Dermatomyositis and polymyositis are the major idiopathic inflammatory myopathies in adults. They are associated with an elevated risk of malignancy. However, renal tumours have rarely been described in dermatomyositis patients. We report the case of a 27-year-old Caucasian man with chromophobe renal cell cancer (ChRCC) and antinuclear matrix protein (NXP-2)-associated dermatomyositis. To the best of our knowledge, there are no previous reports of ChRCC presenting with dermatomyositis.
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