STEREOTACTIC IRRADIATION FOR BRAIN METASTASES : ANALYSIS OF PROGNOSTIC FACTORS IN SURVIVAL
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概要
- 論文の詳細を見る
Stereotactic radiotherapy (SRT) has become an established therapeutic option for patients with brain metastases. The purpose of this study was to evaluate the effcacy of SRT for brain metastases and to identify prognostic factors affecting survival. We analyzed 74 patients with brain metastases encountered at Akita University from June 2000 to February 2003. The survival rate was assessed by the Kaplan-Meire method, and the significance of differences was determined with the log-rank test. The Cox regression analysis was used adjusting for factors including age, gender, Karnofsky performance status (KPS), tumor volume, tumor number, extracranial disease status. This study showed the median survival after SRT for the whole group was 7.9 months, and KPS and extracranial disease status are independent factors for survival. Patients with KPS <70 and extracranial progressive disease had a very poor outcome with a median survival of 3.3 months, and are unlikely to benefit from SRT
著者
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IZUMI Junichi
Department of Radiology, Akita University School of Medicine
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Anbai Akira
Department Of Radiology Aomori Prefectural Central Hospital
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KOGA Makoto
Department of Chemistry. Faculty of Science, Fukuoka University
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Hashimoto Manabu
Department Of Nuclear Engineering Kyushu University
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Watanabe Osamu
Department Of Earth And Planetary Science Kyushu University
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Suzuki Akira
Department Of Biology Faculty Of Education Chiba University
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Koga Makoto
Department Of Radiology Akita University Graduate School Of Medicine
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Hashimoto Manabu
Department Of Radiology Akita University Graduate School Of Medicine
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Watanabe Osamu
Department Of Radiology Akita University Graduate School Of Medicine
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Watanabe Osamu
Department Of Computer Science And Systems Engineering Muroran Institute Of Technology
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Anbai Akira
Department Of Radiology Akita University Graduate School Of Medicine
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Suzuki Akira
Department Of Neurosurgery Akita University Graduate School Of Medicine
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Suzuki Akira
Department Of Anesthesiology And Intensive Care Hamamatsu University School Of Medicine
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Izumi Junichi
Department Of Radiology Yokote Municipal Hospital
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Hashimoto Manabu
Department of Integrated Medicine, Division of Radiation Medicine, Akita University Graduate School of Medicine
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Watanabe Osamu
Department of Applied Chemistry, Faculty of Engineering, Yamagata University
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