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Pulmonary blood flow evaluation using a dynamic flat-panel detector: Feasibility study with pulmonary diseases
https://doi.org/10.24517/00014550
https://doi.org/10.24517/00014550d072e744-c8c6-47dc-bd83-0221c3ede23c
名前 / ファイル | ライセンス | アクション |
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ME-PR-TANAKA-R-449.pdf (383.5 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 | Pulmonary blood flow evaluation using a dynamic flat-panel detector: Feasibility study with pulmonary diseases | |||||
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 | 10.24517/00014550 | |||||
ID登録タイプ | JaLC | |||||
著者 |
Tanaka, Rie
× Tanaka, Rie× Sanada, Shigeru× Fujimura, Masaki× Yasui, Masahide× Tsuji, Shiro× Hayashi, Norio× 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× 辻, 志郎× 林, 則夫× 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 |
International Journal of Computer Assisted Radiology and Surgery 巻 4, 号 5, p. 449-455, 発行日 2009-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1861-6410 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12154754 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s11548-009-0364-4 | |||||
出版者 | ||||||
出版者 | Springer Verlag (Germany) | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Purpose: Pulmonary ventilation and circulation dynamics are reflected on fluoroscopic images as changes in X-ray translucency. The purpose of this study was to investigate the feasibility of non-contrast functional imaging using a dynamic flat-panel detector (FPD). Methods: Dynamic chest radiographs of 20 subjects (abnormal, n = 12; normal, n = 8) were obtained using the FPD system. Image analysis was performed to get qualitative perfusion mapping image; first, focal pixel value was defined. Second, lung area was determined and pulmonary hilar areas were eliminated. Third, one cardiac cycle was determined in each of the cases. Finally, total changes in pixel values during one cardiac cycle were calculated and their distributions were visualized with mapping on the original image. They were compared with the findings of lung perfusion scintigraphy. Results: In all normal controls, the total changes in pixel value in one cardiac cycle decreased from the hilar region to the peripheral region of the lung with left-right symmetric distribution. In contrast, in many abnormal cases, pulmonary blood flow disorder was indicated as a reduction of changes in pixel values on a mapping image. The findings of mapping image coincided with those of lung perfusion scintigraphy. Conclusions: Dynamic chest radiography using an FPD system with computer analysis is expected to be a new type of functional imaging, which provides pulmonary blood flow distribution additionally. © CARS 2009. | |||||
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 |