Author
Christine Malcolm, MD, FRCPC Resident Physician in Dermatology, Department of Internal Medicine, University of Toronto Faculty of Medicine
Disclosure: Nothing to disclose.
Coauthor(s)
Scott Richard Albert Walsh, MD, PhD Assistant Professor, Program Director, Department of Dermatology, University of Toronto, Sunnybrook Health Sciences Centre
Scott Richard Albert Walsh, MD, PhD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Dermatology, International Society of Dermatology, Society for Investigative Dermatology, Canadian Dermatology Association
Disclosure: Nothing to disclose.
Specialty Editor Board
David F Butler, MD Former Section Chief of Dermatology, Central Texas Veterans Healthcare System; Professor of Dermatology, Texas A&M University College of Medicine; Founding Chair, Department of Dermatology, Scott and White Clinic
David F Butler, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Dermatology, Association of Military Dermatologists, Phi Beta Kappa, Texas Dermatological Society
Disclosure: Nothing to disclose.
Edward F Chan, MD Clinical Assistant Professor, Department of Dermatology, University of Pennsylvania School of Medicine
Edward F Chan, MD is a member of the following medical societies: American Academy of Dermatology, American Society of Dermatopathology, Society for Investigative Dermatology
Disclosure: Nothing to disclose.
Chief Editor
Dirk M Elston, MD Professor and Chairman, Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina College of Medicine
Dirk M Elston, MD is a member of the following medical societies: American Academy of Dermatology
Disclosure: Nothing to disclose.
Additional Contributors
Donald Belsito, MD Professor of Clinical Dermatology, Department of Dermatology, Columbia University Medical Center
Donald Belsito, MD is a member of the following medical societies: New York County Medical Society, Noah Worcester Dermatological Society, Phi Beta Kappa, American Contact Dermatitis Society, Dermatology Foundation, Dermatologic Society of Greater New York, Alpha Omega Alpha, American Academy of Dermatology
Disclosure: Nothing to disclose.
Joel G DeKoven, MD, MHSc, FRCPC Associate Professor, Division of Dermatology, Department of Medicine, University of Toronto Faculty of Medicine, Sunnybrook Health Sciences Centre and St Michael's Hospital, Canada
Joel G DeKoven, MD, MHSc, FRCPC is a member of the following medical societies: American Academy of Dermatology, American Contact Dermatitis Society, Canadian Dermatology Association, Canadian Medical Association, Royal College of Physicians and Surgeons of Canada
Disclosure: Nothing to disclose.
Acknowledgements
Jonathan Baron, MD Consulting Staff, Dermatology Group
Jonathan Baron is a member of the following medical societies: American Medical Association and Arizona Medical Association
Disclosure: Nothing to disclose.
Norman Levine, MD Professor, Department of Medicine, Section of Dermatology, University of Arizona Health Sciences Center
Disclosure: Nothing to disclose.
Linear petechiae on the heel, characteristic of black heel.
