Lymph nodes - not lymphoma
Inclusions, pigment, ectopic cells or tissue
Squamous epithelium inclusions



Topic Completed: 1 July 2013

Revised: 1 February 2019, last major update July 2013

Copyright: (c) 2003-2018, PathologyOutlines.com, Inc.

PubMed Search: Squamous epithelium inclusions lymph nodes


William D. DePond, M.D.
Page views in 2018: 175
Page views in 2019 to date: 189
Cite this page: DePond W. Squamous epithelium inclusions. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/lymphnodessquamousepithelium.html. Accessed June 26th, 2019.
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

Missing Image

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

Differential diagnosis
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