Figure 9. Extraperitoneal bladder injury in an 88-year-old man who had undergone transurethral resection of the prostate gland. Gross hematuria was seen postoperatively. CT cystogram demonstrates extraperitoneal contrast material leakage from the right side of the urinary bladder (arrow). The contrast material extends posteriorly along the medial aspect of the right levator ani muscle. The patient was successfully treated conservatively with a transurethral bladder catheter.