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J Urol. 1998 Sep;160(3 Pt 1):802-6.

Prognostic indicators in patients with seminal vesicle involvement following radical prostatectomy for clinically localized prostate cancer.

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  • 1Department of Urology, Wayne State University School of Medicine and Barbara Ann Karmanos Cancer Institute, Detroit, Michigan, USA.

Abstract

PURPOSE:

We identify prognostic factors in patients with seminal vesicle involvement and negative lymph nodes following radical prostatectomy for clinically localized prostate cancer.

MATERIALS AND METHODS:

A total of 93 patients who underwent radical prostatectomy and had seminal vesicle invasion without lymph node metastasis were evaluated. Patients who underwent neoadjuvant/adjuvant hormonal or radiation therapy were excluded from study. Preoperative serum prostate specific antigen (PSA), biopsy and radical prostatectomy specimen Gleason score, surgical margin status, presence of extraprostatic extension and evidence of biochemical disease progression were determined prospectively. Biochemical failure was defined as a single serum PSA elevation greater than 0.4 ng./ml.

RESULTS:

The presence of positive surgical margins (p = 0.001), and Gleason score 7 or higher from preoperative biopsies (p = 0.03) and from the radical prostatectomy specimen (p = 0.01) were significant predictors of disease progression at a median followup of 43.3 months. Patients with preoperative PSA less than 10 ng./ml. had a better disease-free survival (p = 0.07). On multivariate analysis, after adjusting for biopsy Gleason score, prostatectomy Gleason score and serum PSA, positive surgical margins remained a statistically significant predictor of disease progression (p = 0.002).

CONCLUSIONS:

Surgical margin status is an independent predictor of disease recurrence in patients with seminal vesicle involvement and negative lymph nodes following radical prostatectomy. Serum PSA 10 ng./ml. or greater and specimen Gleason score 7 or greater also were adverse prognostic factors in these patients. Conversely, patients with negative surgical margins and lymph nodes have a better prognosis than previously expected, despite seminal vesicle invasion.

PMID:
9720552
[PubMed - indexed for MEDLINE]
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