This study is a retrospective examination of our experiences with patients who underwent treatment of isolated synchronous brain metastases coupled with primary non-small cell lung cancer. From January 1995 to June 2004, 12 patients presented with isolated synchronous brain metastases coupled with primary non-small cell lung cancer. The patient was comprised of 8 men and 4 women. The median age was 52 yr, in a range of 32 to 75 yr. Median follow-up duration was 10.6 months, in a range of 2 to 55.8 months. Recurrence developed in 7 patients, and the median interval from 1st treatment to recurrence was 4.5 months (2.8-6.5 months). The overall 1-yr survival rate was 61.7%. The 1-yr survival rates for pathologic N0 and N1 cases were 75% and 66.7%, respectively. The median survival duration for pathologic N2 was 6.2 months (95% CI, 4.8-7.5 months). The 1-yr survival rate for cases of single brain metastasis was 75%. Based on our current observations, we could speculate that aggressive management of primary non-small cell lung cancer and isolated synchronous brain metastases was beneficial in a selected group of patients, as long as the brain lesions and pulmonary lesions were limited or resectable.
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