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


Topic Completed: 1 July 2013

Minor changes: 4 November 2020

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PubMed Search: Squamous epithelium inclusions lymph nodes


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Cite this page: DePond WD. Squamous epithelium. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/lymphnodessquamousepithelium.html. Accessed January 25th, 2021.
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
Differential diagnosis
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