin A deficiency 2 3964:Aspirin-exacerbated respiratory disease 2693: 2691: 2201:Legeai-Mallet L, Savarirayan R (2020). 4609: 4548:EDAR hypohidrotic ectodermal dysplasia 4476:Familial exudative vitreoretinopathy 4 4033:Familial exudative vitreoretinopathy 1 3428:Spondyloepiphyseal dysplasia congenita 3107: 3101: 2804: 2798: 1269: 1237: 1089: 984: 749:". The diagnosis can be made by fetal 712: 4240:Hereditary hemorrhagic telangiectasia 4216:Persistent Müllerian duct syndrome II 3987:Jansen's metaphyseal chondrodysplasia 3808: 3405:Jansen's metaphyseal chondrodysplasia 3324: 1590: 1547:. University of Washington, Seattle. 1301: 1299: 1192: 436: 4561:Nevoid basal-cell carcinoma syndrome 4010:Familial hypocalciuric hypercalcemia 3752:Rhizomelic chondrodysplasia punctata 2764:American Journal of Medical Genetics 2688: 1844:. Simon and Schuster. pp. 11–. 1520: 376:die before birth or in early infancy 321:prominent forehead (frontal bossing) 4324:Surfactant metabolism dysfunction 4 3438:Otospondylomegaepiphyseal dysplasia 3410:Schmid metaphyseal chondrodysplasia 2886:https://www.lpaonline.org/about-lpa 2878: 2698:Online Mendelian Inheritance in Man 2391:Savarirayan R, et al. (2021). 2338:Savarirayan R, et al. (2021). 2070:Savarirayan R, et al. (2021). 1917:Savarirayan R, et al. (2021). 1865:Savarirayan R, et al. (2021). 1424: 903:Schmid metaphyseal chondrodysplasia 582:fibroblast growth factor receptor 3 455:Large head with prominent forehead 340:fibroblast growth factor receptor 3 13: 4617:Cell surface receptor deficiencies 4573:BMPR1A juvenile polyposis syndrome 4494:LDLR Familial hypercholesterolemia 1296: 14: 4653: 3884:Luteinizing hormone insensitivity 3140: 2535:Orphanet Journal of Rare Diseases 2475:Orphanet Journal of Rare Diseases 1838:Harry Fisch (24 September 2013). 1199:Orphanet Journal of Rare Diseases 3952:Nephrogenic diabetes insipidus 1 3778:Short rib – polydactyly syndrome 836:Psychological and social aspects 512: 56: 32: 3892:Male-limited precocious puberty 3783:Majewski's polydactyly syndrome 3058: 3023: 2966: 2929: 2904: 2890: 2839: 2755: 2706: 2622: 2581: 2521: 2461: 2436: 2384: 2331: 2259:New England Journal of Medicine 2246: 2159: 2063: 1910: 1858: 1700: 1610: 1584: 1567:"Learning About Achondroplasia" 1559: 1536: 1514: 1465: 1440: 1418: 1393: 1368: 1343: 807: 4279:Leber's congenital amaurosis 1 4191:Gastrointestinal stromal tumor 2846:Nishimura N, Hanaki K (2014). 1263: 977:Merriam-Webster.com Dictionary 964: 935: 647:Columbia Presbyterian Hospital 568:Autosomal dominant inheritance 423:Little People of America (LPA) 1: 3557:Hereditary multiple exostoses 3501:Polyostotic fibrous dysplasia 3433:Multiple epiphyseal dysplasia 3044:10.1016/S0034-5288(18)33527-6 2253:Savarirayan R (4 July 2019). 1635:10.1016/s0140-6736(07)61090-3 1491:10.1080/09638288.2021.1963853 1478:Disability and Rehabilitation 1321:10.1016/S0140-6736(20)31541-5 1067:10.1016/S0140-6736(07)61090-3 928: 818:multiple epiphyseal dysplasia 3790:Léri–Weill dyschondrosteosis 2815:10.1007/978-1-4684-8712-1_56 2702:ACHONDROPLASIA; ACH - 100800 2397:Nature Reviews Endocrinology 2344:Nature Reviews Endocrinology 2309:10.1097/BPO.0b013e318093f523 2076:Nature Reviews Endocrinology 1923:Nature Reviews Endocrinology 1871:Nature Reviews Endocrinology 1686:10.1016/j.jbspin.2007.06.007 767: 663: 282:, treatment of complications 7: 3872:Congenital hypothyroidism 1 2852:Journal of Clinical Nursing 916: 626:and leading to lethal bone 517: 10: 4658: 4627:Connective tissue diseases 4531:Glanzmann's thrombasthenia 4511:Immunoglobulin superfamily 4163:Rabson–Mendenhall syndrome 3845:G protein-coupled receptor 3757:Conradi–Hünermann