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- W2334347943 abstract "133Xe, シンチカメラおよびオンライン・データ処理装置を用いて, initial slope法に基づく局所脳血流量 (rCBFinitial) のfunctional image (FI) およびその相対標準偏差 (RSD) を示す分布図 (RSDmap) を作成し, 算出されたrCBFinitial値, 統計誤差および解像力等に関する検討を行った。種々の条件下で処理を行った結果, FIのrCBFinitial値, 統計誤差および解像力等の見地から, (1) time interval10秒, (2) filter factor f=6.0, 10.2または15.1のsequential map smoothing (64×64matrix) , (3) 3回のcurve smoothingなどが現在の段階での最適処理条件と結論された。これらの条件下で解像力の優れた, また統計誤差もHeight/Area法に比較して小さい (平均RSD=1～4%) FIが得られた。" @default.
- W2334347943 created "2016-06-24" @default.
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- W2334347943 date "1977-01-01" @default.
- W2334347943 modified "2023-09-27" @default.
- W2334347943 title "Technical Considerations for Functional Imaging of Regional Cerebral Blood Flow with 133Xe" @default.
- W2334347943 doi "https://doi.org/10.3769/radioisotopes.26.4_221" @default.
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