Surgical treatment of brain metastases. Clinical and computerized tomography evaluation of the results of treatment

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Abstract
The results of treatment of brain metastases in a series of 125 patients who underwent surgery with or without postoperative radiation from 1978 through 1982 were analyzed. The major sites of primary tumor included the lung (40%), melanoma‐skin (11%), kidney (11%), colon (8%), soft tissue sarcoma (8%), breast (6%), and a variety of others (15%). At the time of craniotomy, disease was considered limited to the central nervous system in 63 patients (50%). After surgery, 83 patients (66%) were neurologically improved, and 26 (21%) had their deficits stabilized. The overall median survival was 12 months, and 25% lived 2 years. Eight patients (12%) are alive 5 years or more following surgery. Survival varied with site of primary tumor, location of brain metastasis, extent of systemic disease, and neurologic deficit at time of craniotomy. Over a follow‐up period ranging from 18 months to 6 years, 42 patients (34%) developed either local recurrences or other sites of brain metastases. These data suggest that although craniotomy followed by radiation is highly effective in the initial treatment of selected patients with brain metastases, alternate therapies require investigation in view of the high central nervous system relapse rate in long‐term survivors. Cancer 55:1382‐1388, 1985.