Skin calcium

Calcium salts are deposited in the skin or subcutaneous tissue to form bone-like pimples, nodules, or tumor-like lesions, which can ulcerate and form ulcers and scars. They are more common in older children and are common in limbs that are easily rubbed and squeezed. X-ray examination showed calcification. Often secondary to connective tissue diseases such as scleroderma and dermatomyositis.