Age

18–80

Sex

ALL

Healthy volunteers

Not accepted

All consecutive patients at baseline scan with:
Confirmed or suspected Crohn's disease with small bowel involvement
Increased bowel wall thickness (\>3mm) of the terminal ileum
Suboptimal luminal distension of the terminal ileum 3cm proximal to ICV and 1cm proximal to diseased segment (defined as \<8mm)
All patients with an ileo-colic anastomosis

Use of Water Ingestion in Small Intestine Ultrasound