Testis and epididymis
Nonneoplastic testicular lesions
Sinus histiocytosis with massive lymphadenopathy

Author: Sean Williamson, M.D. (see Authors page)

Revised: 10 April 2017, last major update December 2012

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PubMed Search: testicular sinus histiocytosis with massive lymphadenopathy

Cite this page: Sinus histiocytosis with massive lymphadenopathy. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/testissinushistio.html. Accessed October 22nd, 2017.
Definition / general
Terminology
  • Synonyms: Rosai-Dorfman disease
Gross images

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Homogeneous tan cut surface

Microscopic (histologic) description
  • Histiocytes with cytoplasmic lymphocytes (emperipolesis)
Microscopic (histologic) images

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Lymph node

Testis: S100

Positive stains
Negative stains
Electron microscopy images

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Emperipolesis