syndrome 3382:Camurati–Engelmann disease 2607:10.1016/j.ajog.2018.07.017 2548:10.1186/s13023-021-01678-8 2488:10.1186/s13023-020-01415-7 2410:10.1038/s41574-021-00595-x 2357:10.1038/s41574-021-00595-x 2220:10.1016/j.bone.2020.115579 2089:10.1038/s41574-021-00595-x 1936:10.1038/s41574-021-00595-x 1884:10.1038/s41574-021-00595-x 1795:Asian Journal of Andrology 860: 603:, with one variant of the 524:Achondroplasia in children 521: 4503: 4430: 4385:Hyper-IgM syndrome type 3 4345: 4292: 4263: 4200: 4062: 4046: 4019: 3996: 3973: 3858: 3843: 3765: 3744:Chondrodysplasia punctata 3742: 3729:Atelosteogenesis, type II 3699: 3666: 3631: 3612: 3603: 3567: 3540: 3520: 3474: 3446: 3418: 3390: 3372: 3358: 3261: 3180: 1405:rarediseases.info.nih.gov 1212:10.1186/s13023-018-0972-6 899:collagen, type X, alpha 1 559: 540: 442:Disproportionate dwarfism 286: 271: 262:cartilage-hair hypoplasia 247: 233: 221: 203: 175: 165: 153: 48: 40: 31: 26: 4460:Cenani–Lenz syndactylism 4302:Type I cytokine receptor 3940:Hirschsprung's disease 2 3506:McCune–Albright syndrome 3287:article/1258401-overview 2942:. In Willis M.B. (ed.). 2180:10.2174/1389450033490993 2009:J Musculoskelet Surg Res 897:mutation of the protein 599:mutation. The effect is 482:(knock knee) deformities 4142:Thanatophoric dysplasia 3936:Waardenburg syndrome 4a 3654:Thanatophoric dysplasia 2999:10.1126/science.1173275 2045:"Achondroplasia Pelvis" 2022:10.4103/jmsr.jmsr_28_17 1757:10.1073/pnas.0506468103 1597:Genetics Home Reference 1025:Genetics Home Reference 954:Oxford University Press 830:thanatophoric dysplasia 814:osteogenesis imperfecta 658:thanatophoric dysplasia 591:In normal development, 407:obstructive sleep apnea 309:arms and legs are short 258:thanatophoric dysplasia 4596:cell surface receptors 4448:Donnai–Barrow syndrome 4122:Jackson–Weiss syndrome 4110:Antley–Bixler syndrome 4094:KAL2 Kallmann syndrome 4048:Enzyme-linked receptor 3888:Leydig cell hypoplasia 3623:Antley–Bixler syndrome 3605:Growth factor receptor 3352:Osteochondrodysplasias 2144:10.1210/edrv.21.1.0387 870: 780:A small-molecule drug 686: 577: 569: 468:(convex curvature) or 395:Growth hormone therapy 280:growth hormone therapy 249:Differential diagnosis 3908:XX gonadal dysgenesis 3836:Cell surface receptor 3734:Diastrophic dysplasia 3400:Metaphyseal dysplasia 3079:10.1007/s003350010212 2448:Beyond Achondroplasia 2272:10.1056/NEJMoa1813446 950:UK English Dictionary 868: 671: 575: 567: 411:middle ear infections 42:Jason "Wee Man" Acuña 4622:Congenital disorders 4254:Loeys–Dietz syndrome 2936:Willis M.B. (1989). 2913:Veterinary Pathology 2858:(21–22): 3045–3056. 2807:Human Achondroplasia 2776:10.1002/ajmg.a.20127 2731:10.1002/ajmg.a.61787 2648:10.1002/ajmg.a.38357 2168:Current Drug Targets 1153:10.1002/ajmg.a.37394 960:on 11 December 2019. 774:human growth hormone 613:spontaneous mutation 601:genetically dominant 350:that results in its 266:pseudoachondroplasia 3773:Fibrochondrogenesis 3551:osteochondromatosis 3489:Boomerang dysplasia 2991:2009Sci...325..995P 2945:Genetics of the Dog 1807:10.1038/aja.2013.92 1748:2006PNAS..103.9601W 713:Radiologic findings 472:(concave curvature) 239:Based on symptoms, 4224:TGF beta receptors 3691:Hypochondrogenesis 3262:External resources 2864:10.1111/jocn.12531 2051:on 22 October 2007 1315:(10252): 684–692. 980:. Merriam-Webster. 871: 869:Munchkin dwarf cat 687: 639:ionizing radiation 578: 570: 493:blockages), sleep 437:Signs and symptoms 360:autosomal dominant 290:1 in 27,500 people 209:autosomal dominant 4604: 4603: 4288: 4287: 4138:Hypochondroplasia 4114:Pfeiffer syndrome 4090:Pfeiffer syndrome 4042: 4041: 3802: 3801: 3798: 3797: 3662: 3661: 3647:Hypochondroplasia 3593:Maffucci syndrome 3516: 3515: 3318: 3317: 3156:Pauli RM (1998). 