The value of adding diffusion-weighted images for tumor detection and preoperative staging in renal pelvic carcinoma for the reader’s experience

The value of adding diffusion-weighted images for tumor detection and preoperative staging in... T2WI alone for preoperative T categorization by less- Purpose: This retrospective study aimed to assess the experienced reader and DWI could be used for preop- value of adding diffusion-weighted magnetic resonance erative T categorization and for predicting the imaging (DWI) or gadolinium-enhanced fat-suppressed histopathologic grade of renal pelvic carcinoma. T1WI (CEI) to T2-weighted imaging (T2WI) for preop- erative T categorization in renal pelvic carcinoma by the Key words: Renal pelvic carcinoma—Contrast-enhanced reader’s experience using surgical specimens as the imaging—ADC value—DWI—1.5T MRI—Urothelial reference standard. carcinoma Methods: Two radiologists (Reader 1; 3 years, 2; 13 years) reviewed 49 cases with urothelial carcinoma who underwent magnetic resonance imaging examina- Abbreviations tion before surgery, independently, using three image DWI Diffusion-weighted magnetic resonance sets: T2WI alone, T2WI plus DWI, and T2WI plus CEI imaging for tumor detection and T categorization. The differ- CEI Gadolinium-enhanced fat-suppressed ences in the apparent diffusion coefficient values between T1-weighted imaging tumors and renal parenchyma, histopathologic grade DCEI Dynamic contrast-enhanced imaging were analyzed. T2WI T2-weighted imaging Results: T2WI plus CEI or DWI had high detection rates MRI Magnetic resonance imaging (93.4%) compared to T2WI alone. When discriminating ADC Apparent diffusion coefficient T3a/T3b, for Reader 1, the use of T2WI plus http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Abdominal Radiology Springer Journals

The value of adding diffusion-weighted images for tumor detection and preoperative staging in renal pelvic carcinoma for the reader’s experience

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media New York
Subject
Medicine & Public Health; Imaging / Radiology; Gastroenterology; Hepatology
ISSN
2366-004X
eISSN
2366-0058
D.O.I.
10.1007/s00261-017-1116-5
Publisher site
See Article on Publisher Site

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