This is a pelvic CT of a 66-year- old man with urinary sepsis whilst undergoing chemotherapy for bowel cancer. He had a low anterior resection and is know to have a pre-sacral collection discharging into the rectum. His chemotherapy has been put “on hold” pending treatment of this abnormality.
What would be the differential diagnosis for this condition? What investigations would be the most appropriate now? Case and image source: camurology *This case is from the Docplexus Editorial Team and is for educative purpose only.
