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Urol Oncol. 1996 Sep-Oct;2(5):141-5.

Routine frozen section of pelvic lymph node specimens prior to radical retropubic prostatectomy is unnecessary in patients with prostate specific antigen.

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1
From the Division of Urologic Surgery, Department of Pathology, University of Pittsburgh, School of Medicine, Pittsburgh, Pennsylvania, USA.

Abstract

Our prospective study was designed to evaluate the routine use of frozen section of pelvic lymph node specimens prior to radical prostatectomy in patients with pre-biopsy prostate specific antigen (PSA) levels less than 20 ng/ml. Included in our study were 241 patients who had clinically localized disease on digital rectal examination, a negative preoperative metastatic work-up, and a pre-biopsy serum PSA of less than 20 ng/ml. If a palpable abnormality of pelvic lymph nodes was detected at the time of surgery, specimens were sent for frozen section analysis. Lymphatic specimens that were palpably normal were sent for permanent section only. Ten (4.1%) of the 241 patients had pelvic lymph node metastases demonstrated by permanent section. Of the patients with lymph node metastasis, 50% had Gleason scores of 8-10 on their needle biopsy specimens. None of these patients had frozen section analysis of their lymph nodes. Frozen section failed to detect lymph node metastasis in all cases analyzed. Routine frozen section analysis of pelvic lymphadenectomy specimens in patients with clinically localized prostate cancer, Gleason score 2-7 on the needle biopsy, and prebiopsy PSA of less than 20 ng/ml is unnecessary.

PMID:
21224159
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