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Improving the image and quantitative...

Kaggie, Joshua D.

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Improving the image and quantitative data of magnetic resonance imaging through hardware and physics techniques.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Improving the image and quantitative data of magnetic resonance imaging through hardware and physics techniques./
作者:	Kaggie, Joshua D.
面頁冊數:	235 p.
附註:	Source: Dissertation Abstracts International, Volume: 77-06(E), Section: B.
Contained By:	Dissertation Abstracts International77-06B(E).
標題:	Medical imaging. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3746649
ISBN:	9781339401096

Improving the image and quantitative data of magnetic resonance imaging through hardware and physics techniques.
Kaggie, Joshua D.

Improving the image and quantitative data of magnetic resonance imaging through hardware and physics techniques. - 235 p.

Source: Dissertation Abstracts International, Volume: 77-06(E), Section: B.

Thesis (Ph.D.)--The University of Utah, 2015.

In Chapter 1, an introduction to basic principles or MRI is given, including the physical principles, basic pulse sequences, and basic hardware. Following the introduction, five different published and yet unpublished papers for improving the utility of MRI are shown.

ISBN: 9781339401096Subjects--Topical Terms:

3172799
Medical imaging.

Improving the image and quantitative data of magnetic resonance imaging through hardware and physics techniques.
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245 1 0 $a Improving the image and quantitative data of magnetic resonance imaging through hardware and physics techniques.
300 $a 235 p.
500 $a Source: Dissertation Abstracts International, Volume: 77-06(E), Section: B.
500 $a Adviser: Brian T. Saam.
502 $a Thesis (Ph.D.)--The University of Utah, 2015.
520 $a In Chapter 1, an introduction to basic principles or MRI is given, including the physical principles, basic pulse sequences, and basic hardware. Following the introduction, five different published and yet unpublished papers for improving the utility of MRI are shown.
520 $a Chapter 2 discusses a small rodent imaging system that was developed for a clinical 3 T MRI scanner. The system integrated specialized radiofrequency (RF) coils with an insertable gradient, enabling 100 microm isotropic resolution imaging of the guinea pig cochlea in vivo, doubling the body gradient strength, slew rate, and contrast-to-noise ratio, and resulting in twice the signal-to-noise (SNR) when compared to the smallest conforming birdcage.
520 $a Chapter 3 discusses a system using BOLD MRI to measure T2* and invasive fiberoptic probes to measure renal oxygenation (pO2). The significance of this experiment is that it demonstrated previously unknown physiological effects on pO2, such as breath-holds that had an immediate (<1 sec) pO2 decrease (&sim;6 mmHg), and bladder pressure that had pO2 increases (&sim;6 mmHg).
520 $a Chapter 4 determined the correlation between indicators of renal health and renal fat content. The R2 correlation between renal fat content and eGFR, serum cystatin C, urine protein, and BMI was less than 0.03, with a sample size of &sim;100 subjects, suggesting that renal fat content will not be a useful indicator of renal health.
520 $a Chapter 5 is a hardware and pulse sequence technique for acquiring multinuclear 1H and 23Na data within the same pulse sequence. Our system demonstrated a very simple, inexpensive solution to SMI and acquired both nuclei on two 23Na channels using external modifications, and is the first demonstration of radially acquired SMI.
520 $a Chapter 6 discusses a composite sodium and proton breast array that demonstrated a 2-5x improvement in sodium SNR and similar proton SNR when compared to a large coil with a linear sodium and linear proton channel. This coil is unique in that sodium receive loops are typically built with at least twice the diameter so that they do not have similar SNR increases.
520 $a The final chapter summarizes the previous chapters.
590 $a School code: 0240.
650 4 $a Medical imaging. $3 3172799
650 4 $a Electrical engineering. $3 649834
650 4 $a Medicine. $3 641104
650 4 $a Physics. $3 516296
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710 2 $a The University of Utah. $b Physics and Astronomy. $3 2096718
773 0 $t Dissertation Abstracts International $g 77-06B(E).
790 $a 0240
791 $a Ph.D.
792 $a 2015
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3746649