Antonino Marcello Pilia, Lorenzo Salvati, Alessia Guidolin, Francesca Mazzoni, Lorenzo Antonuzzo, Paola Parronchi, Francesco Liotta
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引用次数: 0
Abstract
We report the first case of anti-melanoma differentiation-associated gene 5 (MDA5)-positive dermatomyositis as a systemic immune-related adverse event in a 64-year-old man receiving pembrolizumab to treat advanced lung cancer. The patient experienced hypothyroidism, myalgia, skin involvement, dyspnoea and diarrhoea. Laboratory tests revealed raised inflammatory markers, hypercreatinekinasemia and anti-MDA5 autoantibodies. Electroneuromyography and pathognomonic signs on physical examination confirmed the diagnosis of pauci-myopathic dermatomyositis. Pembrolizumab was discontinued and immunosuppressive therapy led to rapid and progressive improvement, with complete remission of dermatomyositis. This case report widens the spectrum of systemic immune-related adverse events associated with pembrolizumab.
期刊介绍：
The Swiss Medical Weekly accepts for consideration original and review articles from all fields of medicine. The quality of SMW publications is guaranteed by a consistent policy of rigorous single-blind peer review. All editorial decisions are made by research-active academics.
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