Diagnosis of Skin Cancer -- Histopathology of Skin Cancer -- Basal Cell Carcinoma -- Squamous Cell Carcinoma In Situ -- Invasive Squamous Cell Carcinoma of the Skin -- Cutaneous Malignant Melanoma -- Merkel Cell Carcinoma -- Cutaneous Lymphomas -- Kaposi Sarcoma -- Other Skin Cancers. Fibrohistiocytic Skin Cancers and Extramammary Paget's Disease -- Skin Cancer Under Special Circumstances -- Skin Cancer Prevention.