Definitions for macrophage activation syndrome
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U.S. National Library of Medicine
Macrophage Activation Syndrome
A serious complication of childhood systemic inflammatory disorders that is thought to be caused by excessive activation and proliferation of T-LYMPHOCYTES and MACROPHAGES. It is seen predominantly in children with systemic onset JUVENILE IDIOPATHIC ARTHRITIS.
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"macrophage activation syndrome." Definitions.net. STANDS4 LLC, 2013. Web. 22 May 2013. <http://www.definitions.net/definition/macrophage activation syndrome>.

