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- W2372011363 abstract "Objective To investigate the changes of ADC at different b values in pancreatic carcinoma,chronic mass-forming pancreatitis and normal pancreas,and to evaluate the optimal b value in differentiating diagnosis.Methods Diffusion-weighted imaging(DWI) was performed in 15 patients of pancreatic carcinoma(group Ⅰ),4 with chronic mass-forming pancreatitis(group Ⅱ) and 15 normal volunteers(group Ⅲ) with the b value of 333,667 and 1000 s/mm2,respectively.The ADC values of carcinous regions,inflammatory mass and normal pancreatic head were measured,and the difference of ADC(DADC) in different tissues of each patient was calculated.Results At the same b value,ADC value of carcinous regions was lower than those of inflammatory mass and normal pancreatic head.ADC values at three different b values in the same tissue were statistically different(P0.05).As the b value increased,the ADC value decreased,and in carcinous regions the decreased rates of ADC value were the lowest(15.66% and 5.19%).When b value was 333 and 667 s/mm2,ADC values of carcinous regions were statistically different from those of the inflammatory mass and normal pancreatic head(P0.05).There were statistically differences of DADC values between pancreatic carcinoma and chronic mass-forming pancreatitis,also between pancreatic carcinoma and normal pancreas detected at all three different b values(P0.05).When b value was 333 s/mm2,DADC values were significant higher than those detected at other two b values.Conclusion Smaller b value is helpful for differentiating diagnosis of pancreatic carcinoma and chronic mass-forming pancreatitis." @default.
- W2372011363 created "2016-06-24" @default.
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- W2372011363 date "2009-01-01" @default.
- W2372011363 modified "2023-09-26" @default.
- W2372011363 title "Different b values on DWI in differential diagnosis of pancreatic carcinoma and chronic mass-forming pancreatitis" @default.
- W2372011363 hasPublicationYear "2009" @default.
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