The spots are not harmful, and can be hidden with cosmetics. This is due to scleroderma, and is NOT caused by too much calcium in your diet. You may notice hard white lumps under the skin on fingers or other areas of the body. The lumps may break through the skin and leak a chalky white liquid. These may also be symptoms of scleroderma.
Arthritis happens when joints become painful and swollen.
A contracture happens when the skin and tissues around a joint become tight and hard causing the joint to tighten into a bent position. This can happen in the hands and other parts of the body. This happens of scleroderma affects the glands that produce these fluids. The digestive system includes the mouth, esophagus, stomach, and bowels. Scleroderma can weaken the esophagus and the bowels.