MKI67 and glioma: Of the total 23 gliomas (Grade II: n = 6, Grade III: n = 7, and Grade IV: n = 10), the APTtumor values measured by APTw images with the SENSE factor of 1.6 and the CS factor of 2, 3, and 4 (except for CS5) were all positively correlated with Ki67 (Table 8).