Uropathology

Prostatic xanthoma

Definition Aggregate of lipid-laden histiocytes found within the prostatic stroma. Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Post-biopsy granuloma

Definition Granulomatous inflammatory response seen after transurethral resection or needle core biopsy of the prostate gland. Clinical features Epidemiology Seen in men undergoing repeat transurethral resection (TUR). Rarely can be seen after prostate needle biopsy. Less than 1% of benign…

Nonspecific granulomatous prostatitis

Definition Mixed inflammatory response owing to extravasated prostatic fluid, bacterial toxins, and cell debris. Clinical features Epidemiology Most commonly seen in the fifth and sixth decades. Present in 0.5%–3.4% of prostate specimens, and accounts for approximately two-thirds of all granulomatous…

Chronic inflammation of the prostate

Definition Presence of chronic inflammatory cells in the prostate tissue, with or without clinical symptoms. Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member.…

Acute inflammation of the prostate

Definition Presence of acute inflammatory cells in the prostate tissue, with or without clinical symptoms. Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member.…

Benign prostatic hyperplasia

Definition Nodular hyperplasia or benign prostatic hyperplasia (BPH) consists of a nonmalignant enlargement of the prostate because of overgrowth of the epithelium and fibromuscular tissue of the transition zone and periurethral area. It occurs commonly in men after 50 years…

Cowper gland

Definition Also called bulbourethral gland; paired, pea-shaped, small exocrine glands in males, homologous to Bartholin’s glands in females. Deeply located posterolateral to the membranous (or bulbous) urethra in the urogenital diaphragm. Lobular pattern of dimorphic population of mucinous acini and…

Seminal vesicle/ejaculatory duct

Definition The seminal vesicles are a pair of male sex accessory glands posterolateral to the base of the urinary bladder. The excretory duct of the seminal vesicle and ampulla of the vas deferens join to form the bilateral ejaculatory ducts,…

Anatomy and histology of the prostate

Definition In an adult man, the prostate gland is shaped like an inverted cone, with the base at the bladder neck and the apex at the urogenital diaphragm. It weighs 30–40 g. You’re Reading a Preview Become a Clinical Tree…