Table 4: MRI classification criteria for lesion types.

Lesion typeMRI criteria

I/IINormal wall appearance without thickening
IIIEccentric thickening without core or calcification
IV/VLesion with necrotic core
VIComplicated lesion with IPH, fibrous cap rupture, and/or surface thrombus
VIICalcified lesion
VIIIFibrous lesion