Objective To evaluate the application value of 3 main parameters of diffusion kurtosis imaging(DKI) in diagnosis of prostatic carcinoma in the peripheral zone.Methods Conventional MRI and DKI were performed in 40 patients with histological confirmed as prostatic carcinoma in the peripheral zone.The values of ADC,FA and MK were calculated in the patients' tumor center and normal areas of the peripheral zone,and compared by two samples t-test.ROC curve were carried out to analyze the ability of ADC,MK and FA ...