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Inicio Actas Urológicas Españolas Leiomiosarcoma de próstata. aportación de un caso y revisión de la literatura
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Vol. 25. Issue 6.
Pages 445-449 (January 2001)
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Vol. 25. Issue 6.
Pages 445-449 (January 2001)
Leiomiosarcoma de próstata. aportación de un caso y revisión de la literatura
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M. De La Cruz Ruiz1, J. Calleja Escudero, J.R. Cortiñas González, J. Rivera Ferro, E. Fernández Del Busto
Servicio de Urología
J.I. Peral Martínez*
* Servicio de Anatomía Patológica. Hospital Clínico de Valladolid
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Resumen

Presentamos el caso de un paciente de 48 años con un leiomiosarcoma de próstata. Los síntomas iniciales fueron prostatismo de rápida evolución e intensos síntomas rectales (rectorragias, tenesmo rectal, estreñimiento y dolor perineal). El leiomiosarcoma de próstata es una neoplasia poco frecuente (supone menos del 0,1-0,2% de los tumores prostáticos), con mal pronóstico, que se origina en las células del músculo liso de la glándula prostática. Frecuentemente es difícil determinar su origen rectal o prostático, y debe establecerse el diagnóstico diferencial con el absceso prostático, el pseudosarcoma, el fibrosarcoma inflamatorio y otras neoplasias poco frecuentes de próstata y vesículas seminales. No existe un protocolo terapéutico establecido, aunque la mayoría de los autores proponen una terapia combinada con cirugía radical, quimioterapia y radioterapia. Aún así no se ha conseguido un aumento significativo de la supervivencia, que parece depender más del momento del diagnóstico que de la modalidad terapéutica empleada

Palabras clave:
Neoplasias prostáticas
Leiomiosarcoma
Sarcoma-próstata
Cáncer próstata
Marcadores tumorales
Inmunohistoquímica
Abstract

A 48-year-old male with a leiomyosarcoma of the prostate is presented. The clinical presenting features were those of rapidly evolving prostatism and rectal symptoms (rectal bleeding, sense of rectal fullness and perineal pain). Arising from the smooth muscle cells of the prostate gland, this is a rare neoplasm that account for less than 0,1% of prostate malignancies, with a poor prognosis. It is often difficult to determine a definite origin, being necessary the differential diagnosis with pseudosarcoma, inflammatory fibrosarcoma, prostate abscess and other rare tumors. There is no established protocol of treatment. Combined modality therapy including radical surgery, radiation therapy and chemotherapy seems to be the best, althougt prognosis remains poor

Key words:
Prostatic-neoplasms
Leiomyosarcoma
Prostate-sarcoma
Tumor-markers
Inmunohistochemical

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