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Eosinophilic granuloma

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36: 161: 152:. Corticosteroids also represent an option for pulmonary EG treatment. Operative treatment includes bone grafting and surgical fixation. In advanced stages of the disease, lung transplantation may be required. High-risk patients with multiple lesions (CNS-risk bones, lungs) may undergo chemotherapy. 106:
Lung EG is even less common. Its prevalence has not been published, however, lung EG was already diagnosed in approximately 5% of all lung biotic samples. Such condition may be asymptomatic, but also a non-productive cough, dyspnea, chest pain, fatigue, and spontaneous pneumothorax can occur. Higher
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The lesions mostly appear on the upper lip as ulcers, but they also develop on the gums and palate. Other locations like foot pads are not exceptional and are typical for developing plaques instead of ulcers. Such plaques may be itchy and swelling. In the case of oral ulceration, bleeding, pain and
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Clinically, single or multiple lesions are present mostly on the axial skeleton - on the skull, spine, ribs, pelvis and long bones. Specifically, thoracic spine and frontal bone within the skull are the most affected in children. On the other hand, cervical spine and jaw bone are the major spots of
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CEG usually manifests as a plaque on the palate, gums, lips or tongue. These are proliferative white or reddish lesions that may be painful and can be the cause of halitosis and hemorrhage that are often present. Loss of appetite is the most obvious symptom indicating the illness. The lesions may
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is extremely rare autoinflammatory state affecting primarily oral cavity and surrounding areas of transition between mucosa and hairy skin. However, there has also been described forms affecting lungs or digits. It may appear independently on the breed or age, although, particular breeds are more
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is relatively common condition, characterized by number of patterns affecting oral cavity, skin and mucocutaneous junctions of cats. EGC can be triggered by various stimuli, however, the feline allergic disease is the most relevant one. Among the others, insect bites (fleas), fungi infections and
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tumors that occurs mainly in children and adolescents. EG is a quite rare condition, and its incidence is higher in white than in black population, also slightly more affecting males than females. EG develops in 4-5 children (aged under 15) per million/year and in 1 or 2 adults per million/year.
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Although the etiology of the disease is not understood completely, it is believed that the most relevant triggers of the autoimmune reaction are various environmental stimuli, especially food allergens and insect bites. Thus, the treatment usually includes transition to hypoallergenic diet and
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The treatment of the EGC generally consists of hypoallergenic diet combined with insect bite prevention. Corticosteroids are administered either orally or by long-acting intralesional injections. Alternatively, cyclosporine provides similar effect. Commonly used drugs include:
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Single lesions spontaneously regress often, especially in children, thus are followed up in regular intervals. Patients with spinal lesions are immobilized to minimize the pain. More complicated cases with multiple lesions should be treated with
127:. Histopathological examination of the bioptic sample is focused on the presence of mononuclear LCs with prominent nuclear grooves (coffee bean shaped nuclei) with addition of eosinophils. Such examination also utilizes CD1 and 448:
Badalian-Very, Gayane; Vergilio, Jo-Anne; Degar, Barbara A.; MacConaill, Laura E.; Brandner, Barbara; Calicchio, Monica L.; Kuo, Frank C.; Ligon, Azra H.; Stevenson, Kristen E.; Kehoe, Sarah M.; Garraway, Levi A. (2010-09-16).
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EG lesions in adults. Symptoms of EG include stiffness, local pain, edema of surrounding tissues, posture change, and many others, depending on the affected bone.
348:). Remission of the lesions may occur in some cases, but in the others low doses of life-long immunosuppression may be necessary. Recent publications mention 193:
Three primary clinical lesions of EGC include indolent (also referred to as eosinophilic or rodent) ulcer, eosinophilic plaque and eosinophilic granuloma.
944:"Clinicopathological Features, Risk Factors and Predispositions, and Response to Treatment of Eosinophilic Oral Disease in 24 Dogs (2000-2016)" 1271: 1197: 17: 1366: 1187: 620:"Diagnosis of Langerhans cell histiocytosis on fine needle aspiration cytology: a case report and review of the cytology literature" 86:
signaling pathway due to mutation of signaling proteins. Particularly, it was published that about 50% of the EG cases had mutated
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The etiology of EG is not fully understood yet. However, the onset of abnormal LC proliferation may be triggered by viral stimuli (
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Tellado, Matías Nicolás; Michinski, Sebastián Diego; Olaiz, Nahuel; Maglietti, Felipe; Marshall, Guillermo (2014-10-16).
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Ma, Jennifer; Laird, James H.; Chau, Karen W.; Chelius, Monica R.; Lok, Benjamin H.; Yahalom, Joachim (January 2019).
