Abstract
Since 1972, 18 patients suffering from metastatic cancer in the cervical spine were treated with prosthetic replacement surgery. The surgery enabled the authors to decompress the spinal cord and the nerve roots and at the same time restore stability in the affected spine. Patients suffering from severe pain and spinal cord and/or nerve root compression secondary to involvement of a single vertebral body particularly benefited from this surgery. The rates of positive recovery were as follows: 94.1% for pain relief, 91.7% for motor recovery, and 87.5% for ambulation. The surgical efficacy was maintained until the terminal stage. Tumor recurrence took place in five cases--two anterior, and three posterior. Anterior recurrence caused a marked instability, whereas posterior recurrence did not affect stability.
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