Renal tumors in bovine

Dois tumores localizados em rim de bovino, são tratados no presente trabalho, ambos originados no blastema renal, sendo um de natureza benigna, no qual podiam ser observados tecidos nefrógeno, fibroso e muscular e outro com grau intenso de malignidade, constituído de um tecido francamente sarcomatoso, apresentando em alguns pontos, fibras musculares lisas e noutros, arranjos de aparência epitelial.Two renal tumors in bovine are related in this paper, both originated from the renal blastema. One of them was of benign character and presented nefrogenous, fibrous and muscular tissues and the other of malignant character was constituted by sarcomatous tissue, presenting also, muscular smooth fibers and cells arranged in epithelial form