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Mendelsohn, Danielle; Lewis, John R.; Scott, Kristin Iglesias; Brown, Dorothy C.; Reiter, Alexander M. (March 2019).
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Eosinophilic granuloma lesions in dogs primarily consists of eosinophils with addition of various cell subtypes such
563:"Langerhans cell histiocytosis in adults is associated with a high prevalence of hematologic and solid malignancies" 1290: 1246: 1169: 280: 187: 1231: 1144: 735: 124: 1340: 1182: 212: 1236: 1221: 1101: 1314: 1301: 51: 352:
as a novel therapeutical method of CEG providing selective disappearance of the granuloma mass.
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spontaneously appear and wane. Biopsy is usually required for confirmation of the diagnosis.
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may be used but due to side effects it's only recommended for severe and reoccurring cases.
131:(Langerin) staining. Electron microscopy examination of the sample is based on detection of 1284: 1174: 75: 508:"Langerhans cell histiocytosis: A neoplastic disorder driven by Ras-ERK pathway mutations" 8: 1309: 1213: 1090: 349: 71: 1095: 981: 914: 881: 805: 772: 711: 678: 654: 619: 595: 562: 543: 483: 450: 272: 236: 149: 1112: 1035: 985: 973: 965: 919: 901: 860: 810: 792: 743: 716: 698: 659: 641: 600: 582: 535: 527: 488: 470: 430: 422: 386: 252: 679:"Langerhans cell histiocytosis in adults: Advances in pathophysiology and treatment" 547: 1266: 1025: 1015: 955: 909: 893: 800: 784: 706: 690: 649: 631: 590: 574: 519: 478: 462: 132: 83: 411:"Solitary eosinophilic granuloma of the radius. An unusual differential diagnosis" 1106: 882:"Canine eosinophilic pulmonary granulomatosis: case report and literature review" 466: 268: 47: 35: 523: 409:
Chadha, Manish; Agarwal, Anil; Agarwal, Nidhi; Singh, Manoj Kumar (June 2007).
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Muse, Russell; Williamson, Nicola (2008-01-01), Morgan, Rhea V. (ed.),
337: 329: 299: 291: 287: 224: 216: 1058: 832:"Feline Eosinophilic Granuloma Complex In Cats | VCA Animal Hospitals" 694: 578: 283:. The disease also tends to appear mainly in dogs aged under 3 years. 135:, specific "tennis racquet" shaped inclusion within cytoplasm of LCs. 1004:"Canine Oral Eosinophilic Granuloma Treated with Electrochemotherapy" 303: 447: 128: 120: 1129: 1070: 773:"Novel presentation of eosinophilic granuloma complex in a cat" 91: 1001: 857:
Blackwell's Five-Minute Veterinary Consult Clinical Companion
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production. Another possible explanation may be a defect in
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Kumar, Neeta; Sayed, Shahin; Vinayak, Sudhir (2011-01-20).
451:"Recurrent BRAF mutations in Langerhans cell histiocytosis" 736:"CHAPTER 91 - Erosive and Ulcerative Diseases of the Skin" 941: 855:
Rhodes, Karen Helton; Werner, Alexander H. (2011-01-25).
408: 165: 58:. In humans, eosinophilic granulomas are considered as a 506:
Tran, Gary; Huynh, Thy N.; Paller, Amy S. (March 2018).
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Kobayashi, Masayuki; Tojo, Arinobu (December 2018).
880:Abbott, Dawn E. E.; Allen, Andrew L. (March 2020). 324:protection from ectoparasites. Medication includes 771:Hopke, Kaitlin P; Sargent, Sandra J (2019-12-16). 560: 148:, particularly with an intralesional injection of 107:risk of lung EG is being associated with smoking. 90:V600 E gene and about 21% displayed a mutation in 740:Handbook of Small Animal Practice (Fifth Edition) 617: 1353: 742:, Saint Louis: W.B. Saunders, pp. 885–900, 505: 385:, Treasure Island (FL): StatPearls Publishing, 74:), bacterial toxins or defective regulation of 886:Journal of Veterinary Diagnostic Investigation 733: 512:Journal of the American Academy of Dermatology 46:is characterized by abnormal proliferation of 1272:Hereditary progressive mucinous histiocytosis 1198:Congenital self-healing reticulohistiocytosis 1145: 676: 859:. Ames, Iowa: Wiley-Blackwell. p. 123. 854: 770: 766: 764: 879: 376: 1152: 1138: 1029: 1019: 959: 913: 804: 761: 710: 653: 635: 594: 482: 377:Jha, Suman K.; De Jesus, Orlando (2022), 159: 34: 336:) either alone, or in combination with 309: 196: 14: 1354: 1320:Interdigitating dendritic cell sarcoma 1133: 997: 995: 937: 935: 933: 826: 824: 97: 372: 370: 368: 366: 364: 179:eosinophilic granuloma complex (EGC) 1008:Case Reports in Veterinary Medicine 264:Canine eosinophilic granuloma (CEG) 24: 1281:Multicentric reticulohistiocytosis 1227:Hemophagocytic lymphohistiocytosis 992: 930: 821: 115:Diagnostic options of EG comprise 25: 1378: 1367:Eosinophilic cutaneous conditions 1325:Follicular dendritic cell sarcoma 1262:Progressive nodular histiocytosis 1252:Generalized eruptive histiocytoma 1209:non-Langerhans cell histiocytosis 1159: 361: 202:loss of appetite may be present. 1291:Indeterminate cell histiocytosis 624:Pathology Research International 155: 1188:Hand–SchĂĽller–Christian disease 948:Journal of Veterinary Dentistry 873: 848: 727: 670: 611: 554: 499: 441: 402: 318: 281:Cavalier King Charles spaniels 205: 13: 1: 1247:Benign cephalic histiocytosis 1170:Langerhans cell histiocytosis 355: 188:feline immunodeficiency virus 164:Lesion on the upper lip of a 18:Feline eosinophilic granuloma 467:10.1182/blood-2010-04-279083 258: 172: 138: 110: 44:Human eosinophilic granuloma 7: 267:prone to the disease, such 10: 1383: 524:10.1016/j.jaad.2017.09.022 1333: 1299: 1206: 1167: 1052: 415:Acta Orthopaedica Belgica 213:trimethoprim/sulfadiazine 30: 1222:Juvenile xanthogranuloma 961:10.1177/0898756419834785 898:10.1177/1040638720907659 789:10.1177/2055116919891548 379:"Eosinophilic Granuloma" 52:antigen-presenting cells 1315:Langerhans cell sarcoma 1302:malignant histiocytosis 1232:Erdheim-Chester disease 783:(2): 2055116919891548. 1242:Sea-blue histiocytosis 1193:Eosinophilic granuloma 190:) may be responsible. 169: 40: 1341:Rosai–Dorfman disease 1277:Reticulohistiocytosis 1257:Xanthoma disseminatum 1183:Letterer–Siwe disease 184:Feline leukemia virus 163: 38: 1285:Reticulohistiocytoma 1237:Niemann–Pick disease 1175:X-type histiocytosis 72:Human Herpes virus 6 1310:Histiocytic sarcoma 1214:Non-X histiocytosis 1021:10.1155/2014/519197 637:10.4061/2011/439518 350:electrochemotherapy 273:Labrador retrievers 326:immunosuppressives 310:Signs and symptoms 237:methylprednisolone 197:Signs and symptoms 170: 98:Signs and symptoms 41: 1349: 1348: 1127: 1126: 866:978-0-8138-1596-1 777:JFMS Open Reports 749:978-1-4160-3949-5 695:10.1111/cas.13817 689:(12): 3707–3713. 579:10.1002/cam4.1844 518:(3): 579–590.e4. 461:(11): 1919–1923. 306:and many others. 