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Microvascular invasion is an independent prognostic factor in patients with prostate cancer treated with radical prostatectomy
Antunes, Alberto A; Srougi, Miguel; Dall'Oglio, Marcos F; Crippa, Alexandre; Paranhos, Mario; Cury, Jose; Nesrallah, Luciano J; Leite, Katia R.
  • Antunes, Alberto A; University of Sao Paulo Medical School. Division of Urology. São Paulo. BR
  • Srougi, Miguel; University of Sao Paulo Medical School. Division of Urology. São Paulo. BR
  • Dall'Oglio, Marcos F; University of Sao Paulo Medical School. Division of Urology. São Paulo. BR
  • Crippa, Alexandre; University of Sao Paulo Medical School. Division of Urology. São Paulo. BR
  • Paranhos, Mario; University of Sao Paulo Medical School. Division of Urology. São Paulo. BR
  • Cury, Jose; University of Sao Paulo Medical School. Division of Urology. São Paulo. BR
  • Nesrallah, Luciano J; University of Sao Paulo Medical School. Division of Urology. São Paulo. BR
  • Leite, Katia R; University of Sao Paulo Medical School. Division of Urology. São Paulo. BR
Int. braz. j. urol ; 32(6): 668-677, Nov.-Dec. 2006. tab, graf
Artigo em Inglês | LILACS | ID: lil-441366
ABSTRACT

OBJECTIVE:

Current published data regarding the prognostic value of microvascular invasion (MVI) in patients with prostate cancer (PCa) have yielded mixed results. Furthermore, most important series had surgical procedures performed by multiple surgeons and surgical specimens analyzed by multiple pathologists. We determined the relation of MVI with other pathologic features and whether this finding can be used as an independent prognostic factor in patients with PCa. MATERIALS AND

METHODS:

We selected 428 patients with clinically localized PCa treated with radical prostatectomy (RP). MVI was correlated to other pathologic features. The Kaplan-Meier method was used to evaluate survival curves and statistical significance was determined by the log-rank test. Multivariate analysis was performed through a Cox proportional hazards regression model.

RESULTS:

Eleven percent out of the 428 patients presented MVI. Except for the lack of association with biopsy Gleason score, MVI was related to all clinical and pathologic features of RP specimens. Mean follow up after surgery was 53.9 ± 20.1 months. Patients with MVI presented a recurrence rate of 44.6 percent compared to only 20.2 percent for patients without MVI (Log-rank test - p < 0.001). After Cox regression analysis, MVI was an independent prognostic feature related to biochemical recurrence.

CONCLUSIONS:

MVI is associated to advanced pathologic features of PCa and is an important prognostic factor regarding disease recurrence in patients treated with RP. These findings support the recommendations to the routine evaluation of this variable in pathologic reports of RP specimens.
Assuntos
Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Próstata / Prostatectomia / Neoplasias da Próstata / Carcinoma Tipo de estudo: Guia de Prática Clínica / Estudo prognóstico Limite: Adulto / Idoso / Aged80 / Humanos / Masculino País/Região como assunto: América do Sul / Brasil Idioma: Inglês Revista: Int. braz. j. urol Assunto da revista: Urologia Ano de publicação: 2006 Tipo de documento: Artigo País de afiliação: Brasil Instituição/País de afiliação: University of Sao Paulo Medical School/BR

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Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Próstata / Prostatectomia / Neoplasias da Próstata / Carcinoma Tipo de estudo: Guia de Prática Clínica / Estudo prognóstico Limite: Adulto / Idoso / Aged80 / Humanos / Masculino País/Região como assunto: América do Sul / Brasil Idioma: Inglês Revista: Int. braz. j. urol Assunto da revista: Urologia Ano de publicação: 2006 Tipo de documento: Artigo País de afiliação: Brasil Instituição/País de afiliação: University of Sao Paulo Medical School/BR