Anatomy
·Pelvis & Perineum
Prostate
⭐ PREMIUM
The prostate surrounds the prostatic urethra below the bladder neck. Its zones and venous drainage explain BPH and cancer behaviour.
LOBES / ZONES
• Zones: peripheral (largest, ~70%; site of most CARCINOMA, palpable on DRE), central, transition (site of BENIGN hyperplasia → urinary obstruction), + anterior fibromuscular stroma.
• Ducts open into the prostatic urethra; ejaculatory ducts pierce i…
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