Peritoneal inclusion cyst

Case contributed by Henry Knipe


MHC gene deletion (i.e. no functioning immune system); background of gastrectomy, colectomy; presents with lower back pain radiating to left ASIS and left thigh as well as lower abdominal pain ?paravertebral abscess +/- intra-abdominal abscess.

Patient Data

Age: 25 years
Gender: Female

Superior to the bladder and uterus is a complex, low-density lesion with internal septae. It lies adjacent to the sigmoid anastomotic sutures but appearance is atypical for a fluid collection related to an anastomotic leak. Associated pelvic and abdominal free fluid and the bowel loops are displaced superiorly out of the pelvis.

Case Discussion

The patient went to MRI (not shown), which also showed features of a peritoneal inclusion cyst. 

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