METRIC (MREnterography or ulTRasound in Crohn’s disease): a study protocol for a multicentre, non-randomised, single-arm, prospective comparison study of magnetic resonance enterography and small bowel ultrasound compared to a reference standard in those aged 16 and over

Table 1 MRE protocol outlining the minimum and optional MRI sequences that may be performed

Minimum	Coronal true FISP
	Buscopan-20 mg IV
	Axial and coronal non Fat Sat HASTE
	Coronal Fat Sat HASTE
	Axial diffusion b values 50 and 600
	Coronal pre and post gadolinium T1 (60–70 sec)
Optional	Axial True FISP
	Axial Fat Sat HASTE
	Axial post gadolinium T1
	True FIP dynamic Motility

ISSN: 1471-230X