[Comparison of clinical and immunological features between clinically amyopathic dermatomyositis and typical dermatomyositis].
Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences(2020)
Abstract
OBJECTIVE:To study the differences between clinically amyopathic dermatomyositis (CADM) and typical dermatomyositis (DM) on clinical and immunological features.
METHODS:By collecting clinical data of 106 CADM patients and 158 DM patients from January 2010 to June 2019 in the department of Rheumatology and Immunology, Peking University People's Hospital, the clinical characteristics and immunological features in the two groups were compared, and the distribution characters and the clinical meanings of myositis autoantibodies were discussed in the two groups respectively. Myositis autoantibodies were measured by immunoblotting according to the manufacturers' instructions.
RESULTS:In the aspects of clinical manifestations, CADM presented more with onset of interstial lung diseases (ILD) compared with DM (20.7%
vsPvsPCONCLUSION:Compared with DM, ILD is more likely to be acute in CADM. It is different between CADM and DM about the distribution of myositis autoantibodies and the clinical significance of the same myositis antibody, and the clinical significance of some myositis antibodies is related to titers.
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Key words
Clinically amyopathic dermatomyositis,Dermatomyositis,Myositis autoantibody
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