Ovary tumor
Brenner tumors
Malignant Brenner tumor

Authors: Shahrzad Ehdaivand, M.D. (see Authors page)

Revised: 27 May 2016, last major update December 2012

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.

PubMed Search: ovarian malignant Brenner tumor
Definition / General
  • Atypical cytology and stromal invasion
  • May be bilateral
  • Better prognosis than urothelial (transitional cell) carcinoma
Gross Images

Images hosted on PathOut server:

Soft tan areas with small cysts, firm white areas

Solid nodules

Micro Description
  • Resembles urothelial, squamous or undifferentiated carcinoma, but associated with benign or borderline Brenner component; stromal invasion is present
Micro Images

Images hosted on PathOut server:

Malignant transitional cells invade cyst wall

Two benign Brenner nests

Early squamous differentiation



Images hosted on other servers:

Various images