Table of Contents

The Epidemiology of Basal Cell and Squamous Cell Carcinoma.- Histology of Epithelial Skin Tumors.- UV Damage and DNA Repair in Basal Cell and Squamous Cell Carcinomas.- Papillomavirus Infections and Cancerogenesis of Squamous Cell and Basal Cell Carcinomas.- The Immune System and Nonmelanoma Skin Cancers.- Cytogenetics of Basal Cell Carcinoma and Squamous Cell Carcinomas.- The Hedgehog Signaling Pathway and Epithelial Skin Cancer.- p53 Protein and Nonmelanoma Skin Cancer.- TGF-? Pathway and Cancerogenesis of Epithelial Skin Tumors.- PDGF Pathways and Growth of Basal Cell and Squamous Cell Carcinomas.- Apoptosis and Cancerogenesis of Basal Cell and Squamous Cell Carcinoma.- The Role of Telomerase for Cancerogenesis of Basal Cell and Squamous Cell Carcinomas.