We report on 3 cases of stone formation in the prostatic urethra after
cryosurgical ablation of the prostate. This complication occurred lat
e in the course, many months after the normal postoperative healing pr
ocess apparently was finished and patients enjoyed normal voiding. Tra
nsrectal ultrasound proved to be useful in making the diagnosis. Treat
ment included lithotripsy and cold resection of residual dead tissue.
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