[Clinical Picture] A polymorphous bullous dermatosis

A 50-year-old woman with an advanced high-grade serous ovarian cancer was admitted to the oncology department at Gustave Roussy Institute (Villejuif, France) in October 2016 because of large and painful supraclavicular erosions. Initially diagnosed as radiodermatitis, the erosions appeared 4 weeks after a localised palliative radiotherapy on a supraclavicular metastatic lymphadenopathy. Subsequently, erosions of the oral mucosa and widespread cutaneous lesions occurred in November, 2016. The patient was referred by her oncologist to our dermatology department at Henri Mondor Hospital (Créteil, France).

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