Patient with abdominal pain and fever. Previous left hemicolectomy.
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CT abdomen with and without intravenous contrast with gastrografin enema.
Large fluid collection with gas anterior to the colo-rectal anastomosis, above the bladder, extending to the lower abdominal wall, in the soft tissues of the hypogastric region.
After transrectal gastrografin one can appreciatea a long and thin fistula that goes up into the subcutaneous plane.
Acknowledgement: Dr.ssa Mara Giorgi