DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Urine retention. Distended abdomen of an 85 year old man due to urine retention in the bladder. Urine retention is an inability to empty the bladder, or a difficulty in doing so. It may be due to bladder stones, phimosis (tight foreskin), or a prostate tumour. Treatment is of the underlying condition, but the bladder may be drained with a catheter in the meantime.
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