An enlarging, ulcerated scalp nodule

• Ladan Afifi, MS,
• Jeffrey P. North, MD,
• Kanade Shinkai, MD, PhD

Affiliations

Ladan Afifi, MS

Department of Dermatology, University of California, San Francisco, San Francisco, California

Jeffrey P. North, MD

Department of Dermatology, University of California, San Francisco, San Francisco, California

Kanade Shinkai, MD, PhD

Correspondence to: Kanade Shinkai, MD, PhD, UCSF Department of Dermatology, 1701 Divisadero Street, 3rd Floor, San Francisco, CA 94115.; Department of Dermatology, University of California, San Francisco, San Francisco, California