253:Megestrol acetate 150:methylprednisolon 39:Lesion on a nose. 27:Medical condition 16:(Redirected from 1374: 1267:Papular xanthoma 1154: 1147: 1140: 1131: 1130: 1050: 1049: 1044: 1043: 1033: 1023: 999: 990: 989: 963: 939: 928: 927: 917: 877: 871: 870: 852: 846: 845: 843: 842: 836:vcahospitals.com 828: 819: 818: 808: 768: 759: 758: 757: 756: 731: 725: 724: 714: 674: 668: 667: 657: 639: 615: 609: 608: 598: 558: 552: 551: 503: 497: 496: 486: 445: 439: 438: 406: 400: 399: 398: 397: 374: 340:or other drugs ( 269:German shepherds 133:Birbeck granules 48:Langerhans cells 21: 1382: 1381: 1377: 1376: 1375: 1373: 1372: 1371: 1352: 1351: 1350: 1345: 1329: 1295: 1212: 1202: 1173: 1163: 1158: 1128: 1123: 1122: 1061: 1047: 1000: 993: 940: 931: 878: 874: 867: 853: 849: 840: 838: 830: 829: 822: 769: 762: 754: 752: 750: 732: 728: 675: 671: 616: 612: 567:Cancer Medicine 559: 555: 504: 500: 446: 442: 407: 403: 395: 393: 375: 362: 358: 321: 312: 261: 208: 199: 175: 158: 146:corticosteroids 141: 113: 100: 56:dendritic cells 50:(LCs). LCs are 33: 28: 23: 22: 15: 12: 11: 5: 1380: 1370: 1369: 1364: 1347: 1346: 1344: 1343: 1337: 1335: 1331: 1330: 1328: 1327: 1322: 1317: 1312: 1306: 1304: 1297: 1296: 1294: 1293: 1288: 1274: 1269: 1264: 1259: 1254: 1249: 1244: 1239: 1234: 1229: 1224: 1218: 1216: 1204: 1203: 1201: 1200: 1195: 1190: 1185: 1179: 1177: 1165: 1164: 1157: 1156: 1149: 1142: 1134: 1125: 1124: 1121: 1120: 1109: 1098: 1083: 1062: 1057: 1056: 1054: 1053:Classification 1046: 1045: 991: 929: 892:(2): 329–335. 872: 865: 847: 820: 760: 748: 726: 683:Cancer Science 669: 610: 553: 498: 440: 421:(3): 413–417. 401: 359: 357: 354: 320: 317: 311: 308: 260: 257: 207: 204: 198: 195: 174: 171: 157: 154: 140: 137: 112: 109: 99: 96: 32: 29: 26: 9: 6: 4: 3: 2: 1379: 1368: 1365: 1363: 1360: 1359: 1357: 1342: 1339: 1338: 1336: 1332: 1326: 1323: 1321: 1318: 1316: 1313: 1311: 1308: 1307: 1305: 1303: 1298: 1292: 1289: 1286: 1282: 1278: 1275: 1273: 1270: 1268: 1265: 1263: 1260: 1258: 1255: 1253: 1250: 1248: 1245: 1243: 1240: 1238: 1235: 1233: 1230: 1228: 1225: 1223: 1220: 1219: 1217: 1215: 1210: 1205: 1199: 1196: 1194: 1191: 1189: 1186: 1184: 1181: 1180: 1178: 1176: 1171: 1166: 1162: 1161:Histiocytosis 1155: 1150: 1148: 1143: 1141: 1136: 1135: 1132: 1119: 1115: 1114: 1110: 1108: 1104: 1103: 1099: 1097: 1093: 1092: 1088: 1084: 1081: 1077: 1073: 1072: 1068: 1064: 1063: 1060: 1055: 1051: 1041: 1037: 1032: 1027: 1022: 1017: 1013: 1009: 1005: 998: 996: 987: 983: 979: 975: 971: 967: 962: 957: 953: 949: 945: 938: 936: 934: 925: 921: 916: 911: 907: 903: 899: 895: 891: 887: 883: 876: 868: 862: 858: 851: 837: 833: 827: 825: 816: 812: 807: 802: 798: 794: 790: 786: 782: 778: 774: 767: 765: 751: 745: 741: 737: 730: 722: 718: 713: 708: 704: 700: 696: 692: 688: 684: 680: 673: 665: 661: 656: 651: 647: 643: 638: 633: 629: 625: 621: 614: 606: 602: 597: 592: 588: 584: 580: 576: 572: 568: 564: 557: 549: 545: 541: 537: 533: 529: 525: 521: 517: 513: 509: 502: 494: 490: 485: 480: 476: 472: 468: 464: 460: 456: 452: 444: 436: 432: 428: 424: 420: 416: 412: 405: 392: 388: 384: 380: 373: 371: 369: 367: 365: 360: 353: 351: 347: 343: 339: 335: 331: 327: 316: 307: 305: 301: 297: 293: 289: 284: 282: 278: 274: 270: 265: 256: 254: 250: 246: 245:triamcinolone 242: 241:dexamethasone 238: 234: 230: 226: 222: 218: 214: 203: 194: 191: 189: 185: 180: 167: 162: 156:Cats and Dogs 153: 151: 147: 136: 134: 130: 126: 122: 118: 108: 104: 95: 93: 89: 85: 81: 77: 73: 69: 64: 61: 57: 54:derived from 53: 49: 45: 37: 19: 1362:Cat diseases 1192: 1111: 1100: 1085: 1065: 1011: 1007: 954:(1): 25–31. 951: 947: 889: 885: 875: 856: 850: 839:. 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Index

Feline eosinophilic granuloma

Langerhans cells
antigen-presenting cells
dendritic cells
benign
EBV
Human Herpes virus 6
IL-1
IL-10
Ras/MAPK
BRAF
MAP2K
X-ray
CT
MR
CD207
Birbeck granules
corticosteroids
methylprednisolon

cat
Feline leukemia virus
feline immunodeficiency virus
trimethoprim/sulfadiazine
cephalexin
amoxicillin
trihydrate
clavulanate
clindamycin

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