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Anticancer Res. 2004 Mar-Apr;24(2C):1179-85.

Detectable serum PSA after radical prostatectomy. Clinical and pathological relevance of perianastomotic biopsies.

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  • 1Institute of Urology, Universit√† Politecnica delle Marche Medical School, Ancona, Italy.

Abstract

BACKGROUND:

Few reports have detailed the histopathological results of biopsies of the vesicourethral anastomosis or prostatic bed in patients with a detectable postoperative PSA.

PATIENTS AND METHODS:

Among a series of 153 patients who underwent radical retropubic prostatectomies, we analyzed the results of 64 perianastomotic biopsies performed in 17 men with a detectable PSA and no evidence of local recurrence or distant metastases.

RESULTS:

Fourteen of the 17 patients had a relapse of prostatic carcinoma; the results of histology in the three pT2bN0M0 patients revealed the presence of benign prostatic hyperplasia in 2 patients and atypical cribriform proliferation in 1 patient. The first two patients are free from prostatic cancer recurrence 36 months after perianastomotic biopsies; a further biopsy performed 6 months after in the third patient showed the presence of prostatic carcinoma.

CONCLUSION:

The present study raises the possibility that residual benign tissue, resulting from unintentional disruption of the prostatic capsule during surgery, may be responsible for a detectable postoperative PSA. These cases comprise a histopathological classification described as "intraprostatic surgical margin".

PMID:
15154644
[PubMed - indexed for MEDLINE]
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