Abstract
Introduction: The prostate is a pear-shaped glandular organ that adds part of fluid to semen. The prostate consists of stromal and glandular components. Prostate needle biopsy is performed either transrectal ultrasound (TRUS) guided or transurethral routes. PSA is a glycoprotein produced by secretory cells. Normally the PSA levels are less than 4.0ng/ml.
 Aim: The main aim of the study is to find out the correlation between various pathological lesions occur in the prostate and serum Prostate Specific Antigen (PSA) level.
 Study Design: A retrospective study.
 Place and Duration of Study: Department of Pathology,Saveetha Medical college and Hospital, between January 2019 and December 2019.
 Methodology: A retrospective study of 84 prostatic biopsies for a period of 1 year in the year 2019 was carried out. All specimens subjected for histopathological examination and the relevant clinical data and Serum PSA values correlation was done.
 Results: Commonest age group being 61-70 years. Difficulty in micturition was the most common presentation .Most common lesion found was Benign Prostatic Hypertrophy(BPH) constituting 67 cases (71.42%) followed by BPH with prostatitis 17 cases (20.23%), adenocarcinoma 6 cases (7.14%) and 1 case of Prostatic Intraepithelial Neoplasia (PIN) (1.19%). BPH patients, had S.PSA levels in the range of 4.1-15 ng/ml. Three cases of adenocarcinoma showed very high levels of S.PSA (>100 ng/ml) with the Gleason score of 9(5+4).
 Conclusion: Both benign and malignant pathologies can cause an increase in serum PSA levels, but the chances of finding malignancy increases with rising values of PSA. But in the management of prostatic cancer the histopathological diagnosis and grading plays a definitive role.
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