Case of March 2013

Clinical History:

This 85 year-old man, with history of atrial fibrillation and mitral valve replacement on long-term warfarin, was presented with dull lower abdominal pain for 3 days. There was no history of recent trauma. On admission, patient was patient was afebrile. Haematological investigation showed anaemia and prolonged prothrombin time (INR>7). White cell count was mildly elevated. Un-enhanced and contrast-enhanced computed tomography (CT) of abdomen and pelvis was performed as urgent request.