A 70-year-old farmer with a skin lesion

Elizabeth F. Callahan, MD
Department of Dermatology, Cleveland Clinic

Kenneth J. Tomecki, MD
Department of Dermatology, Cleveland Clinic

Address: Kenneth J. Tomecki, MD, Department of Dermatology, A61, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, tomeckk@ccf.org

Elizabeth F. Callahan, MD
Department of Dermatology, Cleveland Clinic

Kenneth J. Tomecki, MD
Department of Dermatology, Cleveland Clinic

Address: Kenneth J. Tomecki, MD, Department of Dermatology, A61, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, tomeckk@ccf.org

Elizabeth F. Callahan, MD
Department of Dermatology, Cleveland Clinic

Kenneth J. Tomecki, MD
Department of Dermatology, Cleveland Clinic

Address: Kenneth J. Tomecki, MD, Department of Dermatology, A61, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, tomeckk@ccf.org