Fig. 1.
Cross-sectional images of virtual histology (VH) intravascular ultrasound (IVUS) from distal to proximal within a same lesion in A (patient with NR) and B (patient with PR). VH-IVUS images in patient with PR (B) shows large amount of necrotic core area throughout the entire lesion length. EEM: external elastic membrane, CSA: cross sectional area.
