Diagnoses

• Appendicitis
• Intestinal obstruction
• Intestinal perforation
• Diverticulosis
• Diverticulitis
• Colorectal cancer
• IBD
• IBS
• Coeliac disease
• Hernia

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Xray, USS, CT, scope/biopsy

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Appendix

either USS or CT, compare cost/radiation with reward of CT

USS: 69% sensitive, 81% specific

CT: 94-98% sensitive, 97% specific