Colonoscopy effects on serum prostate specific antigen levels

Introduction: To evaluate the colonoscopy effects on serum levels of prostate specific antigen (PSA) and PSA ratio. Subjects and methods: Thirty men were studied (median age 68 years, range 32–89). All of them had their serum PSA (total and free) measured 24 hours prior to colonoscopy and also 24 hours, 7 and 30 days after procedure. Results: 14 of 30 (47… CONTINUE READING