Lymph nodes & spleen, nonlymphoma
Lymph nodes-inflammatory / reactive disorders
Sinus histiocytosis

Topic Completed: 1 June 2006

Minor changes: 4 November 2020

Copyright: 2003-2021,, Inc.

PubMed Search: Sinus histiocytosis[TI] lymph nodes

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Cite this page: DePond WD. Sinus histiocytosis. website. Accessed January 24th, 2021.
Definition / general
Case reports
Microscopic (histologic) description
  • Dilated and prominent sinuses, often containing increased macrophages or sinus lining cells
  • May resemble signet ring cell carcinoma cells but lack atypia and are mucin negative
Microscopic (histologic) images

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Sinus histiocytosis

Cytology description
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