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Development of pulmonary blood flow evaluation method with a dynamic flat-panel detector: quantitative correlation analysis with findings on perfusion scan
https://doi.org/10.24517/00013273
https://doi.org/10.24517/000132733291842d-ac43-4f92-9483-801fa4d52f14
名前 / ファイル | ライセンス | アクション |
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ME-PR-TANAKA-R-40.pdf (463.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Development of pulmonary blood flow evaluation method with a dynamic flat-panel detector: quantitative correlation analysis with findings on perfusion scan | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
ID登録 | ||||||
ID登録 | 10.24517/00013273 | |||||
ID登録タイプ | JaLC | |||||
著者 |
Tanaka, Rie
× Tanaka, Rie× Sanada, Shigeru× Fujimura, Masaki× Yasui, Masahide× Hayashi, Norio× Tsuji, Shiro× Okamoto, Hiroyuki× Nanbu, Yuko× Matsui, Osamu |
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著者別表示 |
田中, 利恵
× 田中, 利恵× 真田, 茂× 藤村, 政樹× 安井, 正英× 林, 則夫× 辻, 志郎× 岡本, 博之× 松井, 修 |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学医薬保健研究域保健学系 | |||||
書誌情報 |
Radiological Physics and Technology 巻 3, 号 1, p. 40-45, 発行日 2010-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1865-0333 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12236881 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s12194-009-0074-1 | |||||
出版者 | ||||||
出版者 | Springer Verlag (Germany) / Japan Society of Medical Physics = 日本放射線技術学会 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Pulmonary blood flow is reflected in dynamic chest radiographs as changes in X-ray translucency, i.e., pixel values. Thus, decreased blood flow should be observed as a reduction of the variation of X-ray translucency. We performed the present study to investigate the feasibility of pulmonary blood flow evaluation with a dynamic flat-panel detector (FPD). Sequential chest radiographs of 14 subjects were obtained with a dynamic FPD system. The changes in pixel value in each local area were measured and mapped on the original image by use of a gray scale in which small and large changes were shown in white and black, respectively. The resulting images were compared to the findings in perfusion scans. The cross-correlation coefficients of the changes in pixel value and radioactivity counts in each local area were also computed. In all patients, pulmonary blood flow disorder was indicated as a reduction of changes in pixel values on the mapping image, and a correlation was observed between the distribution of changes in pixel value and those in radioactivity counts (0.7 ≤ r, 3 cases; 0.4 ≤ r < 0.7, 7 cases; 0.2 ≤ r < 0.4, 4 cases). The results indicated that the distribution of changes in pixel value could provide a relative measure related to pulmonary blood flow. The present method is potentially useful for evaluating pulmonary blood flow as an additional examination in conventional chest radiography. © 2009 Japanese Society of Radiological Technology and Japan Society of Medical Physics. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |