ESTUDO RETROSPECTIVO DAS NEOPLASIAS DIAGNOSTICADAS EM ANIMAIS SELVAGENS OU EXÓTICOS PELO SERVIÇO DE PATOLOGIA DO HOSPITAL VETERINÁRIO DA UNIVERSIDADE FEDERAL DO PARANÁ ENTRE 1974 E 1996
DOI:
https://doi.org/10.5380/avs.v3i1.3737Keywords:
Neoplasia, patologia veterinária, animais selvagens, animais silvestres. Neoplasia, animal pathology, wild animals, exotic animals.Abstract
Dentre 970 casos de neoplasias diagnosticados entre abril de l974 e março de l996 no Serviço de Patologia do Hospital Veterinário da Universidade Federal do Paraná, 28 casos (2,88%) ocorreram em animais selvagens ou exóticos. Dezoito desses animais eram mamíferos (seis hamsters, quatro camundongos, dois coelhos, uma cutia, uma cobaia, um macaco prego, um lobo guará, um puma e um leão) e 9 eram aves (dois canários belgas, dois papagaios, dois periquitos australianos, uma marreca irerê, um lóris negro e um sabiá laranjeira). Destes, 17 casos (60,7%) eram de neoplasias malignas, sendo seis linfossarcomas, três carcinomas espinocelulares, três carcinomas indiferenciados, um fibrossarcoma, um hemangiossarcoma, um sarcoma indiferenciado, um seminoma, um adenocarcinoma de glândula sebácea e um adenocarcinoma indeterminado. As neoplasias benignas somaram nove casos (32,1%), sendo dois hemangiomas, dois lipomas, dois fibromas, um adenoma hepatocelular, um papiloma e um tricoepitelioma. Além disso, registraram-se dois casos (7,0%) de carcinomas basocelulares, considerados mais como localmente agressivos do que como malignos.
Abstract
From 1974 to 1996, 28 cases of neoplasia were diagnosed in wild or exotic animals at the Service of Animal Pathology, Veterinary Hospital, Federal University of Paraná - Brazil, comprising 2.88% of all neoplasia diagnosed during that period. Eighteen cases (66.7%) occurred in mammals (six hamsters, four mice, two rabbits, one agouti, one guinea pig, one capuchin monkey, one manned wolf, one puma and one lion). Nine cases (33.3%) were diagnosed in birds (two domestic canaries, two amazon parrots, two budgerigars, one white-faced whistling-duck, one black lory and one rufous-bellied thrush). Seventeen cases (60.7%) were of malignant neoplasia: six lymphosarcomas, three epidermoid carcinomas, three undifferentiated carcinomas, one fibrosarcoma, one hemangiosarcoma, one undifferentiated sarcoma, one seminoma, one sebaceous gland adenocarcinoma, and one undetermined adenocarcinoma. Benign neoplasia totaled nine cases (32.1%): two hemangiomas, two lipomas, two fibromas, one hepatocelular adenoma, one papilloma and one trichoepithelioma. Additionally, two basal cell carcinomas were diagnosed. These were considered as locally aggressive, rather than malignant neoplasms.
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