Role of whole-body MRI for treatment response assessment in multiple myeloma: comparison between clinical response and imaging response

Table 1 WB-MRI sequence parameters

	T2 Coronal	T1 Coronal	T2 Sagittal	T1 Sagittal	DWI Coronal	T1 Coronal	T1 Axial	T1 Sagittal	T1 Axial brain
Contrast^b	No	No	No	No	No	Yes	Yes	Yes	Yes
Anatomic coverage	Whole body^a	Whole body	Whole spine (C, T, L spine)	Whole spine (C, T, L spine)	Torso^c	Whole body^a	Torso^c	Whole spine (C, T, L spine)	Brain
Sequences	2D, FS, TSE	3D, VIBE	2D, TSE	2D, TSE	2D EPI	3D VIBE	3D VIBE	2D, TSE	2D spin-echo
TE (ms)	91	1.4	77	10	63	1.3	1.3	10	9.6
TR (ms)	5260	3.1	3610	520	4500	4.4	4.0	520	500
Flip angle (°)	130	9.0	150	120	90	13.0	9.0	120	70
Echo train length	17	1	17	4	41	1	2	4	1
Number of slices	55	55	20	20	100	55	280	20	20
Slice thickness (mm)	5	5	3.9	3.9	2.5	5	3	3.9	5

^aWhole-body ranges from cranial vertex to feet
^bContrast enhancement is performed under clinicians’ approval only when the renal function is within normal range
^cTorso includes neck, chest, abdomen, and pelvis
Abbreviations: DWI = diffusion weighted imaging; FS = fat suppression; TSE = turbo spin echo; VIBE = volumetric interpolated breath-hold examination; EPI = echo-planar image

ISSN: 1470-7330