Fig. 4

a and b Contrast enhanced CT of the pelvis demonstrates fractures of the bilateral pubic rami and areas of active hemorrhage likely arising from left external pudendal artery. c Color Doppler ultrasound image through the prevesical hematoma demonstrates focal pseudoaneurysm formation corresponding to the area of extravasation on the CT. d Following injection of 2500 units of thrombin, no residual vascular flow was identified in the pseudoaneurysm