Dermatology is a branch of medicine dealing with the skin and its appendages . Dermatologists are physicians specializing in the diagnosis and treatment of diseases and tumors of the skin and its appendages. There are medical and surgical sides to the specialty. Dermatologic surgeons perform skin cancer surgery , laser surgery, photodynamic therapy and cosmetic procedures using botulinum toxin , soft tissue fillers, sclerotherapy and liposuction. Dermatopathologists interpret tissue under...