2824:978-1-4684-8714-5 2725:(10): 2297–2316. 2642:(10): 2584–2595. 2131:Endocrine Reviews 1984:978-1-901198-99-7 1851:978-1-4767-4082-9 1742:(25): 9601–9606. 1629:(9582): 162–172. 1484:(21): 6166–6178. 1193:Pauli RM (2019). 1061:(9582): 162–172. 684:Infanta Margarita 654:hypochondroplasia 431:patient resources 417:may be required. 372:age of the father 294: 293: 254:Hypochondroplasia 235:Diagnostic method 21:Medical condition 4649: 4637:Growth disorders 4158:Donohue syndrome 4118:Crouzon syndrome 4078:Robinow syndrome 4060: 4059: 3856: 3855: 3829: 3822: 3815: 3806: 3805: 3704:sulfation defect 3671:collagen disease 3610: 3609: 3582:enchondromatosis 3538: 3537: 3527:chondrodystrophy 3522:Chondrodysplasia 3496:Opsismodysplasia 3370: 3369: 3345: 3338: 3331: 3322: 3321: 3178: 3177: 3173: 3158:"Achondroplasia" 3134: 3133: 3105: 3099: 3098: 3062: 3056: 3055: 3027: 3021: 3020: 3010: 2970: 2964: 2963: 2941: 2933: 2927: 2926: 2908: 2902: 2901: 2894: 2888: 2882: 2876: 2875: 2843: 2837: 2836: 2802: 2796: 2795: 2759: 2753: 2752: 2742: 2710: 2704: 2695: 2686: 2685: 2659: 2626: 2620: 2619: 2609: 2585: 2579: 2578: 2568: 2550: 2525: 2519: 2518: 2508: 2490: 2465: 2459: 2458: 2456: 2454: 2440: 2434: 2433: 2412: 2388: 2382: 2381: 2359: 2335: 2329: 2328: 2297:J Pediatr Orthop 2291: 2285: 2284: 2274: 2250: 2244: 2243: 2222: 2198: 2192: 2191: 2163: 2157: 2156: 2146: 2122: 2113: 2112: 2091: 2067: 2061: 2060: 2058: 2056: 2047:. Archived from 2041: 2035: 2034: 2024: 2000: 1989: 1988: 1970: 1961: 1960: 1938: 1914: 1908: 1907: 1886: 1862: 1856: 1855: 1835: 1829: 1828: 1818: 1786: 1780: 1779: 1769: 1759: 1725: 1719: 1718: 1716: 1714: 1708:"Achondroplasia" 1704: 1698: 1697: 1674:Joint Bone Spine 1669: 1663: 1662: 1619:"Achondroplasia" 1614: 1608: 1607: 1605: 1603: 1588: 1582: 1581: 1579: 1577: 1563: 1557: 1556: 1545:"Achondroplasia" 1540: 1534: 1533: 1531: 1529: 1518: 1512: 1511: 1493: 1469: 1463: 1462: 1460: 1458: 1444: 1438: 1437: 1435: 1433: 1422: 1416: 1415: 1413: 1411: 1397: 1391: 1390: 1388: 1386: 1372: 1366: 1365: 1363: 1361: 1347: 1341: 1340: 1303: 1294: 1293: 1292: 1290: 1272:"Achondroplasia" 1267: 1261: 1260: 1258: 1256: 1245:"Achondroplasia" 1241: 1235: 1234: 1224: 1214: 1190: 1181: 1180: 1132: 1123: 1122: 1106: 1087: 1086: 1050: 1037: 1036: 1034: 1032: 1021:"Achondroplasia" 1017: 982: 981: 972:"Achondroplasia" 968: 962: 961: 956:. Archived from 943:"Achondroplasia" 939: 913:sheep produced. 908:The now extinct 792:Limb-lengthening 609:recessive lethal 597:gain of function 533:irritability. A 427:Growing Stronger 301:genetic disorder 211:mutation in the 160:Medical genetics 145: 144: 141: 140: 135: 134: 129: 128: 125: 122: 119: 116: 111: 110: 105: 104: 101: 98: 95: 92: 89: 86: 83: 80: 77: 74: 71: 68: 65: 62: 36: 24: 23: 4657: 4656: 4652: 4651: 4650: 4648: 4647: 4646: 4607: 4606: 4605: 4600: 4504:Other/ungrouped 4499: 4480:Osteopetrosis 1 4426: 4341: 4284: 4259: 4196: 4146:Muenke syndrome 4052: 4050: 4038: 4015: 3992: 3969: 3847: 3839: 3833: 3803: 3794: 3761: 3738: 3712:Achondrogenesis 3695: 3679:Achondrogenesis 3658: 3627: 3599: 3563: 3529: 3525: 3512: 3475:Other/ungrouped 3470: 3461:Osteopoikilosis 3442: 3414: 3386: 3363: 3354: 3349: 3319: 3314: 3313: 3257: 3256: 3189: 3143: 3138: 3137: 3116:(27): 318–321. 3106: 3102: 3073:(12): 1087–92. 3063: 3059: 3028: 3024: 2985:(5943): 995–8. 2971: 2967: 2960: 2934: 2930: 2923: 2909: 2905: 2896: 2895: 2891: 2883: 2879: 2844: 2840: 2825: 2803: 2799: 2760: 2756: 2711: 2707: 2696: 2689: 2627: 2623: 2586: 2582: 2526: 2522: 2466: 2462: 2452: 2450: 2442: 2441: 2437: 2389: 2385: 2379:achondroplasia. 