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The Elastic Constant of Tissue in the Body Estimated from Computerized Tomography and Ultrasonography : Theoretical Analysis
https://doi.org/10.18999/nagjms.44.1-2.41
https://doi.org/10.18999/nagjms.44.1-2.41274652b8-bbfe-4b68-b94d-205108bbc36c
名前 / ファイル | ライセンス | アクション |
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v44n12p41_46.pdf (358.5 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2013-01-24 | |||||
タイトル | ||||||
タイトル | The Elastic Constant of Tissue in the Body Estimated from Computerized Tomography and Ultrasonography : Theoretical Analysis | |||||
言語 | en | |||||
著者 |
SAKUMA, SADAYUKI
× SAKUMA, SADAYUKI× OKUMURA, YUTAKA× OHARA, KEN× ISHIGAKI, TAKEO |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Tissue Characterization | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Tissue Mean Density | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Computerized Tomography | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Ultrasonography | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Tissue Mean Elastic Constant | |||||
抄録 | ||||||
内容記述 | This paper describes a method for calculating the elastic constant of tissue. Length measurements obtained from Ultrasonograms (US) are different from the results obtained from Computerized Tomograms (CT) when the velocity of sound is compared to standardized water measurements. The density of tissue ρt can be approximated by the equation. ρt = 1-Nc/Nair, where Nc and Nair are the CT-values of tissue and air respectively. The elastic constant (bulk modulus) Kt, sound velocity V, and density ρt are related through the following equation, V= (Kt/ρt)^0.5. The elastic constant Kt is then calculated by, Kt = Kw (Lc/Lu)^2・(1 - Nc/Nair), where Kw is the bulk modulus of water, and Lc and Lu are the measured distances from CT and US images respectively. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Nagoya University School of Medicine | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
ID登録 | ||||||
ID登録 | 10.18999/nagjms.44.1-2.41 | |||||
ID登録タイプ | JaLC | |||||
関連情報 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://www.med.nagoya-u.ac.jp/medlib/nagoya_j_med_sci/4412/4412.html | |||||
ISSN(print) | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0027-7622 | |||||
ISSN(Online) | ||||||
収録物識別子タイプ | EISSN | |||||
収録物識別子 | 2186-3326 | |||||
書誌情報 |
en : Nagoya Journal of Medical Science 巻 44, 号 1-2, p. 41-46, 発行日 1981-11 |
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著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/17393 | |||||
識別子タイプ | HDL |