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Published on: December 15, 2011
[MCTD (mixed connective tissue disease)]
1Health Service Center, University of Saitama.
Abstract:
Mixed connective tissue disease (MCTD) was proposed by Sharp and others in 1972. MCTD is a unique disease in which the presence of nuclear RNP antibody is characteristic and the patient shows partial symptoms of SLE, PSS and or PM/DM. Among them, Raynaud's phenomenon and sausage like finger or swollen hand are the most common symptoms. Although patients with MCTD generally respond to small amount of corticosteroid and the prognosis is not so bad, some patients with MCTD especially those with pulmonary hypertension show high mortality.
Insights
Mixed connective tissue disease (MCTD) is characterized by a specific antibody and symptoms overlapping with other autoimmune conditions. While generally manageable with corticosteroids, MCTD can lead to high mortality, particularly with pulmonary hypertension.
Area of Science:
- Rheumatology
- Immunology
- Internal Medicine
Context:
- Mixed connective tissue disease (MCTD) is a distinct autoimmune disorder.
- Characterized by the presence of anti-nuclear RNP antibodies.
- Presents with overlapping symptoms of SLE, PSS, and PM/DM.
Purpose:
- To summarize the key features and clinical presentation of MCTD.
- To highlight common symptoms such as Raynaud's phenomenon and hand swelling.
- To discuss the general prognosis and mortality factors in MCTD patients.
Summary:
- MCTD exhibits unique serological markers and a combination of clinical manifestations.
- Raynaud's phenomenon and digital swelling are highly prevalent.
- Corticosteroid treatment is often effective, but pulmonary hypertension is associated with increased mortality.
Impact:
- Provides a concise overview of MCTD for clinicians and researchers.
- Emphasizes the importance of recognizing MCTD's distinct features.
- Underscores the need for vigilant monitoring, especially for pulmonary hypertension.
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