Journal article

Differential response of prostate specific antigen to testosterone surge after luteinizing hormone-releasing hormone analogue in prostate cancer and benign prostatic hyperplasia

DK Agarwal, AJ Costello, J Peters, K Sikaris, H Crowe

BJU INTERNATIONAL | BLACKWELL SCIENCE LTD | Published : 2000

Abstract

OBJECTIVE: To investigate any differences in changes in serum prostate specific antigen (PSA) levels in patients with benign and malignant prostatic disease in response to the testosterone surge after administering a luteinizing hormone-releasing hormone (LHRH) analogue. PATIENTS AND METHODS: The study included 54 patients referred to the urology clinic with intermediate PSA levels (4-10 ng/mL) or an abnormal digital rectal examination. Forty-five patients received a single injection of LHRH analogue depot each at one week before prostate biopsy and nine served as a control group. Changes in PSA levels in response to the testosterone surge from the LHRH analogue were recorded after 5 and 7 d..

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