is a pattern of ischemic colitis that typically results from sudden occlusion of major vessels, especially the superior mesenteric artery.
USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 50-year-old man comes to the emergency department because of a leg injury following a motor vehicle accident. His past medical history is significant for hypertension and hyperlipidemia. Physical examination shows minor contusions and a tibia-fibula compound fracture, requiring surgery. Post-operatively, the patient experiences severe abdominal pain and the passing of an abundance of bright red blood and mucus from his rectum. An emergent abdominal X-ray shows thumb-printing in the colon and dilation of the small intestine. Which of the following is the most likely structure affected?