ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Benign prostatic hyperplasia. X-ray of a section through the pelvis of a 60-year-old male patient with benign prostatic hyperplasia (BPH) and calculi (stones, white spots) in the prostate. BPH is a benign (non-cancerous) increase in the size of the prostate. This condition can obstruct the flow or urine through the urethra. Calculi are concretions of mineral salts that form within an organ or duct in the body.
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