AHA n (%)
Type I-II: near normal thickness, no calcification 0 (0)
Type III: diffuse intimal thickening or small eccentric plaque with no calcification 1 (7)
Type IV-V: plaque with lipid or necrotic core surrounded by fibrous tissue with possible calcification 10 (65)
Type VI: complex plaque with possible disruption, haemorrhage or thrombus 1 (7)
Type VII: calcified plaque 2 (14)
Type VIII: fibrotic plaque without lipid core and with possible small calcifications 1 (7)