Skin may show the first clinical evidence of systemic disease and can be the first clue to malignancy in 1% of cases.1 Dermatomyositis is an immunologically mediated inflammatory myopathy characterized by proximal muscle weakness, muscle inflammation, and characteristic skin findings.2 It has an incidence of 1 in 100,000 patients.3 In 15%- 30% cases of dermatomyositis, an underlying malignancy is the cause of paraneoplastic syndrome.4,5 Ovarian and breast cancer in women and lung cancer in men are the most common malignancies associated with dermatomyositis.6
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