Table 5

 Possible causes of small bowel bleeding

NSAID, non-steroidal anti-inflammatory drug.
• Angiodysplasia and vascular malformations
• NSAID enteropathy
• Erosive jejunitis
• Diverticulae
• Crohn’s disease
• Jejunal or ileal ulceration: idiopathic, NSAID induced, etc.
• Intussusception
• Small intestinal tumours (see table 4)
• Ischaemic enteropathy
• Graft versus host disease
• Cytomegalovirus infection
• Aortoenteric fistula
• Blue rubber bleb syndrome