Lymph nodes - not lymphoma
Inflammatory disorders (noninfectious)
Sinus histiocytosis

Topic Completed: 1 June 2006

Revised: 5 February 2019, last major update June 2006

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

PubMed Search: Sinus histiocytosis[TI] lymph nodes

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Cite this page: DePond W. Sinus histiocytosis. website. Accessed December 5th, 2019.
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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Various images

Sinus histiocytosis

Cytology description
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