2336: 2332: 2292: 2288: 2251: 2247: 2199: 2195: 2164: 2160: 2123: 2116: 2068: 2064: 2054: 2052: 2043: 2042: 2038: 2001: 1992: 1985: 1971: 1964: 1915: 1911: 1863: 1859: 1852: 1836: 1832: 1787: 1783: 1726: 1722: 1712: 1710: 1706: 1705: 1701: 1670: 1666: 1615: 1611: 1601: 1599: 1589: 1585: 1575: 1573: 1565: 1564: 1560: 1541: 1537: 1527: 1525: 1519: 1515: 1470: 1466: 1456: 1454: 1446: 1445: 1441: 1431: 1429: 1423: 1419: 1409: 1407: 1399: 1398: 1394: 1384: 1382: 1374: 1373: 1369: 1359: 1357: 1349: 1348: 1344: 1304: 1297: 1288: 1286: 1268: 1264: 1254: 1252: 1243: 1242: 1238: 1191: 1184: 1133: 1126: 1107: 1090: 1051: 1040: 1030: 1028: 1019: 1018: 985: 970: 969: 965: 941: 940: 936: 931: 919: 863: 838: 822:achondrogenesis 810: 770: 715: 680:Diego Velázquez 666: 635:spermatogenesis 562: 543: 526: 520: 515: 491:Eustachian tube 457:frontal bossing 439: 415:spinal stenosis 380:genetic testing 368:spermatogenesis 241:genetic testing 194:spinal stenosis 149: 137: 131: 113: 107: 59: 55: 22: 17: 12: 11: 5: 4655: 4645: 4644: 4639: 4634: 4629: 4624: 4619: 4602: 4601: 4599: 4598: 4593: 4589: 4588: 4576: 4564: 4539: 4538: 4533: 4528: 4518: 4517: 4507: 4505: 4501: 4500: 4498: 4497: 4484: 4483: 4472:Worth syndrome 4463: 4451: 4434: 4432: 4431:Lipid receptor 4428: 4427: 4425: 4424: 4412: 4400: 4388: 4376: 4364: 4351: 4349: 4343: 4342: 4340: 4339: 4328: 4327: 4315: 4312:Laron syndrome 4298: 4296: 4290: 4289: 4286: 4285: 4283: 4282: 4269: 4267: 4261: 4260: 4258: 4257: 4243: 4220: 4219: 4206: 4204: 4198: 4197: 4195: 4194: 4187:KIT Piebaldism 4178: 4166: 4160: 4149: 4134:Achondroplasia 4125: 4106:Apert syndrome 4097: 4081: 4068: 4066: 4057: 4044: 4043: 4040: 4039: 4037: 4036: 4023: 4021: 4017: 4016: 4014: 4013: 4000: 3998: 3994: 3993: 3991: 3990: 3977: 3975: 3971: 3970: 3968: 3967: 3955: 3943: 3923: 3911: 3895: 3875: 3862: 3860: 3853: 3841: 3840: 3832: 3831: 3824: 3817: 3809: 3800: 3799: 3796: 3795: 3793: 3792: 3787: 3786: 3785: 3775: 3769: 3767: 3766:Other dwarfism 3763: 3762: 3760: 3759: 3754: 3748: 3746: 3740: 3739: 3737: 3736: 3731: 3726: 3721: 3720: 3719: 3708: 3706: 3697: 3696: 3694: 3693: 3688: 3687: 3686: 3675: 3673: 3664: 3663: 3660: 3659: 3657: 3656: 3651: 3650: 3649: 3642:Achondroplasia 3638: 3636: 3629: 3628: 3626: 3625: 3619: 3617: 3607: 3601: 3600: 3598: 3597: 3596: 3595: 3590: 3588:Ollier disease 3577: 3575: 3565: 3564: 3562: 3561: 3560: 3559: 3546: 3544: 3542:Osteochondroma 3535: 3518: 3517: 3514: 3513: 3511: 3510: 3509: 3508: 3498: 3493: 3492: 3491: 3478: 3476: 3472: 3471: 3469: 3468: 3463: 3458: 3456:Raine syndrome 3452: 3450: 3448:Osteosclerosis 3444: 3443: 3441: 3440: 3435: 3430: 3424: 3422: 3416: 3415: 3413: 3412: 3407: 3402: 3396: 3394: 3388: 3387: 3385: 3384: 3378: 3376: 3367: 3365:osteodystrophy 3360:Osteodysplasia 3356: 3355: 3348: 3347: 3340: 3333: 3325: 3316: 3315: 3312: 3311: 3300: 3298:Achondroplasia 3289: 3278: 3266: 3265: 3263: 3259: 3258: 3255: 3254: 3243: 3232: 3221: 3206: 3190: 3185: 3184: 3182: 3181:Classification 3175: 3174: 3153: 3147:Achondroplasia 3142: 3141:External links 3139: 3136: 3135: 3122:10.1002/oa.872 3100: 3057: 3022: 2965: 2959:978-0876055519 2958: 2928: 2922:978-0812107890 2921: 2903: 2889: 2877: 2838: 2823: 2797: 2770:(4): 447–458. 2754: 2705: 2687: 2621: 2600:(6): 545–562. 2580: 2520: 2460: 2444:"Associations" 2435: 2403:(3): 173–189. 2383: 2350:(3): 173–189. 2330: 2286: 2245: 2193: 2174:(5): 353–365. 2158: 2114: 2082:(3): 173–189. 2062: 2036: 1990: 1983: 1962: 1929:(3): 173–189. 1909: 1877:(3): 173–189. 1857: 1850: 1830: 1801:(6): 723–728. 