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Intraoperative Incidental Finding of Meckel's Diverticulum: A Report of Two Cases
Carmen Alhaddad1, Antoine S Geagea2, Sarah Muheiddine1
1General Surgery, Lebanese University Faculty of Medicine, Beirut, LBN.
Abstract:
Meckel's diverticulum (MD), a prevalent congenital gastrointestinal anomaly affecting about 2% of the population, arises from the incomplete closure of the vitelline duct. It encompasses all layers of the small intestine and can lead to various complications like obstruction, hemorrhage, and perforation. When symptomatic, it presents challenges in diagnosis due to the low sensitivity of imaging techniques. Comprehensive understanding and accurate diagnosis are crucial for managing the complications associated with MD and forming the scientific rationale for publishing this case report. We present two cases, one of them being the case of a 73-year-old male who presented for an ileostomy closure procedure. Intra-operatively, a 4.5 cm diverticulum was identified 10 cm from the stomatal opening on the efferent limb. This finding led to segmental resection of the intestines. Later, pathology was compatible with MD, which didn't contain any malignant cells or heterotopic tissue. The second case was that of a 40-year-old female who presented for severe abdominal pain, abdominal distention, and obstipation for two days. Radiographic imaging was suspicious of a foreign object compatible with fish bone with local inflammation in the small bowel. Laparoscopic exploration showed an inflamed MD with fish bone lodged inside. In front of an incidental MD, the decision to resect is still controversial. Those who are against resection of uncomplicated believe that complications from resecting an uncomplicated MD are higher than the complications that arise if resection is not performed. Those who support resection say that the complications that arise following the resection of a complicated MD are worse than those after resecting an incidental one. Criteria have been put in place to help guide the decision for resection.
Insights
Meckel's diverticulum (MD), a common congenital anomaly, can cause serious complications. This report details two cases, highlighting diagnostic challenges and the ongoing debate regarding surgical resection of incidental findings.
Area of Science:
- Gastroenterology
- Surgical Pathology
- Congenital Anomalies
Background:
- Meckel's diverticulum (MD) is a common congenital gastrointestinal anomaly resulting from incomplete vitelline duct closure.
- It involves all layers of the small intestine and can lead to complications such as obstruction, hemorrhage, and perforation.
- Accurate diagnosis of symptomatic MD is challenging due to low imaging sensitivity.
Observation:
- Case 1: A 73-year-old male undergoing ileostomy closure was found to have a 4.5 cm Meckel's diverticulum, leading to intestinal resection.
- Case 2: A 40-year-old female presented with severe abdominal symptoms; laparoscopic exploration revealed an inflamed MD with an impacted fish bone.
- These cases illustrate diverse presentations of Meckel's diverticulum.
Findings:
- Pathology confirmed Meckel's diverticulum in the first case, with no malignant cells or heterotopic tissue.
- The second case involved an inflamed Meckel's diverticulum complicated by a foreign body (fish bone).
- The management of incidental Meckel's diverticulum remains controversial, balancing risks of resection against potential complications.
Implications:
- The findings underscore the importance of considering Meckel's diverticulum in differential diagnoses for various gastrointestinal symptoms.
- The presented cases contribute to the discussion on surgical intervention criteria for both symptomatic and incidental Meckel's diverticula.
- Further research and established criteria are needed to guide optimal management strategies for Meckel's diverticulum.

