This book provides a highly visual guide to dermatoscopy and teaches necessary pattern recognition skills. It supplies an atlas in containing over 500 high resolution color photographs with detailed accompanying diagrams to explain how to recognize the key diagnostic features of each lesion. The main focus of the book is the daily challenge physicians face when evaluating patients with pigmented lesions. This new third edition features the inclusion of a new section on advanced dermatoscopic diagnosis. This is a collection of actual cases presenting particularly difficult features, greatly enhancing the book's teaching value.