Emilio, a 60 years-old, bank accountant, presented with a complaint of erythematous patches covered with fragile blisters that were evolving into erosions.
Acknowledgement
This case was provided by Dr. Marion Carrette (PharmD, Department of Immunology and Biotherapy, Rouen University Hospital, France) and Prof. Olivier Boyer (MD, PhD, Head of the Department of Immunology and Biotherapy, Rouen University Hospital, France). The authors would like to thank Prof. Vivien Hébert (MD, PhD, Department of Dermatology, Rouen University Hospital, France), Dr. Fabienne Jouen (MD, Department of Immunology and Biotherapy, Rouen University Hospital, France), and Prof. Victoria Werth (MD, Department of Dermatology, University of Pennsylvania, Philadelphia, USA) for their critical reading of this case study.

