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The value of diagnosis and differential diagnosis of gallbladder wall thickening diseases with DWI / 实用放射学杂志
Journal of Practical Radiology ; (12): 1209-1212, 2017.
Article in Chinese | WPRIM | ID: wpr-608947
ABSTRACT
Objective To evaluate the usefulness of diffusion-weighted imaging(DWI) in the diagnosis and differential diagnosis of gallbladder wall thickening diseases.Methods 42 patients with gallbladder wall thickening (16 patients with carcinoma and 26 patients with benign lesion) were included in this study.All patients performed conventional MRI and DWI.The diagnostic performances of three methods (conventional MRI,visual assessment of color fusion image from DWI and T2WI,and ADC measurement) were evaluated by two radiologists.Results The area under the receiver operating characteristic curve were 0.570,0.849,0.901 for conventional MRI,visual assessment and ADC measurement respectively.The accuracy,sensitivity and specificity were 59.5%,62.5%,57.7% for conventional MRI,85.7%,81.2%,88.5% for visual assessment of color fusion image,and 83.3%,80.0%,85.2% for ADC measurement,respectivily.The mean ADC value of gallbladder cacinoma[(1.15±0.35)×10-3mm2/s]was significantly less than that of gallbladder benign lesion [(1.99±0.61)×10-3mm2/s](P<0.01).Conclusion The DWI(visual assessment of color fusion image and ADC measurement)might be a useful tool for diagnosis and differential diagnosis of the gallbladder wall thickening diseases.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Journal of Practical Radiology Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Journal of Practical Radiology Year: 2017 Type: Article