<prompt> False about Meckels diverticulumSupplied by omphalomesentric artery, ileal branch of Superior mesenteric arteryMost common ectopic mucosa is gastric originUsually found in the mesenteric border of the ileumDistance from the ileo-caecal valve depends on the age of the patient  <response>: Answer: c Usually found in the mesenteric border of the ileum BAILEY 26TH ED, P-1169MECKELS DIVERTICULUMMost common congenital anomaly of the GITTrue diverticulum contains all the 3 layers of intestineAlmost always situated at the anti-mesenteric border of small intestine 50-75 cm from the ileocaecal valveRepresents the patent intestinal end of the Vitellointestinal omphalomesenteric ductReceives its blood supply from vitelline omphalomesenteric artery originating directly from the SMA or from an ileal branch close to its origin from the SMA60 contains heterotopic mucosa mc-gastric mucosa; pancreatic acini - next most commonRule of 2: 2 incidence; 2 inches 5 cm in length; 2 feet proximal to ileo-caecal valve, 2 times common in males, 50 symptomatic by age 2 yearsBecause of lengthening of intestines during growth, they are located at a greater distance from the ileo-caecal valve in adults than in childrenMeckels diverticulum should be looked for when a normal appendix is found at surgery for suspected appendicitisLittres hernia - when the content of an inguinal or femoral hernia is Meckels diverticulumSymptomsPainless rectal bleeding or melena - most common presentation most likely cause in a child presenting with rectal bleeding and anemiaIntussusceptionMeckels diverticulitisChronic peptic ulcerationIntestinal obstructionComplicationMost common in children - bleedingMost common in adults - intestinal obstructionMost common neoplasm - carcinoidTechnetium-99m scanning is useful in identifying Meckels diverticulum as a source of Gl bleeding, is most accurateTreatment: Resection of diverticulum or the segment of intestine containing diverticulumIf silent Meckels diverticulum is found during the course of an operation, it can be left alone provided it is wide mouthed and not thickened. 