Lymph nodes & spleen, nonlymphoid
Lymph nodes-inclusions, pigment, ectopic cells or tissue
Squamous epithelium

Topic Completed: 1 July 2013

Minor changes: 4 July 2020

Revised: 1 February 2019, last major update July 2013

Copyright: 2003-2020,, Inc.

PubMed Search: Squamous epithelium inclusions lymph nodes

Page views in 2019: 452
Page views in 2020 to date: 263
Cite this page: DePond W. Squamous epithelium. website. Accessed August 7th, 2020.
Definition / general
  • Also called lymphoepithelial cyst
  • Most common in upper cervical nodes
  • Depending on location, may be a branchial pouch derivative or derive from metaplastic calyceal urothelium (Hum Pathol 1990;21:1239)
Case reports
Microscopic (histologic) description
  • Small cystic structures lined by well differentiated squamous epithelium
Microscopic (histologic) images

Images hosted on other servers:
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Intranodal cystic
epithelial inclusions
in breast node

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Axillary intranodal
cyst (figure 1: H&E,
inset CK5/6; 2: p63)

Differential diagnosis
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