Resumen

SAN MIGUEL FRAILE, P. et al. Soft tissue metastases by micropapillary bladder carcinoma. Actas Urol Esp [online]. 2007, vol.31, n.7, pp.788-791. ISSN 0210-4806.

Micropapillary transitional cell carcinoma is a rare (incidence of 0.7%) and highly aggressive variant of bladder carcinoma. Morphologically, it is characterized by small tight clusters of neoplastic cell floating in clear spaces resembling lymphatic channels. Its usual presentation is like a high grade and stage carcinoma and most often is associated with a variable component of conventional carcinoma or other variants. The usual sites of bladder cancer metastases are the lymph nodes, lungs, bone and liver. Soft tissues metastases from transitional cell carcinoma of the bladder occur infrequently. We report the cases of a 77-year-old man presenting with an abdominal soft tissue mass a six years after local excision of a micropapillary bladder carcinoma.

Palabras clave : Micropapillary carcinoma; transitional carcinoma; metástasis; soft tissues.

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