{"_buckets": {"deposit": "83c5c41a-2f91-4d5e-9959-5a20c604a955"}, "_deposit": {"id": "4281", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "4281"}, "status": "published"}, "_oai": {"id": "oai:soar-ir.repo.nii.ac.jp:00004281"}, "item_6_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\uff08\u5225\u8a00\u8a9e\u7b49\uff09\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "Gamma Knife Radiosurgery for Metastatic Brain Tumors"}]}, "item_6_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2003-12", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "6", "bibliographicPageEnd": "409", "bibliographicPageStart": "401", "bibliographicVolumeNumber": "51", "bibliographic_titles": [{"bibliographic_title": "\u4fe1\u5dde\u533b\u5b66\u96d1\u8a8c"}]}]}, "item_6_description_20": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "The purpose of this retrospective study was to determine the outcome of gamma knife radiosurgery in a variety of patients including relatively poor-risk patients with multiple or large brain metastases. Between April 2000 and January 2003, 206 patients with cerebral metastases from cancers of the lung, gastrointesinal tract,breast,and kidney were treated with gamma knife radiosurgery by the senior author at Aizawa Hospital. Of the 199 patients who were suitable for analysis,there were 132 patients with lung cancer, 37 with gastrointestinal cancer, 17 with breast cancer, and 13 with renal cell carcinoma. A total of 262 treatment sessions were required for salvage therapy by July 2003 (the average was 1.4 times in one individual). The median follow-up period was 8.5 months. When the number of metastases was less than 10, the median survival was 8 months in patients with lung cancer, 6 months with gastrointestinal cancer, 6 months with breast cancer, and 8.5 months with renal cell carcinoma. In a group of non-small cell lung cancer, the median survival was 9.5 months in patients with less than 5 metastases,7 months with 5 to 9 metastases, and 8 months with 10 or more metastases. There were 21 patients who had 10 or more metastases,and the median survival was 6 months. There were 16 patients in whom tumor control had failed 6 months after gamma knife radiosurgery or who experienced radiation-induced symptoms (8%).There were 26 patients with metastases 3 to 4 cm in diameter, and tumor control failed in 4 (15.4%). Gamma knife radiosurgery can be a useful tool even in the palliative management in poor-risk patients with multiple or large brain metastases.", "subitem_description_type": "Abstract"}]}, "item_6_description_30": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7\uff08\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u7a2e\u985e\uff09", "attribute_value_mlt": [{"subitem_description": "Article", "subitem_description_type": "Other"}]}, "item_6_description_31": {"attribute_name": "\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\uff1amime\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"subitem_description": "application/pdf", "subitem_description_type": "Other"}]}, "item_6_description_5": {"attribute_name": "\u5f15\u7528", "attribute_value_mlt": [{"subitem_description": "\u4fe1\u5dde\u533b\u5b66\u96d1\u8a8c 51(6): 401-409(2004)", "subitem_description_type": "Other"}]}, "item_6_publisher_4": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u4fe1\u5dde\u533b\u5b66\u4f1a"}]}, 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