【Objective】To evaluate the relationship between apparent diffusion coefficient(ADC)and histopathological differentiation of clear cell renal cell carcinoma(CCRCC).【Methods】In this retrospective analysis,we investigated 63 patients with CCRCC confirmed by pathology. 63 patients who had were grouped according to the Fuhrman pathological grading system,from Ⅰ to Ⅳ. Four grades were merged into three classifications consisting of well-differentiated CCRCC(ⅠandⅡ),moderatedly-differentiated CCRCC(Ⅲ)and poorly-dif...