A 78-year-old man underwent a total radial colectomy due to carcinoma of the rectum with synchronous growth in ascending and descending colon. Immediately after extubation, the abdominal drain accumulated approximately 500 ml of fresh blood which indicated active hemorrhage, and urgent re-exploration was done. There was a collection of 700 ml blood in the peritoneal cavity and active venous bleeding from superior mesenteric vessels territory. Observation The mesenteric hematoma was observed at the suture site of size 5 × 5 cm.
It started expanding and reached up to the size of 10 × 10 cm within 20 minutes without any identifiable active bleeding due to bulky fat pad and hematoma. What's your diagnosis? *This patient case is from the Docplexus Editorial Team for educative purposes only. The correct answer is posted in the comment section below!
