The feature of derma nucleus Derma nucleus book is a tool for postgraduate dermatology doctors helping them to study dermatology step-by-step guiding considering logic order of information starting by: etiology, epidemiology, pathogenesis, clinical picture, investigations and treatment Despite the broad scope in dermatology, this book focus on the most important points and topics. So, it is easy to start know about each topic then reading from other text books Derma nucleus 1 part topics: Papulosquamous Disorders _ Vasiculobullous Diseases_ Autoimmune Connective tissue Diseases _ Cutaneous fungal Infections _ Cutaneous Viral infections _ Panniculitis