Hemangiossarcoma como causa de hemopericárdio em cão

Abstract

Hemangiosarcoma is a malignant neoplasm of endothelial cells, common in elderly dogs. The present work describes the case of a hemangiosarcoma located in the right atrium, liver and spleen of a 12-year-old dog with a history of sudden death. The necroscopic examination revealed rupture of the atrial and hemopericardial neoplasia. Histopathological and immunohistochemical tests allowed the definitive diagnosis of the neoplasm.