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  1. C100 医学部/医学系研究科
  2. C100b 紀要
  3. Nagoya journal of medical science
  4. 44(1-2)

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.44.1-2.41
274652b8-bbfe-4b68-b94d-205108bbc36c
名前 / ファイル ライセンス アクション
v44n12p41_46.pdf v44n12p41_46.pdf (358.5 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
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
著者 SAKUMA, SADAYUKI

× SAKUMA, SADAYUKI

WEKO 46858

SAKUMA, SADAYUKI

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OKUMURA, YUTAKA

× OKUMURA, YUTAKA

WEKO 46859

OKUMURA, YUTAKA

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OHARA, KEN

× OHARA, KEN

WEKO 46860

OHARA, KEN

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ISHIGAKI, TAKEO

× ISHIGAKI, TAKEO

WEKO 46861

ISHIGAKI, TAKEO

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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.
内容記述タイプ Abstract
出版者
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
ID登録
ID登録 10.18999/nagjms.44.1-2.41
ID登録タイプ JaLC
ISSN(print)
収録物識別子タイプ ISSN
収録物識別子 0027-7622
ISSN(Online)
収録物識別子タイプ ISSN
収録物識別子 2186-3326
書誌情報 Nagoya Journal of Medical Science

巻 44, 号 1-2, p. 41-46, 発行日 1981-11
著者版フラグ
値 publisher
URI
識別子 http://www.med.nagoya-u.ac.jp/medlib/nagoya_j_med_sci/4412/4412.html
識別子タイプ URI
URI
識別子 http://hdl.handle.net/2237/17393
識別子タイプ HDL
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