Fig. 12From: Gastrointestinal perforation: clinical and MDCT clues for identification of aetiology72-year-old patient with small bowel perforation following closed loop strangulation. a, b Axial contrast-enhanced images following oral contrast administration demonstrate distended air-filled poorly enhancing bowel loops (L) within an internal hernia’s sac. Note free gas (arrowheads), localised fluid (f), fat stranding and mesenteric vessel congestion (*)Back to article page