Pathology of melanocytic tumors / editors, Klaus J. Busam, MD, Director of Dermatopathology, Department of Pathology, Memorial Sloan Kettering Cancer Center; Professor of Pathology and Laboratory Medicine, Weill Medical College of Cornell University, New York, New York, Pedram Gerami, MD, Professor, Department of Dermatology, Pediatrics, and Pathology, Northwestern University Department of Dermatology and the Lurie Cancer Center, Chicago, Illinois, Richard A. Scolyer, BMEDSCI, MBBS, MD, FRCPA, FRCPATH, Senior Staff Specialist, Tissue Pathology & Diagnostic Oncology, Royal Prince Alfred Hospital; Clinical Professor, Sydney Medical School, The University of Sydney; Conjoint Medical Director, Melanoma Institute Australia, Sydney, New South Wales, Australia.