USC Dermatology Services at Keck Medicine of USC in Los Angeles is known for clinical expertise in the management of rare and common skin diseases, such as psoriasis, atopic dermatitis, skin cancer, infectious diseases, autoimmune diseases and immunobullous diseases. We are recognized locally, nationally and internationally for providing the highest quality dermatology care. Patients who seek our services often have rare skin disorders or unusual presentations of common skin diseases and are referred to us from regional physicians and dermatologists.