Inverted Urothelial (Transitional Cell) Carcinoma
Grading / Staging
Grading
- Usual rules apply, see Papillary Carcinoma criteria
Staging
- Presence of an inverted component is not considered submucosal invasion
- Although non-invasive papillary urothelial neoplasms are technically in situ, they are staged as Ta and are not referred to as carcinoma in situ
