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Case Report

Dermatomyositis presenting as a paraneoplastic syndrome with resolution of symptoms following surgical management of underlying breast malignancy



Abstract

Breast cancer is the most common cancer in women in the USA, with the lifetime incidence of 1 in 8 women. Dermatomyositis (DM) is an uncommon idiopathic inflammatory myopathy that can manifest as a paraneoplastic syndrome of an underlying malignancy. Here, we report a case of a patient who presented with breast cancer and DM symptoms. The patient's rash and muscle weakness progressed during the workup of her breast cancer, while she was already started on medical treatment of these symptoms with oral prednisone. Her cutaneous and musculoskeletal improved dramatically following the treatment of her breast cancer. Our case report describes the rapid progression and regression of her symptoms emphasizing the benefit of early diagnosis and treatment of DM as well as the underlying breast cancer.


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