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Adult intussusception associated with mesenteric Meckel's diverticulum and antimesenteric ileal polyp

Adrian K McGrath1, Fatimah Suliman1, Noel Thin1

  • 1Department of General Surgery, Whipps Cross University Hospital, London, UK.

BMJ Case Reports
|September 21, 2019
PubMed

Insights

Meckel's diverticulum, a common congenital abnormality, can cause complications like intussusception in adults. This case highlights a mesenteric Meckel's diverticulum with a polyp leading to adult intussusception.

Area of Science:

  • Gastroenterology
  • Surgical Pathology

Background:

  • Meckel's diverticulum is the most frequent congenital anomaly of the gastrointestinal tract, occurring in approximately 4% of the population.
  • It is typically situated on the antimesenteric border of the ileum, within 100 cm of the ileocecal valve.
  • Potential complications include hemorrhage, bowel obstruction, diverticulitis, perforation, and malignancy.

Observation:

  • A 40-year-old male presented with acute abdominal pain.
  • CT imaging indicated small bowel intussusception, potentially caused by a Meckel's diverticulum or polyp.
  • Intraoperative findings revealed an inflamed outpouching on the mesenteric border of the ileum with a palpable intraluminal mass.

Findings:

  • Histopathological analysis confirmed an inflamed Meckel's diverticulum.
  • An adjacent diverticulum containing a benign polyp was also identified.
  • The patient underwent a 70 mm small bowel resection and primary anastomosis.

Implications:

  • This case underscores the importance of considering Meckel's diverticulum as a lead point for intussusception in adults.
  • The co-occurrence of a Meckel's diverticulum and a benign polyp as a cause of intussusception is noteworthy.
  • Prompt surgical intervention is crucial for managing such gastrointestinal complications.
Keywords:
gastrointestinal systemgeneral surgerysmall intestine

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