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. 2020 Dec;9(6):2890–2907. doi: 10.21037/tau-19-671

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2020 Translational Andrology and Urology. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

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Urothelial carcinoma (stage T1) in a 63-year-old man. Axial T2-weighted image (T2WI) (A) showing a small tumor in the bladder dome (arrow). In the diffusion-weighted image (DWI) with a high b value (B), the tumor shows markedly increased signal intensity (arrow). However, the localization of bladder tumors solely based on these images is difficult. The lesions located on the bladder dome are often not clearly visualized on axial images because of the persistence of partial volume artifacts. In such cases, coronal images (C, coronal T2WI; D, coronal DWI with high b value) are extremely helpful for tumor localization and T stage evaluation.