Hansen's Disease is another term for leprosy. Impetigo is a contagious infection of the skin caused by bacteria. It is characterized by a yellow crust that covers red, moist, and weeping patches of skin, this infection is most commonly seen in children. Jock Itch is an infection of the skin caused by fungi that results in itchy, red, moist, well-marked patches in the groin area. Tumors appear anywhere on the skin or mucous membranes as red-purple patches or nodules.
Keloids are scars that grow excessively.
They can occur after an operation, burn, vaccination, or even ear piercing. Light Therapy involves the exposure of skin to ultraviolet light in a controlled fashion to treat a variety of skin conditions. UVA and UVB are the forms of ultraviolet light most commonly used and are administered by having the patient stand in a light box with the skin exposed. Lupus is a chronic disease in which the body's immune system, instead of serving its normal protective function, forms antibodies and cells that attack healthy tissues and organs. Discoid Lupus affects the skin, causing a rash and scars, most commonly on the face and upper parts of the body.