Mixed connective tissue disease (MCTD) is a rare autoimmune disorder that has overlapping features of three other connective tissue diseases: systemic lupus erythematosus (SLE), systemic sclerosis (scleroderma), and polymyositis. Nearly all people with MCTD have high levels of anti-U1 RNP antibodies in their blood.
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Understand key symptoms, causes, diagnosis options, and treatment pathways for Mixed Connective Tissue Disease (MCTD). This overview is intended for patient awareness and should be followed by specialist consultation.
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Rare; estimated 3.8 per 100,000 population.
Verified medical information source from NIAMS.
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