A retrospective study on significance of total and free Prostate specific antigen (PSA) level with their ratio in diagnosis of prostatic lesions at a tertiary care centre

Abstract

Background: Prostate specific antigen (PSA) is a protein made by prostate and is produced by cancerous as well as non-cancerous cells. PSA is screening test used to detect undiagnosed prostate cancer in men. Normally it is present in small quantity with healthy prostate (