Spontaneous Regression of a Keratoacanthoma Centrifugum Marginatum

• Yesul Kim,
• Klaus F. Helm,
• Elizabeth M. Billingsley,
• Charlene Lam

Affiliations

Yesul Kim

Pennsylvania State College of Medicine, Hershey, PA, USA

Klaus F. Helm

Department of Dermatology, Penn State Hershey Medical Center, Hershey, PA, USA

Elizabeth M. Billingsley

Department of Dermatology, Penn State Hershey Medical Center, Hershey, PA, USA

Charlene Lam

Department of Dermatology, Penn State Hershey Medical Center, Hershey, PA, USA