Delayed diagnosis of pemphigus herpetiformis in a patient with dupilumab-associated hypereosinophilia

• Sarah E. Smith, MD,
• Leah A. Swanson, MD,
• Alex Wonnaparhown, MD,
• David J. DiCaudo, MD,
• Steven A. Nelson, MD,
• Michael Kasperkiewicz, MD

Affiliations

Sarah E. Smith, MD

Department of Dermatology, Mayo Clinic, Scottsdale, Arizona

Leah A. Swanson, MD

Department of Dermatology, Mayo Clinic, Scottsdale, Arizona; Department of Laboratory Medicine and Pathology, Mayo Clinic, Scottsdale, Arizona

Alex Wonnaparhown, MD

Department of Allergy and Immunology, Mayo Clinic, Scottsdale, Arizona

David J. DiCaudo, MD

Department of Dermatology, Mayo Clinic, Scottsdale, Arizona; Department of Laboratory Medicine and Pathology, Mayo Clinic, Scottsdale, Arizona

Steven A. Nelson, MD

Department of Dermatology, Mayo Clinic, Scottsdale, Arizona; Department of Laboratory Medicine and Pathology, Mayo Clinic, Scottsdale, Arizona

Michael Kasperkiewicz, MD

Division of Dermatology, Department of Medicine, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, California; Correspondence to: Michael Kasperkiewicz, MD, Division of Dermatology, Department of Medicine, David Geffen School of Medicine at University of California Los Angeles, 2001 Santa Monica Blvd, Suite 1090, Santa Monica, CA 90404.