Second Edition

EDITED BY

Jean L Bolognia MD Professor of Dermatology, Department of Dermatology, Yale Medical School, New Haven, CT, USA

Joseph L Jorizzo MD Professor and Former (Founding) Chair, Department of Dermatology, Wake Forest University School of Medicine, Winston-Salem, NC, USA

Ronald P Rapini MD Professor and Chair, Department of Dermatology, University of Texas Medical School, and MD Anderson Cancer Center, Houston, TX, USA

ASSOCIATE AND ARTWORK EDITOR

Julie V Schaffer MD Assistant Professor of Dermatology and Pediatrics, Director of Pediatric Dermatology, Department of Dermatology, New York University School of Medicine, New York, NY, USA

SECTION EDITORS

Jeffrey P Callen MD FACP Professor of Medicine (Dermatology), Chief, Division of Dermatology, University of Louisville, Louisville, KY, USA

Stuart J Salasche MD Clinical Professor, University of Arizona Health Sciences Center, Research Scientist, University of Arizona Cancer Center, Tucson, AZ, USA

Mary Seabury Stone MD Professor of Dermatology and Pathology, Department of Dermatology, University of Iowa, Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA, USA

Thomas D Horn MD MBA CarisCohenDX, Newton, MA, USA, Consultant Dermatologist Lahey Clinic Burlington, MA, USA

Thomas Schwarz MD Professor and Chairman, Department of Dermatology and Allergology, University Hospital Schleswig-Holstein, Kiel, Germany

Anthony J Mancini MD Associate Professor of Pediatrics and Dermatology, Northwestern University Feinberg School of Medicine, Head, Division of Pediatric Dermatology, Children's Memorial Hospital, Chicago, IL, USA

Georg Stingl MD Professor and Chairman, Department of Dermatology, Division of Immunology, Allergy and Infectious Diseases (DIAID), University of Vienna Medical School, Vienna, Austria

Commissioning Editor: Thu Nguyen

Development Editor: Sven Pinczewski

Editorial Assistant: Kirsten Lowson

Project Manager: Glenys Norquay

Designer: Jayne Jones

Illustration Manager: Bruce Hogarth

Illustrator: Richard Tibbitts

Marketing Manager(s) (UK/USA): Clara Toombs/Todd Liebel