With training and experience, dermoscopy has been shown to greatly increase the clinical diagnosis of melanocytic and non-melanocytic, benign and malignant skin lesions, with a significant improvement in the diagnosis of melanoma compared to that achieved by clinical examination alone. Now you can diagnose earlier and more accurately with practical dermoscopy guidance from experts in the field. Dermoscopy: The Essentials, 4th Edition, provides the information you need to master this highly effective, more economical, and less invasive alternative to biopsy. In this fully revised edition, Drs. Giuseppe Argenziano, Gabriella Brancaccio, Rainer Hofmann-Wellenhof, H. Peter Soyer, and Iris Zalaudek explain all aspects of performing dermoscopy and interpreting results, supported by new clinical and dermoscopic images, valuable pearls and checklists, new self-assessment images online to test your skills, and more.