PMC9225889_01
Cystoscopic images showing patches of melanosis of the bladder.
CRIU2022-6221499.001.jpg
PMC9225889_01_CRIU2022-6221499.001.jpg
fig1
Flexible cystoscopy and subsequent GA cystoscopy revealed a normal urethra and a large-capacity bladder with dark-staining patches throughout (Figure 1), but sparing the trigone; there was no evidence of tumour.