Benign tumors
Pseudosarcomatous fibroepithelial stromal polyps

Author: Nat Pernick, M.D. (see Authors page)

Revised: 5 October 2017, last major update March 2003

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

PubMed Search: Pseudosarcomatous fibroepithelial stromal polyp

Page views in 2018: 629
Page views in 2019 to date: 36
Cite this page: Pernick, N. Pseudosarcomatous fibroepithelial stromal polyps. website. Accessed January 21st, 2019.
Definition / general
  • Resemble fibroepithelial stromal polyps of vagina, cervix and vulva but with bizarre morphology, frequent mitoses ( > 10/10 HPF), atypical mitotic figures or hypercellularity
  • Median age 32, range 16 - 75 years
  • Often in pregnant patients
  • May recur locally; no metastases
  • Positive margin status, which is common, apparently not associated with recurrence
Gross description
  • Often multiple lesions, particularly in pregnant women
Positive stains
Differential diagnosis