Erythema elevatum diutinum

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Disease Overview

Erythema elevatum diutinum (EED) is a disorder of the skin associated with small blood vessel inflammation (vasculitis). Symptoms include red, purple, brown or yellow bumps of different sizes that grow on or just below the skin. These growths are located mainly on the elbows, knees, ankles, hands, and fingers. People with EED may also have joint pain, but few other symptoms. EED symptoms begin in adulthood and can last for many years. Many cases get better on their own, but this may take many years. The cause of EED is unknown. Diagnosis is made based on the symptoms and a skin biopsy to look at the skin growths. Treatment includes antibiotics and other medications.[15617][15618] 



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National Organization for Rare Disorders