Term Name:	mixed connective tissue disease
Synonyms:	Connective tissue disease overlap syndrome, mixed collagen vascular 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.
Ontology:	Human Disease [DOID:3492]   ( DOID:3492 )