Last Updated on July 18, 2022
Introduction
Normal bowel diameter — 3-6-9 rule
• Small bowel <3 cm
• Large bowel / Appendix <6 cm
• Caecum <9 cm
Common Findings
Bowel dilatation
High risk of rupture if:
• Small bowel >6 cm
• Large bowel >9 cm
• Caecum >12 cm
Small Bowel Obstruction | Large Bowel Obstruction |
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