Vascular birthmarks. Infantile hemangioma / Kristen E. Holland and Beth A. Drolet -- Kasabach-Merritt phenomenon / Michael Kelly -- Vascular malformations / Jennifer T. Huang and Marilyn G. Liang -- Genetics and syndromes associated with vascular malformations / Kelly Duffy -- Pigmented birthmarks. Patterned pigmentation in children / James Treat -- The diagnostic and clinical significances of cafe-au-lait macules / Kara N. Shah -- Congenital melanocytic nevi / Valerie B. Lyon -- Epidermal nevi. Epidermal nevi / Heather A. Brandling-Bennett and Kimberly D. Morel.