Juvenile dermatomyositis

Juvenile dermatomyositis (JDM) is a multi-system disease mediated by immunity, characterized by acute or chronic non-purulent inflammation of rhabdomyomus and skin, with varying degrees of occlusive vascular disease in the early stage, and late-stage disease. Calcification. About 10% are complicated by other connective tissue diseases, such as JRA, SLE, and scleroderma. The causes of death were mainly respiratory failure and gastrointestinal ulcers and bleeding. Patients with juvenile dermatomyositis are generally under 16 years of age. The disease can develop in any child age, but the incidence is highest at 5-9 years. Patients often have a history of respiratory infections before onset, and the "O" value of anti-streptococcus increases. Antibiotics combined with corticosteroids are suspected to have good results.