Stercoral proctocolitis

Case contributed by Chris Witkowski
Diagnosis almost certain

Presentation

Severe generalized lower abdominal pain on a background of constipation following cystoscopy and TURBT six days prior.

Patient Data

Age: 85 years
Gender: Female

CT A/P C+ portal venous phase

ct
  • large volume of feces causing rectal distension with mild increased enhancement of the inferior rectal walls, associated perirectal fat stranding and small volume free fluid
  • no evidence of extraluminal gas
  • urinary bladder distension without evidence of perforation; small volume of gas within the bladder consistent with recent cystoscopy
  • no intra-abdominal free gas or large volume free fluid

Case Discussion

CT of the abdomen/pelvis demonstrates findings consistent with stercoral proctocolitis, inflammation of the rectum secondary to fecal impaction (fecaloma). There is no imaging evidence to suggest the presence of stercoral perforation, a known complication of stercoral colitis. Significantly the CT also demonstrates no evidence of urinary bladder perforation, as although the patient did not present with overt clinical evidence of peritonism, this was an important consideration given the patient's recent history of cystoscopy with TURBT.

The patient's condition resolved with aperients.

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