Figure 12a. Hematoma of the ischiocavernosus muscle. (a) CT scan of a patient with a type II urethral injury shows a fracture of the left ischiopubic ramus with a hematoma of the ischiocavernosus muscle (arrowheads) and absence of the adjacent fat plane. (b) Contiguous section obtained 10 mm above a shows arterial extravasation of contrast material (h). (c) CT scan of another patient shows a fracture of the left ischiopubic ramus (arrow) with preserved fat planes and no hematoma of the ischiocavernosus muscle. No urethral injury was seen at RUG.