Meckel's diverticulum

Question 1

What is it?

Answer 1

a congenital diverticulum of the small intestine

it is a remnant of the omphalomesenteric duct (also called the vitellointestinal duct) and contains ectopic ileal, gastric or pancreatic mucosa.
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Question 2

rules of 2s

Answer 2

occurs in 2% of the population
is 2 feet from the ileocaecal valve
is 2 inches long

Question 3

what is the presentation like?

Answer 3

1. abdominal pain mimicking appendicitis
2. rectal bleeding

Meckel’s diverticulum is the most common cause of painless massive GI bleeding requiring a transfusion in children between the ages of 1 and 2 years

3. intestinal obstruction

secondary to an omphalomesenteric band (most commonly), volvulus and intussusception

Question 4

Ix

Answer 4

Meckels scan if pt is haemodynamically stable

mesenteric arteriography - severe cases

Question 5

Mx

Answer 5

removal if narrow neck or symptomatic