Other Known Aliases – none
Definition – Vestigial remnant of the omphalomesenteric duct
Clinical Significance – It is the most common malformation in the GI tract and is mainly asymptomatic. When symptoms do occur, it commonly presents as painless, rectal bleeding in children. The “Rule of 2s” will help you remember the facts of this pathology:
- Effects 2% of the population
- 2% of these will be symptomatic by age 2
- 2 types of heterotopic tissue
- Boy-to-girl ratio is 2:1
- Usually 2″ in length
- 2′ from the ileocecal valve
History – Named after Johann Friedrich Meckel, the Younger (1781-1833), who was born into a prestigious medical family, with his father and grandfather already prolific physicians and professors of medicine in Halle, Prussia. He made tremendous advancements in the area of anatomy and embryonic development with special attention to birth defects and abnormalities, where he pioneered the early study of teratology. He first described the abnormality which bears his name in 1809.
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