Meckel's diverticulitis

Meckel's diverticulitis

1. persistence of the omphalomesenteric duct

2. ectopic mucosa in 50%

   • gastric
   • pancreatic
   • colonic

3. 2s

   • 2% of the population
   • 2 inches long
   • 2 feet from terminal ileum
   • symptomatic before age 2
     • bleeding
     • diverticulitis
     • intussusception
     • malignancy
       • carcinoid
       • carcinoma
       • sarcoid
     • pain

4. imaging

   • Tc99m pertechnetate
     • sensitive and specific in children
     • identifies gastric mucosa
     • false +ve duplication cyst, AVM, hypervascular tumour, IBD, appendicitis, intussusception
     • false -ve ileal rotation, haemorrhage and rapid bowel transit
   • angiogram
     • identification of the vitalline artery is pathognomonic