Table 2.

T₂ measurements (mean ± SD) of arterial wall and plaque tissues

Study	Field strength	Num. of TEs	Num. of plaques	Location	LRNC [ms]	Fibrous tissue [ms]	Intima & media [ms]	Ref.
in-vivo	3 T	7	15	carotid	37 ± 5	56 ± 9	54 ± 13	*This study
in-vivo	1.5 T	2	7	carotid	28 ± 6	51 ± 10	48 ± 7	[16]
ex-vivo	1.5 T	2	7	carotid	31 ± 5	51 ± 9	52 ± 7	[16]
ex-vivo	1.5 T	8	10	carotid	47 ± 14	60 ± 13	67 ± 23	[17]
ex-vivo	1.5 T	4	10	carotid	84 ± 41	95 ± 32	60 ± 6	[18]
ex-vivo	9.4 T	7	3	carotid	35-49	48-60	72-76	[19]
ex-vivo	4.7 T	4	7	coronary	31 ± 7	55 ± 11	50 ± 10	[20]
ex-vivo	1.5 T	10	8	various	55 ± 3	79 ± 4	81 ± 3	[21]
ex-vivo	4.7 T	10	8	various	50 ± 3	63 ± 1	65 ± 2	[21]
ex-vivo	9.4 T	20	8	various	20 ± 3	30 ± 2	30 ± 3	[21]
ex-vivo	1.5 T	32	13	various	< 20	100-200	68 ± 10	[22]
ex-vivo	3 T	7	14	aorta/iliac	54 ± 3	89 ± 6	76 ± 9	[23]

*Fibrous tissue and normal arterial wall cannot be discriminated in-vivo by T₂ alone. This study measured the T₂ values of tunica intima and media in 14 normal arteries, while both fibrous tissue and normal arterial wall of the 15 atherosclerotic arteries were categorized together as fibrous tissue.