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frequency of occurrence of #Meckel’s diverticulum & 8/2 Rule :Location on the ileum

Meckel’s #diverticulum is the most common congenital defect of the GI tract and is a result of incomplete obliteration of the vitelline duct of the umbilical cord. When present, Meckel’s diverticulum arises from the antimesenteric surface of the ileum approximately 40 cm from the ileocecal valve in infants and approximately 50 cm from the valve in adults; it may be less than 15 cm or as much as 167 cm from the valve (Fig. 10.5). Not less than 2 m of ileum should be inspected to ascertain that a diverticulum has not been overlooked. The diverticulum may be as short as 1 cm or as long as 26 cm. In 75% of individuals, the diverticulum will be <5 cm; the rest will be longer.frequency of occurrence of #Meckel’s diverticulum & 8/2 Rule :Location on the ileum
•Meckel’s diverticulum is often referred to by the 𝗿𝘂𝗹𝗲 𝗼𝗳 𝘁𝘄𝗼 (𝗧𝗵𝗲𝗿𝗲 𝗮𝗿𝗲 8 𝗶𝗻 𝗿𝘂𝗹𝗲 𝗼𝗳 𝘁𝘄𝗼); 𝗜-Occurs in 2% of the population, 𝗜𝗜-2% are symptomatic, 𝗜𝗜𝗜-twice as common in males, 𝗜𝗩-occurs usually within 2 feet of the ileocecal valve, 𝗩-average of 2 inches in length, 𝗩𝗜-two types of heterotopic mucosa (gastric and pancreatic), 𝗩𝗜𝗜-and symptomatic presentation is often before the age of two, 𝗩𝗜𝗜𝗜
𝗥𝗲𝗳: Surgical Anatomy & technique 5th ed.

Yaggnik, V.D. and Dawka, S. (2019), Mesenteric Meckel’s diverticulum: an intra-abdominal surprise. ANZ Journal of Surgery, 89: 1516-1518.


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