| PubMed abstracts | Selected abstracts on urothelial neoplasms cytology and related topics | |
| Amer J Surg Pathol 22:1435-1447,1998 | WHO/ISUP Consensus classification | |
| UrothelHome | WHO/ISUP Consensus classification Tutorial Website: click on Flat lesions | |
| T Jefferson U. | A CD-ROM on Urinary cytology | |
| WebPathology slide atlas | Slides for urinary bladder | |
| eMedicine | Carcinoma in situ of the urinary bladder | |
| PathMax | Cytopathology links of interest | |