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MR imaging applications in radiotherapy.

Du, Dongsu.

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MR imaging applications in radiotherapy.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	MR imaging applications in radiotherapy./
作者:	Du, Dongsu.
面頁冊數:	124 p.
附註:	Source: Dissertation Abstracts International, Volume: 76-10(E), Section: B.
Contained By:	Dissertation Abstracts International76-10B(E).
標題:	Medical imaging. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3707614
ISBN:	9781321823103

MR imaging applications in radiotherapy.
Du, Dongsu.

MR imaging applications in radiotherapy. - 124 p.

Source: Dissertation Abstracts International, Volume: 76-10(E), Section: B.

Thesis (Ph.D.)--Washington University in St. Louis, 2015.

This item is not available from ProQuest Dissertations & Theses.

This thesis focused on applications of magnetic resonance imaging (MRI) in radiotherapy. Two important aspects of these applications, imaging of organ motion and the MRI based treatment planning, were studied in detail in this thesis.

ISBN: 9781321823103Subjects--Topical Terms:

3172799
Medical imaging.

MR imaging applications in radiotherapy.
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245 1 0 $a MR imaging applications in radiotherapy.
300 $a 124 p.
500 $a Source: Dissertation Abstracts International, Volume: 76-10(E), Section: B.
500 $a Advisers: Lihong Wang; Yanle Hu.
502 $a Thesis (Ph.D.)--Washington University in St. Louis, 2015.
506 $a This item is not available from ProQuest Dissertations & Theses.
520 $a This thesis focused on applications of magnetic resonance imaging (MRI) in radiotherapy. Two important aspects of these applications, imaging of organ motion and the MRI based treatment planning, were studied in detail in this thesis.
520 $a To study the MRI application in motion imaging, novel four dimensional MRI (4DMRI) techniques were developed. The main purpose of this study is to acquire high quality 4D images within clinically acceptable scan time. Both simulation and healthy volunteer studies were conducted for different 4DMRI techniques. The results were analyzed and compared. Some advanced techniques, such as amplitude and phase based triggering 4DMRI, were investigated to accelerate the image acquisition speed.
520 $a For MRI based treatment planning, the concept of "intrinsic dosimetric error" of bulk density overridden plans was created and evaluated using patients' data. This study demonstrates that the magnitude of the intrinsic dosimetric error depends on tumor sites, tissue segmentation methods and the inhomogeneity of tissue electron densities. The conclusion is meaningful for the future MRI based treatment planning research.
590 $a School code: 0252.
650 4 $a Medical imaging. $3 3172799
650 4 $a Biomedical engineering. $3 535387
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710 2 $a Washington University in St. Louis. $b Biomedical Engineering. $3 1669544
773 0 $t Dissertation Abstracts International $g 76-10B(E).
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791 $a Ph.D.
792 $a 2015
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3707614