Current role of capsule endoscopy in Crohn’s disease

Table 1 Capsule endoscopy Crohn’s disease activity index

Inflammation score

0: None

1: Mild to moderate edema/hyperemia/denudation

2: Severe edema/hyperemia/denudation

3: Bleeding, exudate, aphtha, erosion, small ulcer (< 0.5 cm)

4: Moderate ulcer (0.5-2 cm), pseudopolyp

5: Large ulcer (> 2 cm)

Disease extension score

0: No disease - normal exploration

1: Focal disease (single segment involvement)

2: Patchy disease (2-3 segments involved)

3: Diffuse disease (> 3 segments involved)

Stricturing score

0: None

1: Single - passed

2: Multiple - passed

3: Obstructing (not passed)

Segmentary score (proximal or distal): (A × B) + C

Total score: Proximal [(A × B) + C)] + distal [(A × B) + C]