Esophagus
Nonneoplastic disorders
Atypical regenerative hyperplasia


Topic Completed: 1 November 2012

Revised: 14 February 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: Atypical regenerative hyperplasia esophageal


Elliot Weisenberg, M.D.
Page views in 2018: 1,021
Page views in 2019 to date: 713
Cite this page: Weisenberg E. Atypical regenerative hyperplasia. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/esophagusatypicalregenhyperplasia.html. Accessed July 18th, 2019.
Definition / general
  • Associated with chronic esophagitis, not neoplasia
Terminology
  • Also called reactive hyperplasia, pseudoepitheliomatous hyperplasia
Microscopic (histologic) description
  • Architectural uniformity of immature and relatively monotonous sized small / medium keratinocytes mixed with inflammatory cells
  • Pleomorphism and atypia are common in keratinocytes and endothelial cells
  • Also mitotic figures
  • No cytoarchitectural pleomorphism, no desmoplasia
Microscopic (histologic) images

Images hosted on other servers:

Squamous cell
carcinoma vs.
atypical regenerative
hyperplasia

Various images

Differential diagnosis
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