Dermatomyositis versus mycosis fungoides: Challenges in the diagnosis of erythroderma with associated myositis

Affiliations

• ¹ Department of Dermatology, AP-HP, Saint-Louis Hospital, 1, avenue Claude Vellefaux, 75010 Paris, France; Université de Paris, INSERM U976, 1 Avenue Claude Vellefaux, 75010 Paris, France.
• ² Department of Dermatology, AP-HP, Saint-Louis Hospital, 1, avenue Claude Vellefaux, 75010 Paris, France.
• ³ Laboratory of Hematology, University Hospital Saint-Louis AP-HP and EA3518 Université de Paris, 1, avenue Claude Vellefaux, 75010 Paris, France.
• ⁴ Department of Pulmonology, AP-HP, Saint-Louis Hospital, 1, avenue Claude Vellefaux, 75010 Paris, France.
• ⁵ Department of Neuropathology, AP-HP, Pitié Salpêtrière Hospital, 47-83 Boulevard de l'Hôpital, 75013 Paris, France.
• ⁶ Université de Paris, INSERM U976, 1 Avenue Claude Vellefaux, 75010 Paris, France; Department of Pathology, AP-HP, Saint-Louis Hospital, 1, avenue Claude Vellefaux, 75010 Paris, France.
• ⁷ Department of Dermatology, AP-HP, Saint-Louis Hospital, 1, avenue Claude Vellefaux, 75010 Paris, France; Université de Paris, INSERM U976, 1 Avenue Claude Vellefaux, 75010 Paris, France. Electronic address: martine.bagot@aphp.fr.