Fallopian tubes
Benign or nonneoplastic conditions
Epithelial Hyperplasia

Author: Nicole Riddle, M.D. (see Authors page)
Editor: Jamie Shutter, M.D.

Revised: 6 July 2018, last major update April 2013

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

PubMed Search: Fallopian tubes Epithelial Hyperplasia

Cite this page: Riddle, N. Epithelial Hyperplasia. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/fallopiantubesepithelialhyper.html. Accessed November 12th, 2018.
  • Hyperplasia of tubal epithelium, variable atypia
  • Also known as pseudocarcinomatous hyperplasia
Clinical features
  • Often incidental finding
Gross description
  • No specific gross findings
Microscopic (histologic) description
  • Papillary, gland-like or cribriform patterns, lined by epithelial cells with mild to moderate nuclear pleomorphism, loss of polarity, stratification, crowding, hyperchromasia and scattered mitotic figures; no invasion
  • May be associated with severe inflammation and scarring mimicking adenocarcinoma
Microscopic (histologic) images

Images hosted on PathOut servers

Unknown cause

Clear cell hyperplasia of pregnancy

Differential diagnosis
  • Carcinoma: typically grossly evident, older age, solid epithelial proliferation, brisk mitotic activity, severe atypia, possible invasion