Needle calculus in the male urinary bladder.
D002137:Calculi; D005547:Foreign Bodies; D006801:Humans; D008297:Male; D008418:Masturbation; D009339:Needles; D001743:Urinary Bladder; D001744:Urinary Bladder Calculi; D001745:Urinary Bladder Diseases
BLADDER/calculi; BLADDER/foreign bodies; CALCULI; FOREIGN BODIES; MASTURBATION