Association of antinuclear antibody status with clinical features and malignancy risk in adult-onset dermatomyositis

Antinuclear antibody testing is positive in most adults with dermatomyositis. There is a strong association between negative antinuclear antibody status and increased risk of underlying malignancy in adults with dermatomyositis. More frequent follow-up and malignancy screening may be warranted in adults with dermatomyositis and negative antinuclear antibody testing.

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