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Updated: Mar 1, 2026
Multimodality Diagnosis of Mesenteric Ischemia
Published on: July 21, 2023
Meckel's diverticulum - a congenital defect of the gastrointestinal tract underestimated in differential diagnostics.
Jolanta Pietrzak1, Anna Obuchowicz1, Dariusz Majda2
1Department of Paediatrics in Bytom, School of Health Sciences in Katowice, Medical University of Silesia, Katowice, Poland.
Abstract:
Meckel's diverticulum is a vestigial remnant of the omphalomesenteric duct. It is the most frequent defect of the gastrointestinal tract and is present in approx. 2% of the population: more often in boys than in girls, at a 3:1 ratio. Meckel's diverticulum causes clinical symptoms only in 4-6% of individuals. It is situated approximately 60-100 cm away from the Bauhin's valve. The wall of Meckel's diverticulum consists of all layers typical of the small intestine. It is usually approx. 2-3 cm long, but it can reach lengths of over 10 centimetres. It is usually set on a narrow base. Related symptoms usually occur by the 2nd-3rd year of life and have an acute character. They may occur in older children, which must be remembered in differential diagnosis. An example can be the case of an 8.5-year-old boy with symptoms indicating obstruction of the gastrointestinal tract in which a large, atypically accreted and partly twisted Meckel's diverticulum was found with strangulation of the small intestine between the diverticulum and the mesentery.
Insights
Meckel's diverticulum, a common gastrointestinal defect, arises from the omphalomesenteric duct. While often asymptomatic, it can cause acute symptoms like obstruction, particularly in young children.
Area of Science:
- Gastroenterology
- Pediatric Surgery
Background:
- Meckel's diverticulum is the most common congenital malformation of the gastrointestinal tract, affecting approximately 2% of the population.
- It represents a remnant of the omphalomesenteric duct and is more prevalent in males (3:1 ratio).
Observation:
- Clinical symptoms manifest in only 4-6% of individuals with Meckel's diverticulum.
- Symptoms typically appear by 2-3 years of age but can occur in older children, necessitating consideration in differential diagnoses.
- A case highlights a large, atypical Meckel's diverticulum causing small intestine strangulation in an 8.5-year-old boy.
Findings:
- The diverticulum's wall contains all layers of the small intestine and is typically 2-3 cm long, though it can exceed 10 cm.
- It is usually attached by a narrow base and located 60-100 cm from the Bauhin's valve.
- Complications can include acute symptoms such as gastrointestinal obstruction and strangulation.
Implications:
- Early recognition of Meckel's diverticulum is crucial for timely diagnosis and management of gastrointestinal issues.
- Understanding its varied presentation is vital for pediatricians and surgeons, especially in cases of unexplained abdominal symptoms.
- This condition underscores the importance of considering congenital anomalies in the differential diagnosis of pediatric surgical emergencies.
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