|Name||mixed connective tissue disease|
|Definition||A collagen disease that is considered an overlap of three diseases, systemic lupus erythematosus, scleroderma, and polymyositis with very high titers of circulating antinuclear antibody to a ribonucleoprotein antigen.
Connective tissue disease overlap syndrome [EXACT]
mixed collagen vascular disease [EXACT]
is_a collagen disease