期刊
AMERICAN JOURNAL OF NEURORADIOLOGY
卷 40, 期 12, 页码 2045-2051出版社
AMER SOC NEURORADIOLOGY
DOI: 10.3174/ajnr.A6300
关键词
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资金
- Japanese Ministry of Education, Culture, Sports, Science and Technology [17K10864, 17K10863]
- Grants-in-Aid for Scientific Research [17K10864, 17K10863] Funding Source: KAKEN
BACKGROUND AND PURPOSE: Photodynamic therapy is a novel treatment that provides effective local control, but little is known about photodynamic therapy?induced changes on MR imaging. The aim of this study was to assess the utility of DWI and ADC in monitoring the response of malignant gliomas to photodynamic therapy. MATERIALS AND METHODS: Time-dependent changes in DWI and ADC values after photodynamic therapy were analyzed in a group that received photodynamic therapy in comparison with a group that did not. RESULTS: Twenty-four patients were enrolled (photodynamic therapy, n?=?14; non-photodynamic therapy, n?=?10). In all patients who received photodynamic therapy, linear high signals on DWI in the irradiated area were detected adjacent to the resection cavity and were 5?7?mm in depth from 1?day posttreatment and disappeared in about 30?days without any neurologic deterioration. The non-photodynamic therapy group did not show this change. The photodynamic therapy group had significantly lower ADC values from 1?day posttreatment (P?
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