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SCI Article

Non-contrast magnetic resonance imaging for bladder cancer: fused high b value diffusion-weighted im
Author 신수진 (Dept Pathol);
Corresponding Author Info Park, SY (reprint author), Yonsei Univ, Coll Med, Dept Radiol, 50 Yonsei Ro, Seoul 120752, South Korea.
E-mail 씠硫붿씪 븘씠肄yoonio@yuhs.ac
Document Type Article
Source EUROPEAN RADIOLOGY Volume:27 Issue:9 Pages:3752-3758 Published:2017
Times Cited 0
External Information PDF 븘씠肄http://dx.doi.org/10.1007/s00330-017-4759-2
Abstract To investigate the utility of fused high b value diffusion-weighted imaging (DWI) and T2-weighted imaging (T2WI) for evaluating depth of invasion in bladder cancer. We included 62 patients with magnetic resonance imaging (MRI) and surgically confirmed urothelial carcinoma in the urinary bladder. An experienced genitourinary radiologist analysed the depth of invasion (T stage 2 or aeyen2) using T2WI, DWI, T2WI plus DWI, and fused DWI and T2WI (fusion MRI). Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and accuracy were investigated. Area under the curve (AUC) was analysed to identify T stage aeyen2. The rate of patients with surgically confirmed T stage aeyen2 was 41.9% (26/62). Sensitivity, specificity, PPV, NPV and accuracy were 50.0%, 55.6%, 44.8%, 60.6% and 53.2%, respectively, with T2WI; 57.7%, 77.8%, 65.2%, 71.8% and 69.4%, respectively, with DWI; 65.4%, 80.6%, 70.8%, 76.3% and 74.2%, respectively, with T2WI plus DWI and 80.8%, 77.8%, 72.4%, 84.9% and 79.0%, respectively, with fusion MRI. AUC was 0.528 with T2WI, 0.677 with DWI, 0.730 with T2WI plus DWI and 0.793 with fusion MRI for T stage aeyen2. Fused high b value DWI and T2WI may be a promising non-contrast MRI technique for assessing depth of invasion in bladder cancer. aEuro cent Accuracy of fusion MRI was 79.0% for T stage aeyen2 in bladder cancer. aEuro cent AUC of fusion MRI was 0.793 for T stage aeyen2 in bladder cancer. aEuro cent Diagnostic performance of fusion MRI was comparable with T2WI plus DWI. aEuro cent As a non-contrast MRI technique, fusion MRI is useful for bladder cancer.
Web of Science Categories Radiology, Nuclear Medicine & Medical Imaging
Funding
Language English
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