Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content Download Section PDF ++ Garrett T. Desman, MD ++ Assistant Professor of Pathology and Dermatology ++ Icahn School of Medicine at Mount Sinai ++ New York, New York ++ Attending Physician, Dermatopathology Services ++ Mount Sinai Hospital ++ New York, New York ++ ++ Raymond L. Barnhill, MD, MSc ++ Professor ++ Department of Pathology ++ Institut Curie ++ Paris, France