What is Erdheim-Chester Disease?

Erdheim-Chester Disease is an extremely rare disorder that can affect many different organs of the body. It is characterized by excessive production and accumulation of specific cells whose normal function is to fight infections. These cells, which are called histiocytes, infiltrate the loose connective tissue of the body. As a result this tissue becomes thickened, dense and fibrotic. Multiple different organs can be affected. Unless successful treatment is found, organ failure can result.

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