1781: 1720: 1699: 1664: 1609: 1591:Reference GH. 1583: 1558: 1535: 1513: 1464: 1452:mayoclinic.org 1439: 1417: 1392: 1380:kidshealth.org 1367: 1351:"Trident hand" 1342: 1295: 1262: 1236: 1182: 1124: 1088: 1038: 983: 963: 933: 932: 930: 927: 926: 925: 918: 915: 862: 859: 837: 834: 809: 806: 769: 766: 747:double jointed 719:foramen magnum 714: 711: 665: 662: 561: 558: 542: 539: 522:Main article: 519: 516: 514: 511: 510: 509: 497:(which can be 487:ear infections 483: 473: 462: 459: 453: 450: 443: 438: 435: 419:Support groups 329:ear infections 297:Achondroplasia 292: 291: 288: 284: 283: 276:Support groups 273: 269: 268: 251: 245: 244: 237: 231: 230: 225: 219: 218: 205: 201: 200: 182:Ear infections 179: 173: 172: 169: 163: 162: 157: 151: 150: 148: 147: 52: 50: 46: 45: 38: 37: 29: 28: 27:Achondroplasia 20: 15: 9: 6: 4: 3: 2: 4654: 4643: 4642:Rare diseases 4640: 4638: 4635: 4633: 4630: 4628: 4625: 4623: 4620: 4618: 4615: 4614: 4612: 4597: 4594: 4591: 4590: 4586: 4582: 4581: 4577: 4574: 4570: 4569: 4565: 4562: 4558: 4557: 4553: 4552: 4551: 4549: 4545: 4544: 4537: 4534: 4532: 4529: 4527: 4523: 4520: 4519: 4516: 4512: 4509: 4508: 4506: 4502: 4495: 4491: 4490: 4486: 4485: 4481: 4477: 4473: 4469: 4468: 4464: 4461: 4457: 4456: 4452: 4449: 4445: 4444: 4439: 4436: 4435: 4433: 4429: 4422: 4418: 4417: 4413: 4410: 4406: 4405: 4401: 4398: 4394: 4393: 4389: 4386: 4382: 4381: 4377: 4374: 4370: 4369: 4365: 4362: 4358: 4357: 4353: 4352: 4350: 4348: 4344: 4337: 4333: 4330: 4329: 4325: 4321: 4320: 4316: 4313: 4309: 4308: 4303: 4300: 4299: 4297: 4295: 4291: 4280: 4276: 4275: 4271: 4270: 4268: 4266: 4262: 4255: 4251: 4247: 4244: 4241: 4237: 4233: 4229: 4225: 4222: 4221: 4217: 4213: 4212: 4208: 4207: 4205: 4203: 4199: 4192: 4188: 4184: 4183: 4179: 4176: 4172: 4171: 4167: 4164: 4161: 4159: 4155: 4154: 4150: 4147: 4143: 4139: 4135: 4131: 4130: 4126: 4123: 4119: 4115: 4111: 4107: 4103: 4102: 4098: 4095: 4091: 4087: 4086: 4082: 4079: 4075: 4074: 4070: 4069: 4067: 4065: 4061: 4058: 4055: 4054:growth factor 4049: 4045: 4034: 4030: 4029: 4025: 4024: 4022: 4018: 4011: 4007: 4006: 4002: 4001: 3999: 3995: 3988: 3984: 3983: 3979: 3978: 3976: 3972: 3965: 3961: 3960: 3956: 3953: 3949: 3948: 3944: 3941: 3937: 3933: 3932:ABCD syndrome 3929: 3928: 3924: 3921: 3917: 3916: 3912: 3909: 3905: 3901: 3900: 3896: 3893: 3889: 3885: 3881: 3880: 3876: 3873: 3869: 3868: 3864: 3863: 3861: 3857: 3854: 3851: 3846: 3842: 3837: 3830: 3825: 3823: 3818: 3816: 3811: 3810: 3807: 3791: 3788: 3784: 3781: 3780: 3779: 3776: 3774: 3771: 3770: 3768: 3764: 3758: 3755: 3753: 3750: 3749: 3747: 3745: 3741: 3735: 3732: 3730: 3727: 3725: 3722: 3718: 3715: 3714: 3713: 3710: 3709: 3707: 3705: 3702: 3698: 3692: 3689: 3685: 3682: 3681: 3680: 3677: 3676: 3674: 3672: 3669: 3665: 3655: 3652: 3648: 3645: 3644: 3643: 3640: 3639: 3637: 3634: 3630: 3624: 3621: 3620: 3618: 3615: 3611: 3608: 3606: 3602: 3594: 3591: 3589: 3586: 3585: 3584: 3583: 3579: 3578: 3576: 3574: 3570: 3566: 3558: 3555: 3554: 3553: 3552: 3548: 3547: 3545: 3543: 3539: 3536: 3533: 3528: 3523: 3519: 3507: 3504: 3503: 3502: 3499: 3497: 3494: 3490: 3487: 3486: 3485: 3484: 3480: 3479: 3477: 3473: 3467: 3466:Osteopetrosis 3464: 3462: 3459: 3457: 3454: 3453: 3451: 3449: 3445: 3439: 3436: 3434: 3431: 3429: 3426: 3425: 3423: 3421: 3417: 3411: 3408: 3406: 3403: 3401: 3398: 3397: 3395: 3393: 3389: 3383: 3380: 3379: 3377: 3375: 3371: 3368: 3366: 3361: 3357: 3353: 3346: 3341: 3339: 3334: 3332: 3327: 3326: 3323: 3310: 3306: 3305: 3301: 3299: 3295: 3294: 3290: 3288: 3284: 3283: 3279: 3277: 3273: 3272: 3268: 3267: 3264: 3260: 3253: 3249: 3248: 3244: 3242: 3238: 3237: 3233: 3231: 3227: 3226: 3222: 3220: 3216: 3215: 3211: 3207: 3205: 3201: 3200: 3196: 3192: 3191: 3188: 3183: 3179: 3171: 3167: 3163: 3159: 3154: 3152: 3148: 3145: 3144: 3131: 3127: 3123: 3119: 3115: 3111: 3104: 3096: 3092: 3088: 3084: 3080: 3076: 3072: 3068: 3061: 3053: 3049: 3045: 3041: 3038:(2): 167–72. 