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

Author: William D. DePond, M.D. (see Authors page)

Revised: 28 June 2018, last major update July 2013

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

PubMed Search: Squamous epithelium inclusions lymph nodes

Cite this page: DePond, W. D. Squamous epithelium inclusions. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/lymphnodessquamousepithelium.html. Accessed August 16th, 2018.
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