Epidemiological aspects and anatomic distribuition of equine sarcoid in the state of Rio Grande do Sul, Brazil: 40 cases

Brum J.S., Souza T.M. & Barros C.S.L. 2010. [Epidemiological aspects and anatomic distribuition of equine sarcoid in the state of Rio Grande do Sul, Brazil: 40 cases.] Aspectos epidemiologicos e distribuicao anatomica das diferentes formas clinicas do sarcoide equino no Rio Grande do Sul: 40 casos. Pesquisa Veterinaria Brasileira 30(10): 839-843. Programa de Pos-Graduacao em Medicina Veterinaria, Centro de Ciencias Rurais, Universidade Federal de Santa Maria, Av. Roraima 1000, Camobi, Santa Maria, RS 97105-900, Brazil. E-mail: julianasbrum@yahoo.com.br The files of histopathological exams carried out by the Laboratorio de Patologia Veterinaria of the Universidade Federal de Santa Maria (LPV-UFSM), between January 2000 and March 2010, were reviewed in search of cases of equine sarcoid. Forty cases were selected to determine epidemiological aspects and anatomical distribution of the various clinical forms of these neoplasms in horses from Rio Grande do Sul. Out of the cases in which the ages were registered in the histopathological reports, 73.0% (27/37) were 1 to 5-year-old horses. Multiple sarcoids were observed in most of the affected horses (29/40 [72.5%]). The fibroblastic form was most frequently observed and occurred in 42.2% (27/64) of the cases. In more than half of the cases (22/40 [55.0%]), sarcoids had a multifocal distribution. Twenty two (55%) out of the 40 horses evaluated had the tumors in the limbs.