WHO / ISUP classification

Author: Sean Williamson, M.D. (see Authors page)

Revised: 8 September 2017, last major update June 2012

Copyright: (c) 2002-2017, PathologyOutlines.com, Inc.

PubMed Search: Ureters dysplasia "loattrfree full text"[sb]

Cite this page: Williamson, S. Dysplasia. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/uretersdysplasia.html. Accessed July 21st, 2018.
Definition / general
  • Also known as low grade intraurothelial neoplasia (LG IUN)
  • Low interobserver agreement on diagnosis, even among experts
Microscopic (histologic) description
  • Appreciable cytologic and architectural changes indicative of neoplasia but less than CIS