Placental gross / microscopic abnormalities, nonneoplastic
Squamous metaplasia

Topic Completed: 1 October 2011

Revised: 18 February 2019

Copyright: 2002-2019,, Inc.

PubMed Search: Placental squamous metaplasia

Mandolin S. Ziadie, M.D.
Page views in 2018: 703
Page views in 2019 to date: 673
Cite this page: Ziadie MS. Squamous metaplasia. website. Accessed September 22nd, 2019.
Definition / general
  • Common, nonsignificant finding in placentas
Gross description
  • Small, pale plaques on fetal surface and umbilical cord
  • Differential diagnosis includes amnion nodosum, a pathologic condition
Microscopic (histologic) description
  • Squamous metaplasia of amnionic epithelium
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