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Primary cutaneous amyloidosis is a form of amyloidosis, a group of conditions in which an abnormal protein (called amyloid) builds up in various organs and tissues throughout the body. In primary cutaneous amyloidosis, specifically, this protein accumulates in the skin. There are three main forms of primary cutaneous amyloidosis:
The exact underlying cause of primary cutaneous amyloidosis is poorly understood. It is sometimes associated with other conditions such as atopic dermatitis, sarcoidosis, and psoriasis. Although most cases occur sporadically in people with no family history of the condition, there are rare familial forms caused by changes (mutations) in the OSMR or _IL31RA _gene. Treatment is based on the signs and symptoms present in each person and may include surgery to remove amyloid deposits and/or certain medications to relieve itching.
Source: GARD Last updated on 05-01-20
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