Bowel injury due to blunt trauma.
This 15-year-old patient suffered a lap belt injury during a motor vehicle crash. A. There is a large amount of free intraperitoneal fluid (arrow) in the pelvis. B. A CT image in the midportion of the abdomen shows dilated loops of jejunum. Mural hemorrhage and edema result in wall thickening of 1 of the loops of bowel (arrow) adjacent to the spine. C. A small amount of intraperitoneal air is present adjacent to the liver (arrow). Surgical exploration demonstrated a jejunal rupture.