Fig. 1

a Contrast enhanced CT of the abdomen and pelvis demonstrates a large left anterior abdominal wall hematoma with an area of active extravasation. b Ultrasound images with color Doppler through the left flank hematoma demonstrates focal pseudoaneurysm corresponding to the focus of active hemorrhage on the CT. c Short term follow up ultrasound image with color Doppler through the left flank hematoma demonstrates no residual pseudoaneurysm