Fallopian tubes
Benign or nonneoplastic conditions
Epithelial Hyperplasia


Topic Completed: 1 April 2013

Revised: 19 December 2018

Copyright: (c) 2002-2018, PathologyOutlines.com, Inc.

PubMed Search: Fallopian tubes Epithelial Hyperplasia

Nicole Riddle, M.D.
Jamie Shutter, M.D.
Page views in 2018: 1,833
Page views in 2019 to date: 1,070
Cite this page: Riddle N, Shutter J. Epithelial Hyperplasia. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/fallopiantubesepithelialhyper.html. Accessed July 22nd, 2019.
Definition / general
  • Hyperplasia of tubal epithelium, variable atypia
Terminology
  • Also known as pseudocarcinomatous hyperplasia
Epidemiology
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

AFIP images

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
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