3037: 3033: 3032:Res. Vet. Sci 3026: 3018: 3014: 3009: 3004: 3000: 2996: 2992: 2988: 2984: 2980: 2976: 2969: 2961: 2955: 2951: 2947: 2946: 2940: 2932: 2924: 2918: 2914: 2907: 2899: 2893: 2887: 2881: 2873: 2869: 2865: 2861: 2857: 2853: 2849: 2842: 2834: 2830: 2826: 2820: 2816: 2812: 2808: 2801: 2793: 2789: 2785: 2781: 2777: 2773: 2769: 2765: 2758: 2750: 2746: 2741: 2736: 2732: 2728: 2724: 2720: 2716: 2709: 2703: 2699: 2694: 2692: 2683: 2679: 2675: 2671: 2667: 2663: 2658: 2653: 2649: 2645: 2641: 2637: 2633: 2625: 2617: 2613: 2608: 2603: 2599: 2595: 2591: 2584: 2576: 2572: 2567: 2562: 2558: 2554: 2549: 2544: 2540: 2536: 2532: 2524: 2516: 2512: 2507: 2502: 2498: 2494: 2489: 2484: 2480: 2476: 2472: 2464: 2449: 2445: 2439: 2432: 2428: 2424: 2420: 2416: 2411: 2406: 2402: 2398: 2394: 2387: 2380: 2375: 2371: 2367: 2363: 2358: 2353: 2349: 2345: 2341: 2334: 2326: 2322: 2318: 2314: 2310: 2306: 2303:(6): 629–34. 2302: 2298: 2290: 2282: 2278: 2273: 2268: 2264: 2260: 2256: 2249: 2242: 2238: 2234: 2230: 2226: 2221: 2216: 2212: 2208: 2204: 2197: 2189: 2185: 2181: 2177: 2173: 2169: 2162: 2154: 2150: 2145: 2140: 2136: 2132: 2128: 2121: 2119: 2111: 2107: 2103: 2099: 2095: 2090: 2085: 2081: 2077: 2073: 2066: 2050: 2046: 2040: 2032: 2028: 2023: 2018: 2014: 2010: 2006: 1999: 1997: 1995: 1986: 1980: 1976: 1969: 1967: 1959: 1954: 1950: 1946: 1942: 1937: 1932: 1928: 1924: 1920: 1913: 1906: 1902: 1898: 1894: 1890: 1885: 1880: 1876: 1872: 1868: 1861: 1853: 1847: 1843: 1842: 1834: 1826: 1822: 1817: 1812: 1808: 1804: 1800: 1796: 1792: 1785: 1777: 1773: 1768: 1763: 1758: 1753: 1749: 1745: 1741: 1737: 1736: 1731: 1724: 1709: 1703: 1695: 1691: 1687: 1683: 1680:(2): 125–30. 1679: 1675: 1668: 1660: 1656: 1652: 1648: 1644: 1640: 1636: 1632: 1628: 1624: 1620: 1613: 1598: 1594: 1587: 1572: 1568: 1562: 1554: 1550: 1546: 1539: 1524: 1521:Services Do. 1517: 1509: 1505: 1501: 1497: 1492: 1487: 1483: 1479: 1475: 1468: 1453: 1449: 1443: 1428: 1421: 1406: 1402: 1396: 1381: 1377: 1371: 1356: 1352: 1346: 1338: 1334: 1330: 1326: 1322: 1318: 1314: 1310: 1302: 1300: 1285: 1281: 1277: 1273: 1266: 1250: 1246: 1240: 1232: 1228: 1223: 1218: 1213: 1208: 1204: 1200: 1196: 1189: 1187: 1178: 1174: 1170: 1166: 1162: 1158: 1154: 1150: 1146: 1142: 1138: 1131: 1129: 1120: 1116: 1112: 1105: 1103: 1101: 1099: 1097: 1095: 1093: 1084: 1080: 1076: 1072: 1068: 1064: 1060: 1056: 1049: 1047: 1045: 1043: 1026: 1022: 1016: 1014: 1012: 1010: 1008: 1006: 1004: 1002: 1000: 998: 996: 994: 992: 990: 988: 979: 978: 973: 967: 959: 955: 951: 949: 944: 938: 934: 924: 921: 920: 914: 911: 906: 904: 900: 894: 892: 888: 884: 880: 876: 867: 858: 856: 855:United States 850: 846: 842: 833: 831: 827: 826:osteopetrosis 823: 819: 815: 805: 802: 796: 793: 789: 787: 783: 778: 775: 765: 763: 758: 756: 752: 748: 744: 740: 736: 732: 728: 724: 720: 710: 707: 706:thoracolumbar 703: 699: 695: 692: 685: 681: 677: 676: 670: 661: 659: 655: 650: 648: 644: 640: 636: 631: 629: 625: 624: 616: 614: 610: 606: 602: 598: 594: 589: 587: 583: 574: 566: 557: 553: 551: 546: 538: 536: 535:shunt surgery 530: 525: 513:Complications 508: 507:hydrocephalus 504: 500: 496: 492: 488: 484: 481: 477: 474: 471: 467: 463: 460: 458: 454: 451: 448: 444: 441: 440: 434: 432: 428: 424: 420: 416: 412: 408: 404: 403:hydrocephalus 400: 396: 392: 387: 385: 381: 377: 373: 369: 365: 361: 357: 353: 349: 345: 341: 336: 334: 330: 327:or recurrent 326: 322: 318: 317:enlarged head 314: 310: 306: 302: 298: 289: 285: 281: 277: 274: 270: 267: 263: 259: 255: 252: 