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Vol. 29. Issue 5.
Pages 481-484 (January 2005)
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Vol. 29. Issue 5.
Pages 481-484 (January 2005)
Adenocarcinomas mínimos de próstata en la biopsia sometidos a prostatectomía radical
Minimal prostatic adenocarcinomas in the biopsy treated with radical prostatectomy
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M. Montesino Sempera,1
Corresponding author
mmontes@cfnavarra.es

Dr. M. Montesino Semper Servicio de Urología. Hospital Virgen del Camino C/ Irunlarrea, 4 - 31008 Pamplona (Navarra)
, J. Jiménez Aristua, P. Fernández Seara*, C. Sarmiento Gómeza, L. Ripa Saldíasa, A. Rivas Alonsoa, M. Pinós Paula, Á. de Pablo Cárdenasa, I. Villanueva Péreza, A. Santiago González de Garibaya
a Servicio de Urología Anatomía-Patológica. Hospital Virgen del Camino. Pamplona
* Anatomía-Patológica. Hospital Virgen del Camino. Pamplona
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Resumen
Fundamento

Valoración de datos clínico-patológicos de pacientes sometidos a prostatectomía radical por mínimo adenocarcinoma prostático en la biopsia.

Métodos

Análisis retrospectivo de pacientes intervenidos de prostatectomía radical por mínimo adenocarcinoma, frente al resto de prostatectomías radicales.

Resultados

En 20 pacientes (7,6 %), de los 260 sometidos a prostatectomía radical entre 1992 y 2004, se definió la biopsia como “mínimo adenocarcinoma”. Tenían edades entre 58 y 73 años y los PSA entre 5,2 y 17,1 ng/ml. Todos, excepto uno eran clínicamente T1c. En la anatomía-patológica definitiva el Gleason fue de 6, 4, 3 y 2, en 3, 3, 8 y 4 pacientes respectivamente, con uno con mínimo adenocarcinoma no graduado y sólo un PIN-III en otro. Tres presentaron un solo foco con un volumen tumoral inferior al 5% del tejido (el 84,2 % con tumor significativo). El estadio final fue 1 pT0 (PIN III), 7 pT2a, 11 pT2b y 1 pT3a (62,5% bilaterales).

Con respecto al resto de pacientes prostatectomizados, los pacientes con mínimo adenocarcinoma presentaron diferencias significativas en los Gleason (p=0,029) y los estadios (p= 0,02); no en la media del PSA (p=0,243).

Conclusiones

Los adenocarcinomas de próstata mínimos en la biopsia son significativos, aunque presentan estadios y grados inferiores al resto.

Palabras clave:
Adenocarcinoma de próstata
Anatomía patológica
Próstata
Abstract
Fundamentals

Valuation about clinical pathologyc facts of patients having undergone a radical prostatectomy due to a minimal prostate adenocarcinoma shown at the biopsy.

Methods

Retrospective analysis of patients having undergone a radical prostatectomy due to a minimal prostate adenocarcinoma shown at the biopsy in front of the remaining radical prostatectomies.

Results

In 20 patients (7,6%) out of the 260 having undergone a radical prostatectomy between 1992 and 2004 the biopsy was informed as “minimal adenocarcinoma”. These patients ranged 58 to 73 years with PSA levels from 5.2 to 17.1 ng./ml. Everyone except one were clinically T1c. At the definitive pathological study the Gleason was 6, 4, 3 and 2 in 3, 3, 8 and 4 patients respectively, with one having a minimal adenocarcinoma not graded and another one with a PIN ?. 3 showed only 1 focus with a tumoral volume less than 5% of the tissue (84.2% with significant tumor or multifocal). The final staging was 1 pT0 (PIN ?), 7 pT2a, 11 pT2b and 1 pT3a (62.5% bilaterals).

Relating to the remaining patients under prostatectomy, patients with minimal adenocarcinoma presented significative differences in Gleason sum (p < 0.029) and staging (p = 0.02); no in PSA mean (p =0,243).

Summary

Minimal adenocarcinomas of the prostate at the biopsy are significant but do present lower staging and grading in relation with the rest of patients.

Keywords:
Adenocarcinoma of the prostate
Pathological study
Prostate

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