MKI67 and central nervous system cancer: In this study, the relationship between APT value and the positive expression rate of Ki67 was analyzed and results showed that APTtumor values of gliomas 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 (p < 0.05).