Copyright ©2014 Baishideng Publishing Group Inc.
World J Radiol. Jun 28, 2014; 6(6): 344-354
Published online Jun 28, 2014. doi: 10.4329/wjr.v6.i6.344
Figure 3
Figure 3 Magnetic resonance images of a 63-year-old man with non-muscle-invasive bladder cancer (urothelial cancer, stage pT1, grade 2 > 3). A: T2WI shows a large papillary tumor on the left bladder wall; B: DW-MRI displays a C-shaped high-signal tumor with a low-signal-intensity stalk connecting to the bladder wall. This C-shaped high signal is known as an “inchworm sign”, which is a criterion for T staging in non-muscle-invasive bladder cancer (stage cT1 or less). DW-MRI: Diffusion-weighted magnetic resonance imaging.