Skip to main content
. Author manuscript; available in PMC: 2014 Feb 18.
Published in final edited form as: Arch Pathol Lab Med. 2013 Oct;137(10):1337–1341. doi: 10.5858/arpa.2012-0322-OA

Table 1.

Simplified WHO/ISUP 2004 histological classification of urothelial tumors

  • Noninvasive urothelial neoplasm

    • Papillary type

      • Urothelial papilloma, including inverted type

      • Papillary urothelial neoplasm of low malignant potential

      • Low-grade papillary urothelial carcinoma

      • High-grade papillary urothelial carcinoma

    • Nonpapillary type

      • Urothelial carcinoma in situ

  • Invasive urothelial carcinoma