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Definition of Histiocytosis, sinus

Histiocytosis, sinus: A type of histiocytosis in which the lymph nodes are the main site of histiocyte proliferation. The sinuses of the lymph nodes become filled with and distended by masses of
histiocytes.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=11485
Last Editorial Review: 3/19/2012

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