Bone metastases is a problem of great interest as it is the most frequent kind of tumor of bone tissue. There is much discussion on the treatment to use: 15% of carcinoma develop bone metastases and this percentage increases to over 30% at the postmortem examination . In 9% of cases there is a solitary bone lesion. The incidence of bone metastases varies according to the kind of neoplasm. Carcinoma of the breast develops bone metastases very frequently (49%–84% of all cases), carcinoma of the lung in 44% of cases, carcinoma of the kidney in 33%, carcinoma of the thyroid 27%–50% of cases . With regard to the bladder, gastrointestinal, and uterine cancer, the bone involvement is less frequent. The preferred sites of metastases are the trunk and the proximal part of the limbs; in particular vertebral bodies, the ribs, the proximal metaphyses of long bones, humerus and femur, while the hands and feet are much less affected. The bone lesions are not life-threatening as are the metastases localized in organs such as the brain or lungs. However, bone metastases present a problem because of painful symptomatology which alters the patient’s life, compelling him to remain in bed, with a plaster cast for long periods of time. Metastases of the bones are clear signs of tumor diffusion, but death may occur several years after diagnosis. Consequently orthopaedic therapy should be applied considering this eventuality . The aims of therapy will be pain control, improvement of the quality of life, and shortening of the period of hospitalization with the consequent psychological benefits and reduced costs in nursing care.
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