genitourinary disorders
Benign Prostatic Hyperplasia (BPH)
Introduction
Benign prostatic hyperplasia (BPH) is nonmalignant adenomatous overgrowth of the periurethral prostate gland. Symptoms are those of bladder outlet obstruction—weak stream, hesitancy, urinary frequency, urgency, nocturia, incomplete emptying, terminal dribbling, overflow or urge incontinence, and complete urinary retention. Diagnosis is based primarily on digital rectal examination and symptoms; cystoscopy, transrectal ultrasonography, urodynamics, or other imaging studies may also be needed. Treatment options include 5 alpha-reductase inhibitors, alpha-blockers,tadalafil, and surgery. 30 mL and a moderate or high American Urological Association Symptom Score (see table ), the prevalence of BPH in men aged 55 to 74 without prostate cancer is 19%. But if voiding criteria of a maximal urinary flow rate The etiology is unknown but probably involves hormonal changes associated with aging. 