Patient selection: luminal Crohn's disease
Types of remission:
(1) radiographic
(2) symptomatic
(3) endoscopic
(4) complete
Radiographic remission: absence of detectable disease activity on CT enterography, magnetic resonance enterography or small bowel ultrasound
Symptomatic remission - both of the following:
(1) absence of signs and symptoms attributable to Crohn's disease
(2) without need for corticosteroids
Endoscopic remission: absence of ulcerations
Complete remission - both of the following:
(1) symptomatic remission
(2) one or both of the following:
(2a) radiographic remission
(2b) endoscopic remission
In addition, there is a category for symptomatic response, when there is a symptomatic improvement in signs and symptoms without remission.
