Renal cell carcinoma and amyopathic dermatomyositis
Keywords:Dermatomyositis (DM), Amyopathic Dermatomyositis (ADM), Renal Cell Carcinoma (RCC)
AbstractAmyopathic dermatomyositis (dermatomyositis siné myositis) is a rare disorder with cutaneous lesions identical to those of classic dermatomyositis, but with no clinical evidence of myopathy. Association with malignancy has been suggested in a number of reports. We report the case of a 69-year-old man with a recent diagnosis of amyopathic dermatomyositis, who presented to the urology service with hematuria. Investigations revealed a 5.8- cm renal cell carcinoma and the patient underwent left radical nephrectomy without complication. To our knowledge, an association with renal cell carcinoma and amyopathic dermatomyositis has not been previously described.
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