Journal of Rheumatic Diseases

Table. 1.

Diagnostic criteria for juvenile dermatomyositis

Classic rash Heliotrope rash of the eyelids
Gottron’s papules
Plus 3 of the following:
Weakness Symmetric
Proximal
Muscle enzyme elevation (≥1) Creatine kinase
Aspartate aminotransferase
Lactate dehydrogenase
Aldolase
Electromyographic changes Short, small polyphasic motor unit potentials
Fibrillations
Positive sharp waves
Insertional irritability
Bizarre, high-frequency repetitive discharges
Muscle biopsy Necrosis
Inflammation
J Rheum Dis 2022;29:14~21 https://doi.org/10.4078/jrd.2022.29.1.14
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