Figure 2.

An APTw image example with excellent lesion image quality. A round lesion was found in the right parotid gland of a 65-yearold male, as shown on T2WI (A). The corresponding APTw image of the same slice is shown in (B). The image quality for this APTw map in terms of integrity and hyperintensity artifacts on the lesion was scored as 4 and 4, respectively. The lesion was considered as being in the trustable group. The average APTw value of the lesion was 1.94% for the ROI_w2, drawn avoiding surrounding hyperintensity artifacts in the ROI_w1. The arrows mean APTw values in ROI.