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, PathologyOutlines.com, Inc.

PubMed Search: Squamous epithelium inclusions lymph nodes


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Cite this page: DePond W. Squamous epithelium. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/lymphnodessquamousepithelium.html. Accessed July 8th, 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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