Evaluating luminal and post-operative Crohn’s disease activity on magnetic resonance enterography: A review of radiological disease activity scores

Table 4 Comparison of imaging protocols between magnetic resonance imaging disease activity scores for luminal and post-operative Crohn’s disease[14,19-23,30,43]

MRE disease activity score	MaRIA[21]	Simplified MaRIA[19]	Nancy score[30]	London score[43]	CDMI[43]	Clermont score[22]	MEGS[14]	PICMI[19]	MREI[20]	C-score[21]	MR score1,2[22]	MONITOR Index1[23]
Oral contrast	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes2	Yes
Intravenous contrast3	Yes	No	Yes	Yes	Yes	No	Yes	No	Yes	No	Yes	Yes
DWI protocol	No	No	Yes	No	No	Yes	No	Yes	No	No	No	No

¹Specific to post-operative Crohn’s disease recurrence.

²Magnetic resonance enteroclysis.

³Gadolinium-based contrast.

MRE: Magnetic resonance enterography; MaRIA: Magnetic resonance index of activity; CDMI: Crohn’s disease magnetic resonance imaging index; MEGS: Magnetic resonance enterography global score; PICMI: Paediatric inflammatory Crohn’s magnetic resonance enterography index; MREI: Magnetic resonance enterography index; DWI: Diffusion-weighted imaging; C-score: Modified Clermont score; MR: Magnetic resonance; MONITOR: Magnetic resonance imaging in Crohn’s disease to predict postoperative recurrence.