Abstract
Objective To analyze the effect of stereotactic radiotherapy(SRT) with or without whole brain radiotherapy(WBRT) in the treatment of hmited number brain metastases of non-small cell lung cancer (NSGLC).Methods 75 NSCLC patients with brain metastases within 4 lesions were retrospectively analyzed.35cases were treated with SRT alone and 40 cases were treated with SRT + WBRT.The therapeutic effects,overall survival and radiotherapeufic side effects of the two groups were compared.Results The total effective rate of SRT group and WBRT + SRT group were 91.5％ and 87.5％ respectively.There was no significant difference between the two groups (P ＞0.05).For all the patients,the median overall survival time was 14.7 months.There was no difference between SRT alone group and SRT + WBRT group (13.7 months vs 15.4 months,P =0.180).There was no serious side effectin in two groups.Conclusions Stereotactic radiotherapy was an effective and safe treatment for limited number brain metastases of NSCLC.The patients who accepted SRT alone or SRT + WBRT had the similar overall survival time. Key words: Brain metastases; Non-small cell lung cancer; Whole brain radiotherapy; Stereotactic radiotherapy
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