Cite this page: Roychowdhury M Flat lesions with atypia of unknown significance. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/bladderflatatypiaunknown.html. Accessed December 3rd, 2021.
Definition / general
- Atypia between reactive and dysplasia
- More pleomorphism and hyperchromasia than expected for the amount of inflammation present
- Recommend close follow up and reevaluation after inflammation subsides