Male Genital Tract, Case 2 67-year-old male has nocturia, urinary hesitancy, “weak” urine stream, and dribbling at the end of urination. On digital rectal exam the prostate gland is enlarged and non-tender. There are no palpable masses.

Identify the organ Describe the gross findings.

Nodular Prostatic Hyperplasia The autopsy specimen consists of a cut section of prostate gland. Note the numerous large and small circular nodules.

Describe the lower power histologic findings

Multiple nodules composed of hyperplastic glands in which the lining epithelium is thrown up into folds and papillary structures. Hyperplastic connective tissue stroma Dilated Glands

Describe the high power histologic findings The microscopic section of the prostate gland reveals a gland in which the hyperplastic epithelium forms folds (arrow) which extend into the lumen.

Identify the organ(s) Identify the structures Describe the gross findings

Benign Prostatic Hyperplasia The autopsy specimen consists of the urinary bladder and attached prostate. The bladder is opened longitudinally along the anterior midline through the prostatic urethra. Note the distinct bands or trabeculations in the posterior wall of the bladder. What is the nature of the trabeculations? What is the pathogenesis of the trabeculations? A- Trabeculation B - Prostate