Meckel's Diverticulum

Question 1

What is Meckel’s diverticulum?

Answer 1

• = Congenital intestinal diverticulum

Question 2

Pathophys of Meckel’s diverticulum?

Answer 2

• Failure of the omphalomesenteric duct (vitello-intestinal duct) to obliterate
• Leading to heterotopic gastric tissue (pancreatic tissue and gastric tissue)
• It is a true diverticulum, including all layers of the small intestine.

Question 3

What is the Rule of 2’s re: Meckel’s?

Answer 3

• Most common in children < 2 years of age
• 2 times more common in males
• 2 types of tissue - mostly (pancreatic and gastric)
• 2 inches long
• Found within 2 feet of the ileocaecal valve
• Occurs in 2% of the population

Question 4

Possible complications with Meckel’s

Answer 4

• Intestinal obstruction
• Diverticulitis
• Perforation

Question 5

Ix of choice for Meckel’s

Answer 5

• Meckel scintigraphy to detect ectopic gastric tissue

Question 6

Usually presentation of Meckel’s

Answer 6

• Asymptomaticmostly

• Rectal bleeding (usually painless)
  
  • Melaena/haematochezia
  • Most common
  • Self-limiting, bright red