A case of a methylmethacrylate foreign body in the bladder wall.

The authors report a rare case of bone cement protruding into the bladder wall. The patients exhibited an abnormal mass in the bladder wall during ultrasonography and was admitted to our department 21 mo after right hip joint replacement. Partial resection of the urinary bladder including the bone cement was performed. The patient made an uneventful recovery postoperatively. This is the third case reported of a foreign body in the urinary bladder associated with bone cement.