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Solitary jejunal diverticulum: a rare unexpected cause of chronic pneumoperitoneum

M Fouad1, B Appleton1, T Young1

  • 1Cwm Taf Morgannwg University Health Board, UK.

Annals of the Royal College of Surgeons of England
|November 30, 2021
PubMed

Insights

Jejunal diverticula, rare herniations, can cause chronic pneumoperitoneum. This case highlights an isolated jejunal diverticulum as an unusual cause of aseptic pneumoperitoneum.

Area of Science:

  • Gastroenterology
  • Radiology

Background:

  • Jejunal diverticula are uncommon acquired outpouchings of the intestinal wall.
  • While often asymptomatic, they can lead to abdominal complications and acute abdomen.
  • Chronic pneumoperitoneum is typically associated with other causes, not jejunal diverticula.

Observation:

  • A case of isolated jejunal diverticulum was identified.
  • The patient presented with aseptic chronic pneumoperitoneum.
  • Computed tomography revealed intestinal changes and free air.

Findings:

  • An isolated jejunal diverticulum was diagnosed as the cause of aseptic chronic pneumoperitoneum.
  • This challenges the typical understanding of pneumoperitoneum etiologies.
  • Radiological diagnosis requires a high index of suspicion.

Implications:

  • Highlights a rare cause of chronic pneumoperitoneum.
  • Emphasizes the importance of considering jejunal diverticula in differential diagnosis.
  • May influence diagnostic approaches for unexplained pneumoperitoneum.
Keywords:
Intestinal perforationsJejunal diseasePneumoperitoneumUnexpected

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