The document discusses various pathologies of the prostate, including: - Benign prostatic hyperplasia (BPH), which is a noncancerous enlargement of the prostate due to aging. Histologic features include glandular and stromal hyperplasia. - Prostatic intraepithelial neoplasia (PIN), which is considered a precursor lesion to prostate cancer. It is graded as low or high grade. - Prostate adenocarcinoma, which microscopically appears as small, simple glandular structures. The Gleason grading system is used to characterize prostate cancers. - Other rare pathologies that can involve the prostate such as lymphoma, small cell carcinoma,

1. Prostate Pathology Martha K. Terris, M.D. Medical College of Georgia

26. PIN

27. PIN

28. Normal Gland and PIN

29. PIN

33. High Grade PIN

36. Basal Cell Hyperplasia

37. Basal Cell Hyperplasia

40. Prostate Cancer Blue Mucin