Table 1 Imaging tests in small bowel Crohn's disease.

Modality	Fistula	Abscess	Stricture	Inflammation
SBFT or SBE	++	−	++	++
Colonoscopy	+	−	++	++
MRI	++	++	++	++
WCE	−	−	+	++
US	+	+	+	++
CT enteroclysis	++	++	++	++
Double balloon enteroscopy	−	−	+	++

SBFT, small bowel follow through; SBE, small bowel enteroclysis; MRI, magnetic resonance imaging; WCE, wireless capsule endoscopy; US, ultrasound; CT, computed tomography.

−, not reliable; +, somewhat or potentially useful; ++, generally reliable.