Radiotherapy for painful bone metastases

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Abstract
Bone metastases are a frequent cause of morbidity in patients with malignant disease. Pain is the commonest symptom; it can be treated successfully in the majority of patients by local external beam irradiation. Controversy exists over which regimen should be used, with a single dose necessitating only one treatment visit to the radiotherapy department, or a fractionated course requiring several visits. Many radiotherapists continue to use fractionated regimens despite the current evidence that single fractions are as effective. Many reasons exist for this, including departmental policy and training, fears of recurrence, problems with retreatment of previously treated areas, fears of increased early and late morbidity, and attempts at promoting recalcification. The majority of these reasons are theoretical and have yet to be substantiated. In many patients, symptomatic bone metastases are widespread, and hemibody irradiation, although more toxic, should be considered in order to avoid the need for repeated courses of local treatment.

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