Resumo

PINILLA GONZALEZ, Rafael et al. Malign retroperitoneal schwannoma. Rev Cubana Cir [online]. 2009, vol.48, n.4, pp. 0-0. ISSN 1561-2945.

The retroperitoneal tumors are infrequent and are classified according to the original tissue. This is a case presentation of a patient presenting with pain in right hypochondrium and a tumor in this zone, weight loss and painful discomfort in the anterolateral face of right thigh. In physical examination we found cutaneous-mucous paleness and painless tumor in hypochondrium and right flank. Abdominal ultrasound (US) showed a homogenous mass of 14,11 cm and abdominal computed tomography allows to see a right retroperitoneal tumor rejecting the kidney. Excretory urogram showed a anteromedial rejection of right kidney. An encapsulated tumor with a few peritumoral adherences was removed. By histological study it was possible to confirm a fusiform cells tumor with hyperchromatism and nuclear pleomorphism, numerous mitosis and areas of necrosis and in the diagnosis of malign tumor of the sheath of a peripheral nerve.

Palavras-chave : Nerve sheath tumor; surgery; retroperitoneum; schwannoma.

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