Conclusions—Our results lead to a 2-fold conclusion: (1) The classification system of both thickening pattern and
distribution of the lesion can be simplified by using distribution pattern only and (2) differentiation between symptomatic
and asymptomatic atherosclerotic lesions was possible using intracranial vessel wall imaging. (Stroke. 2016;47:
1
797-1802. DOI: 10.1161/STROKEAHA.116.013007.)