The andes of bladder stones: Gigantic bladder calculi in a patient with bladder outlet obstruction and hyperparathyroidism.

60-year-old man with known chronic urinary retention (CUR) managed with clean intermittent catheterization (CIC); He presented with difficulty with CIC. A KUB revealed 13 cm in conglomeration bladder stones. Routine preoperative bloodwork revealed calcium >12 and a subsequent PTH was also elevated.