MRCS Knowledge: Meckels Diverticulum
24/09/14 20:28 Filed in: MRCS Knowledge
MRCS Part B Knowledge: Meckel’s Diverticulum
Today’s MRCS Knowledge short notes are on Meckel’s Diverticulum.
Background
Ileal remnant of the vitellointestinal duct
Contains ectropic gastric or pancreatic mucosa
Aetiology
Rule of 2s:
• 2% population affected
• 2 inches long
• 2 feet proximal to ileocaecal valve (on anti-mesenteric border)
• 2% are symptomatic
• 2 years of age at presentation
Signs and Symptoms
• Most are asymptomatic
• Severe rectal bleeding
• May present as intussusception/volvulus or diverticulitis
Investigations
- Technetium scan: increased uptake by ectropic gastric mucosa in 70% of cases
Management
Open or laparoscopic surgical resection in symptomatic cases.
Prognosis
Complications: haemorrhage, obstruction, diverticulitis
Further Info:
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