Crohn's Disease: Investigation

Key points

• Crohn's disease is a form of inflammatory bowel disease. It commonly affects the terminal ileum and colon but may be seen anywhere from the mouth to anus Bloods
• C-reactive protein correlates well with disease activity Endoscopy
• colonoscopy is the investigation of choice
• features suggest of Crohn's include deep ulcers, skip lesions Histology
• inflammation in all layers from mucosa to serosa