Module 3. Dermatology, Diseases and Disorders for MNTs contains these topics as they are relevant to the foot. The difference between skin of the rest of the body and the skin of the foot is discussed to provide a full understanding by the Medical Nail Technician. Definitions, descriptions including photographs, and treatment of various disease and disorders of the ten most treated conditions in the podiatry office are included as well as precautions for working with these clients. How and why these conditions occur is discussed, also.