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The relation between apparent diffusion coefficient and clinical stage of clear-cell renal cell carcinoma
Tomonori Nakamura1, Takeshi Yoshizako1, Hisayoshi Araki1
1Department of Radiology, Shimane University Faculty of Medicine, P.O. Box 00693-8501, 89-1 Enya, Izumo, Japan.
Purpose:
The utility of the apparent diffusion coefficient (ADC) in patients with clear-cell renal cell carcinoma (RCC) for distinguishing between the four clinical stages was assessed.
Methods:
Forty-nine patients with pathologically proven RCCs (I, II, III, IV; 27, 5, 10, 7) were included. The ADC was compared between each stage.
Results:
The difference of ADC between stage I and the more advanced stages (III and IV) was statistically significant.
Conclusions:
When ADC in primary tumor site of clear-cell RCC would be higher than the cutoff level, the stage might not be an advanced stage (III or IV).
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