Benign disorders of the prostate: A histopathological study

Area of Science:

• Urology
• Pathology
• Oncology

Background:

• Understanding benign prostatic disorders is crucial for identifying malignant potential.
• Advances in pathology necessitate re-evaluating benign lesions and their relationship with cancer.

Purpose of the Study:

• To histopathologically review prostatic surgical pathology over seven years.
• To examine the relationship between benign prostatic lesions and premalignant conditions.

Main Methods:

• Histopathological review of prostatic surgical pathology specimens.
• Analysis of seven years of patient data.

Main Results:

• Benign prostatic hyperplasia (BPH) initially fibromuscular, becoming glandulostromal with age.
• Glandular necrosis correlated with stromal repair, forming fibromuscular hyperplasia.
• Basal cell, papillary, and cribriform hyperplasia correlated with prostatic intraepithelial neoplasia (PIN).
• Cribriform hyperplasia correlated with atypical adenomatous hyperplasia (AAH) and increased with age.

Conclusions:

• Benign prostatic events like glandular necrosis and epithelial hyperplasia are linked to premalignant lesions.
• These findings highlight pathways from benign prostatic changes to premalignant conditions such as PIN.