How and when to biopsy the skin -- Benign melanocytic proliferations and precursor lesions to melanoma -- Melanoma : classic subtypes -- Histological and phenotypic variants of melanoma and of the borderline melanocytic tumor -- Prognosticators of melanoma, the melanoma report, and the sentinel lymph node -- Basal cell carcinoma : clinical features, histology, and biology -- Squamous cell carcinoma and its precursors -- Benign adnexal neoplasms -- Malignant adnexal neoplasms -- Soft tissue neoplasms of the skin and superficial subcutis -- Medicolegal aspects of neoplastic dermatology