250: 246: 242: 238: 236: 232: 229: 226: 224: 220: 216: 215: 210: 206: 202: 199: 198:hydrocephalus 195: 191: 187: 186:hyperlordosis 183: 180: 178: 177:Complications 174: 170: 168: 164: 161: 158: 156: 152: 143: 54: 53: 51: 49:Pronunciation 47: 43: 39: 35: 30: 25: 19: 4578: 4566: 4554: 4541: 4540: 4487: 4465: 4453: 4441: 4414: 4402: 4390: 4378: 4366: 4354: 4347:TNF receptor 4317: 4305: 4272: 4209: 4180: 4168: 4151: 4133: 4127: 4099: 4083: 4071: 4026: 4003: 3980: 3957: 3945: 3925: 3913: 3897: 3877: 3865: 3838:deficiencies 3641: 3580: 3549: 3481: 3302: 3291: 3280: 3269: 3245: 3234: 3223: 3208: 3193: 3161: 3113: 3109: 3103: 3070: 3067:Mamm. Genome 3066: 3060: 3035: 3031: 3025: 2982: 2978: 2968: 2944: 2931: 2912: 2906: 2892: 2880: 2855: 2851: 2841: 2806: 2800: 2767: 2763: 2757: 2722: 2718: 2708: 2657:11343/293252 2639: 2635: 2624: 2597: 2593: 2583: 2538: 2534: 2523: 2478: 2474: 2463: 2451:. Retrieved 2447: 2438: 2430: 2400: 2396: 2386: 2377: 2347: 2343: 2333: 2300: 2296: 2289: 2265:(1): 25–35. 2262: 2258: 2248: 2240: 2210: 2206: 2196: 2171: 2167: 2161: 2137:(1): 23–39. 2134: 2130: 2109: 2079: 2075: 2065: 2053:. Retrieved 2049:the original 2039: 2012: 2008: 1974: 1956: 1926: 1922: 1912: 1904: 1874: 1870: 1860: 1840: 1833: 1798: 1794: 1784: 1739: 1733: 1723: 1713:26 September 1711:. Retrieved 1702: 1677: 1673: 1667: 1626: 1622: 1612: 1602:26 September 1600:. Retrieved 1596: 1593:"FGFR3 gene" 1586: 1576:26 September 1574:. Retrieved 1570: 1561: 1538: 1528:26 September 1526:. Retrieved 1516: 1481: 1477: 1467: 1457:26 September 1455:. Retrieved 1451: 1442: 1432:26 September 1430:. Retrieved 1420: 1410:26 September 1408:. 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Retrieved 1024: 975: 966: 958:the original 946: 937: 907: 895: 879:basset hound 872: 851: 847: 843: 839: 811: 808:Epidemiology 797: 790: 785: 779: 771: 764:in infancy. 759: 743:radiographic 723:spinal canal 716: 698:homozygosity 688: 673: 651: 632: 620: 617: 604: 592: 590: 585: 579: 554: 550:psychosocial 547: 544: 531: 527: 478:(bowleg) or 388: 363: 343: 337: 311:, while the 296: 295: 243:if uncertain 228:Paternal age 223:Risk factors 212: 18: 3848:(including 3573:enchondroma 3530:(including 3271:MedlinePlus 3162:GeneReviews 2055:28 November 1425:Kieffer S. 1355:Radiopaedia 1289:15 December 1255:12 December 1111:GeneReviews 1031:12 December 910:Ancon sheep 735:metacarpals 727:metaphyseal 702:stillbirths 675:Las Meninas 503:obstructive 449:shortening) 325:sleep apnea 4611:Categories 4051:(including 3392:Metaphysis 3293:Patient UK 3247:DiseasesDB 3172:. NBK1152. 2481:(1): 161. 2213:: 115579. 1623:The Lancet 1523:"Dwarfism" 1376:"Dwarfism" 1309:The Lancet 1055:The Lancet 1027:. May 2012 929:References 782:vosoritide 751:ultrasound 694:ultrasound 672:Detail of 447:rhizomelic 391:vosoritide 356:overactive 4404:TNFRSF13B 4392:TNFRSF13C 4368:TNFRSF13B 3569:Chondroma 3420:Epiphysis 3374:Diaphysis 3282:eMedicine 3130:1099-1212 2666:1552-4825 2557:1750-1172 2541:(1): 31. 2497:1750-1172 2453:2 January 2427:244638495 2374:244638495 2237:221133224 2106:244638495 2015:(2): 25. 1953:244638495 1901:244638495 1659:208788746 1643:0140-6736 1508:237198129 1337:221472752 1161:1552-4825 1083:208788746 875:dachshund 801:Resources 768:Treatment 739:phalanges 664:Diagnosis 643:urologist 628:dysplasia 623:dominance 485:Frequent 287:Frequency 272:Treatment 207:Genetic ( 190:back pain 155:Specialty 4632:Dwarfism 4592:See also 4522:Integrin 4356:TNFRSF1A 4294:JAK-STAT 4228:Endoglin 3532:dwarfism 3304:Orphanet 3170:20301331 3087:11130976 3017:19608863 2872:25453127 2792:38614817 2784:12884421 2749:32803853 2700:(OMIM): 2682:22251966 2674:28763154 2616:30048634 