期刊
CLINICAL IMAGING
卷 40, 期 3, 页码 563-568出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.clinimag.2015.12.006
关键词
Rectal cancer; Magnetic resonance image; Diffusion-weighted imaging; T stage; Prognosis
Purpose: To assess the ability of diffusion-weighted imaging (DWI) for evaluating T stage and correlation with histological T stage of rectal cancer. Method: The diagnostic accuracy, sensitivity, and specificity of T2WI and DWI combined with T2WI for T stage were evaluated. Mean tumor apparent diffusion coefficient (ADC) was compared with histological T stage. Result: There were no significant differences in the diagnostic accuracy, sensitivity, and specificity no matter what kind of T stage was concerned. The difference between ADC values and histological T stage were significantly different. Conclusion: DWI was useful for evaluating T stage of rectal cancer. The ADC may predict the histological grade. (C) 2016 Elsevier Inc. All rights reserved.
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