Dermatopathology The most up-to-date edition of a pattern-based dermatopathology atlas In Dermatopathology: Diagnosis by First Impression, an expert team of dermatopathologists deliver an authoritative guide to the microscopic differentiation of visually similar dermatological diseases that is useful for both trainees and practicing physicians. This latest fourth edition includes new sections on alopecia and immunohistochemistry as well as over 100 new photomicrographs for a total of almost 1000 high-resolution and annotated figures. The "Key Differences" pages walk the reader through the identification of distinctive diagnostic features, and disease-based and alphabetical indexes make it simple to quickly locate necessary information. Unique amongst dermatopathology atlases, this book remains organized by microscopic pattern???as opposed to disease category???which makes it the perfect companion for slide analysis. It also offers self-assessment questions and algorithms for pattern analysis, as well as: * An introduction to gestalt diagnosis * Focus on architectural patterns as well as cell type/morphology * Practical discussion of immunohistochemistry * Expanded sections on melanocytic, soft tissue, and lymphoid lesions as well as alopecia A visual feast for practicing dermatologists and pathologists, Dermatopathology: Diagnosis by First Impression will also earn a place in the libraries of trainees.