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Diffusion tensor imaging using a high-temperature superconducting resonator in a 3 T magnetic resonance imaging for a spontaneous rat brain tumor
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10.1063/1.4790115
/content/aip/journal/apl/102/6/10.1063/1.4790115
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/6/10.1063/1.4790115

Figures

Image of FIG. 1.
FIG. 1.

(a) 3 T system setup of the rat experiment, where a matching and signal pick-up resonator for tuning variable capacitance was put in the middle of the Bi-2223 surface resonator. (b) Circuit diagram of the matching and signal pick-up resonator with the variable tuning trimmer capacitor C1 and the Bi-2223 surface resonator of (a).

Image of FIG. 2.
FIG. 2.

Images of the spontaneous brain tumor of a rat with (a) a copper surface resonator set at 300 K with SNR of 30 and (b) a HTS tape surface resonator set at 77 K with SNR of 112.5. An SNR gain of 3.75 was obtained by using the HTS-based surface resonator with the same acquisition time as the copper surface resonator.

Image of FIG. 3.
FIG. 3.

DWI of the brain of a rat with (a) a copper surface resonator set at 300 K and (b) a HTS surface resonator set at 77 K.

Image of FIG. 4.
FIG. 4.

DTI of the brain of a rat with (a) a copper surface resonator set at 300 K (normal threshold setup), (b) a HTS tape surface resonator set at 77 K (normal threshold setup), (c) a copper surface resonator set at 300 K (with 40% of the normal threshold setup), (d) a HTS tape surface resonator set at 77 K (with 40% of the normal threshold setup), (e) 4 × magnification of the rat brain tumor portion of (c) showing details of the rat brain tumor, and (f) 4 × magnification of the rat brain tumor portion of (d) showing details of the rat brain tumor.

Image of FIG. 5.
FIG. 5.

(a) ADC map and (b) FA map of a rat brain tumor. The FA map shows high water diffusion anisotropy in the tissue on the upper-left part of the tumor (see blue arrow); however, the FA map regions on the upper-right part of the brain tumor show low water diffusion anisotropy in the tissue (see red arrow).

Tables

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Table I.

Results of the ADC and FA maps of a rat brain section.

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/content/aip/journal/apl/102/6/10.1063/1.4790115
2013-02-11
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Diffusion tensor imaging using a high-temperature superconducting resonator in a 3 T magnetic resonance imaging for a spontaneous rat brain tumor
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/6/10.1063/1.4790115
10.1063/1.4790115
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