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Guide to treatment of Scleroderma
Localized types of scleroderma are those limited to the skin and related tissues and, in some cases, the muscle below. Internal organs are not affected by localized scleroderma, and localized scleroderma can never progress to the systemic form of the disease. Often, localized conditions improve or go away on their own over time, but the skin changes and damage that occur when the disease is active can be permanent. For some people, localized scleroderma is serious and disabling.
There are two generally recognized types of localized scleroderma:
- Morphea: Morphea (mor-FEE-ah) comes from a Greek word that means "form" or "structure." The word refers to local patches of scleroderma. The first signs of the disease are reddish patches of skin that thicken into firm, oval-shaped areas. The center of each patch becomes ivory colored with violet borders. These patches sweat very little and have little hair growth. Patches appear most often on the chest, stomach, and back. Sometimes they appear on the face, arms, and legs.
Morphea can be either localized or generalized. Localized morphea limits itself to one or several patches, ranging in size from a half-inch to 12 inches in diameter. The condition sometimes appears on areas treated by radiation therapy. Some people have both morphea and linear scleroderma (described below). The disease is referred to as generalized morphea when the skin patches become very hard and dark and spread over larger areas of the body. Regardless of the type, morphea generally fades out in 3 to 5 years; however, people are often left with darkened skin patches and, in rare cases, muscle weakness.
Linear scleroderma: As suggested by its name, the disease is characterized by a single line or band of thickened and/or abnormally colored skin. Usually, the line runs down an arm or leg, but in some people it runs down the forehead. People sometimes use the French term en coup de sabre, or "sword stroke," to describe this highly visible line.
Systemic Scleroderma (also known as Systemic Sclerosis)
This is the term for the form of the disease that not only includes the skin, but also involves the tissues beneath, the blood vessels, and the major organs. Systemic sclerosis is typically broken down into limited cutaneous scleroderma and diffuse cutaneous scleroderma. Some doctors break systemic sclerosis down into a third subset called systemic sclerosis sine (SEEN-ay, Latin for "without") scleroderma. This means that patients have other manifestations of scleroderma but they do not have any overt skin thickening.
- Limited cutaneous scleroderma: Limited cutaneous scleroderma typically comes on gradually and affects the skin only in certain areas: the fingers, hands, face, lower arms, and legs. Most people with limited disease have Raynaud's phenomenon for years before skin thickening starts. Telangiectasias and calcinosis often follow. (See definitions below.) Gastrointestinal involvement occurs commonly and some patients have severe lung problems, even though the skin thickening remains limited. People with limited disease often have all or some of the symptoms that some doctors call CREST, which stands for the following: