Large gallstone impaction at a Meckel's diverticulum causing perforation and localized peritonitis: report of a case
William Maclean1, Karoly Szentpáli2
1General Surgery, Royal Hampshire County Hospital, Winchester, UK william.maclean@doctors.org.uk.
Abstract:
We are reporting a successful laparoscopic resection of a perforated Meckel's Diverticulum (MD) causing localized peritonitis due to an impacted gallstone. MD is a small benign pouch on the wall of the small intestine that is present in ∼2% of the population. It results from a failure of complete obliteration of the omphalomesenteric duct. MD is mainly lined by ileal mucosa; however, other ectopic tissue types can be found including gastric, duodenal, colonic, pancreatic, Brunner's glands, hepatobiliary tissue and endometrial mucosa. Most reported complications include bleeding, infection and obstruction. With relevance to this report, we can find no more than two reports of a large gallstone impacting the neck of the MD and causing ileus, and we were unable to find any reports that mention perforation due to impaction at the neck of an MD.
Insights
This report details a rare case of a perforated Meckel
Area of Science:
- Gastroenterology and Surgical Innovation
Background:
- Meckel's Diverticulum (MD) is a congenital anomaly of the small intestine, typically presenting with complications like bleeding, obstruction, or infection.
- While ectopic tissues can be found in MDs, complications arising from impacted gallstones are exceptionally rare.
Observation:
- A case of localized peritonitis was observed, stemming from a perforated Meckel's Diverticulum.
- The perforation was caused by a large gallstone impacted at the neck of the Meckel's Diverticulum, a previously unreported mechanism.
Findings:
- Successful laparoscopic resection of the perforated Meckel's Diverticulum was performed.
- This case represents a unique presentation of Meckel's Diverticulum complication, distinct from previously documented instances of gallstone impaction causing ileus.
Implications:
- Highlights the potential for unusual presentations of Meckel's Diverticulum, including perforation due to gallstone impaction.
- Suggests the need for considering Meckel's Diverticulum in the differential diagnosis of abdominal emergencies, even with atypical etiologies.
- Demonstrates the efficacy of laparoscopic surgery for managing such rare gastrointestinal emergencies.
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