Presacral Anastomotic Sinus After Low Anterior Resection Mimicking Recurrent Rectal Cancer
2020
Presacral anastomotic sinus is recognized as a complication of anastomotic leakage in patients with rectal cancer. Active inflammation in the anastomotic sinus can masquerade as pelvic recurrence of rectal cancer. We present a case of progressive inflammation in anastomotic sinus demonstrated by serial FDG PET/CT scans. Despite its benign nature, increased FDG uptake in this nonnegligible condition, which could lead to further detrimental complications including secondary cancer, may have clinical implications.
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