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12. Localized Scleroderma
Typically, the effects of localized scleroderma are mild, and only affect one muscle group or localized area on the skin. The condition does not evolve into systemic scleroderma, and it does not migrate to other sites or make changes in the internal organs.
Morphea describes a type of localized scleroderma, that shows up as waxy lesions on the skin, varying in shape, size, and color. Some patients may find that the skin under the affected area starts to thicken and feel stiff to the touch. Morphea has a sporadic nature, and the patches may grow in size or shrink, with no consistency in the change.
Linear scleroderma describes a type of localized scleroderma that may start as a line or streak of hard waxy on the forehead, leg, or arm. On occasion, this form of the disease may create a long, deep line on the forehead that looks like a crease, sometimes referred to as a “saber-wound,” by doctors.