Giuseppe A. Micali, MD, head, Sezione di Dermatologia e Venereologia, Dipartimento di Specialit edico-Chirurgiche, University of Catania, Sicily, Italy; and visiting professor, Department of Dermatology, Northwestern University and University of Illinois, Chicago, USAPompeo Donofrio, MD, dermatologist, Naples, ItalyMaria Rita Nasca, MD, PhD, Dermatology Clinic, University of Catania, Sicily, ItalyStefano Veraldi, MD, director, School of Specialization in Dermatology and Venereology, University of Milan, Italy

• Anatomy. Anatomy. Erythema. Erythema. Erythema Plus Edema. Erythema Plus Scales. Edema. Edema. Edema Plus Ulcers. Vesicles Plus Abrasions/Ulcers. Vesicles Plus Abrasions/Ulcers. Bullae Plus Abrasions. Bullae Plus Abrasions. Bullae Plus Abrasions Plus Scarring. Pustules/Abscess. Pustules/Abscess. Pustules/Abscess Plus Scarring. Papules. Papules. Papules and/or Nodules. Papules and/or Plaques. Plaques. Plaques. Nodules. Nodules. Cysts. Cysts. Ulcers. Ulcers. Pigmentary Changes. Pigmentary Changes. Pruritus with or without Excoriations/Fissures. Pruritus with or without Excoriations/Fissures. Miscellaneous. Mechanical/Obstetric/Surgical Trauma. Congenital Malformations.