Colorectal cancer recurrence at the colostomy and the midline scar sites
A patient who underwent an abdominoperineal resection for low rectal cancer came for follow-up.
PET CT (selected images)
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Close inspection of the CT scan reveals an inconspicuous soft tissue nodule at the colostomy site (red arrow) and soft tissue at the midline scar site (yellow arrow), corresponding to the increase FDG uptake at the colostomy and midline scar sites respectively.