2575:33446226 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4246:TGFBR1 3959:PTGER2 3684:type 2 3668:COL2A1 3276:001577 3230:100800 3168:  3151:Curlie 3128:  3093:  3085:  3050:  3015:  3005:  2956:  2919:  2870:  2831:  2821:  2790:  2782:  2747:  2737:  2680:  2672:  2664:  2614:  2573:  2563:  2555:  2513:  2503:  2495:  2425:  2417:  2372:  2364:  2323:  2315:  2279:  2235:  2227:  2186:  2151:  2104:  2096:  2029:  1981:  1951:  1943:  1899:  1891:  1848:  1823:  1813:  1774:  1764:  1692:  1657:  1649:  1641:  1551:  1506:  1498:  1360:31 May 1335:  1327:  1282:  1251:. 2016 1229:  1219:  1175:  1167:  1159:  1117:  1081:  1073:  948:Lexico 828:, and 762:gibbus 560:Causes 541:Adults 480:valgus 354:being 204:Causes 146: 4580:IL2RG 4556:PTCH1 4409:CVID2 4397:CVID4 4236:SMAD4 4232:Alk-1 4211:AMHR2 4170:NTRK1 4129:FGFR3 4101:FGFR2 4085:FGFR1 3982:PTH1R 3947:AVPR2 3927:EDNRB 3915:GnRHR 3879:LHCGR 3633:FGFR3 3614:FGFR2 3219:756.4 3204:Q77.4 3091:S2CID 2788:S2CID 2678:S2CID 2423:S2CID 2370:S2CID 2321:S2CID 2233:S2CID 2102:S2CID 2027:S2CID 1949:S2CID 1897:S2CID 1655:S2CID 1504:S2CID 1333:S2CID 1173:S2CID 1079:S2CID 883:corgi 786:FGFR3 755:femur 605:FGFR3 593:FGFR3 586:FGFR3 495:apnea 476:Varus 344:FGFR3 319:with 313:torso 299:is a 217:gene) 214:FGFR3 4543:EDAR 4526:LAD1 4489:LDLR 4467:LRP5 4455:LRP4 4443:LRP2 4202:STPK 4153:INSR 4073:ROR2 4028:FZD4 4005:CASR 3899:FSHR 3867:TSHR 3483:FLNB 3236:MeSH 3225:OMIM 3214:9-CM 3166:PMID 3126:ISSN 3083:PMID 3048:PMID 3013:PMID 2954:ISBN 2917:ISBN 2868:PMID 2829:PMID 2819:ISBN 2780:PMID 2768:120A 2745:PMID 2670:PMID 2662:ISSN 2612:PMID 2571:PMID 2553:ISSN 2511:PMID 2493:ISSN 2455:2022 2415:PMID 2362:PMID 2313:PMID 2277:PMID 2225:PMID 2207:Bone 2184:PMID 2149:PMID 2094:PMID 2057:2007 1979:ISBN 1941:PMID 1889:PMID 1846:ISBN 1821:PMID 1772:PMID 1715:2018 1690:PMID 1647:PMID 1639:ISSN 1604:2018 1578:2018 1549:PMID 1530:2018 1496:PMID 1459:2018 1434:2018 1412:2018 1387:2018 1362:2022 1325:PMID 1291:2023 1280:PMID 1257:2017 1227:PMID 1165:PMID 1157:ISSN 1115:PMID 1071:PMID 1033:2017 891:FGF4 885:and 737:and 656:and 425:and 348:gene 4438:LRP 4332:MPL 4182:KIT 4064:RTK 3210:ICD 3195:ICD 3149:at 3118:doi 3075:doi 3040:doi 3003:PMC 2995:doi 2983:325 2860:doi 2811:doi 2772:doi 2735:PMC 2727:doi 2723:182 2652:hdl 2644:doi 2640:173 2602:doi 2598:219 2561:PMC 2543:doi 2501:PMC 2483:doi 2405:doi 2352:doi 2305:doi 2267:doi 2263:381 2215:doi 2211:141 2176:doi 2139:doi 2084:doi 2017:doi 1931:doi 1879:doi 1811:PMC 1803:doi 1762:PMC 1752:doi 1740:103 1682:doi 1631:doi 1627:370 1486:doi 1317:doi 1313:396 1217:PMC 1207:doi 1149:doi 1145:170 1063:doi 1059:370 678:by 501:or 413:or 112:-,- 4613:: 4550:) 4524:: 4513:: 4478:, 4474:, 4440:: 4307:GH 4304:: 4265:GC 4226:: 4189:, 4144:, 4140:, 4136:, 4120:, 4116:, 4112:, 4108:, 4092:, 3938:, 3934:, 3906:, 3890:, 3886:, 3309:15 3307:: 3296:: 3285:: 3274:: 3252:80 3250:: 3239:: 3228:: 3217:: 3202:: 3199:10 3124:. 3114:15 3112:. 3089:. 3081:. 3071:11 3069:. 3046:. 3036:19 3034:. 3011:. 3001:. 2993:. 2981:. 2977:. 2952:. 2866:. 2856:23 2854:. 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Index


Jason "Wee Man" Acuña
/ˌkɒndrəˈplziə,ə-,-ˈplʒ(i)ə/
Specialty
Medical genetics
Symptoms
Complications
Ear infections
hyperlordosis
back pain
spinal stenosis
hydrocephalus
autosomal dominant
FGFR3
Risk factors
Paternal age
Diagnostic method
genetic testing
Differential diagnosis
Hypochondroplasia
thanatophoric dysplasia
cartilage-hair hypoplasia
pseudoachondroplasia
Support groups
growth hormone therapy
genetic disorder
dwarfism
arms and legs are short
torso
enlarged head

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