http://www.fpnotebook.com/
Barium Enema
Aka: Barium Enema
- Efficacy
- Background
- Initially thought to identify 85-95% of Colon Cancer
- Recent evaluations suggest much lower sensitivity
- Test Sensitivity
- Adenoma <0.5 cm diameter: 32%
- Adenoma 0.6 to 1 cm diameter: 53%
- Adenoma >1 cm diameter: 48%
- Test Specificity: 48%
- References
- Winawer (2000) N Engl J Med 342:1766-72
- Advantages
- Costs 50% of Colonoscopy
- Adverse Effects
- Complication Rate 1:5000
- Disadvantages
- Poorly visualizes rectal area
- Best done in combination endoscopy
- Flexible Sigmoidoscopy
- Proctoscopy