Pigmentation Disorders

Photo Challenge

Exophytic Scalp Tumor

An 81-year-old man presented with a 3.5×3.0-cm pink exophytic tumor with an eroded surface and prominent vascularity on the left side of the...

Pediatric Dermatology

Piebaldism in Children

Piebaldism is a rare autosomal-dominant disorder of melanocyte development characterized by congenital poliosis and stable patches of leukoderma...