A pink papule on the back of an 82-year-old man: an example of the buttonhole sign on reflectance confocal microscopy

• Syril Keena T. Que,
• Naiara Fraga-Braghiroli,
• Jane M. Grant-Kels,
• Harold S. Rabinovitz,
• Margaret Oliviero,
• Alon Scope

Affiliations

Syril Keena T. Que

Department of Dermatology, University of Connecticut Health Center, Farmington, CT, USA

Naiara Fraga-Braghiroli

Department of Dermatology, University of Miami Miller School of Medicine, Miami, FL, USA

Jane M. Grant-Kels

Department of Dermatology, University of Connecticut Health Center, Farmington, CT, USA

Harold S. Rabinovitz

Department of Dermatology, University of Miami Miller School of Medicine, Miami, FL, USA

Margaret Oliviero

Department of Dermatology, University of Miami Miller School of Medicine, Miami, FL, USA

Alon Scope

Department of Dermatology, Sheba Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel