Phased-array MRI of canine prostate using endorectal and endourethral coils.
Phased-array MRI of canine prostate using endorectal and endourethral coils.
复制标题
使用直肠内和尿道内线圈对犬前列腺进行相控阵 MRI。
DOI:
10.1002/mrm.10432
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发表时间:
2003
影响因子:
3.3
通讯作者:
Atalar,Ergin
中科院分区:
文献类型:
--
作者:
Yung,AndrewC;Oner,AliY;Serfaty,Jean-Michel;Feneley,Mark;Yang,Xiaoming;Atalar,Ergin
A four‐channel phased array consisting of one surface coil, two endorectal coils, and one flexible endourethral loop coil was designed for MRI of the canine prostate. The endorectal coils provide high signal in the posterior region of the prostate, while the endourethral and surface coils are sensitive to the central and anterior regions of the prostate. Gel phantom experiments indicate that the proposed phased‐array configuration generates 15 times more signal‐to‐noise ratio (SNR) than a combination of two surface coils and one endorectal coil within the posterior region of the prostate; the performance of the two configurations is comparable near the anterior prostate surface. Ultimate intrinsic SNR (UISNR) analysis was used to compare the proposed phased array's performance to the best possible SNR for external coils. This analysis showed that the proposed phased array outperforms the best‐case external coil within the posterior and central regions of the prostate by up to 20 times. In canine experiments in vivo, high‐resolution fast spin‐echo (FSE) images of the prostate were obtained with a pixel size of 230 μm obtained in 3 min 12 s. The proposed phased‐array design potentially can be used to increase the accuracy of prostate cancer staging and the feasibility of MR‐guided prostate interventions. Magn Reson Med 49:710–715, 2003. © 2003 Wiley‐Liss, Inc.
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影响因子:
3.7
作者:
K. Kasturi;P. Harrison
通讯作者:
P. Harrison
影响因子:
2.2
作者:
R. Sinden
通讯作者:
R. Sinden
DOI:
10.4269/ajtmh.1986.35.37
发表时间:
1986
期刊:
The American journal of tropical medicine and hygiene
影响因子:
--
作者:
M. J. Stewart;S. Schulman;J. Vanderberg
通讯作者:
J. Vanderberg
DOI:
10.1159/000318614
发表时间:
1988
期刊:
Progress in allergy
影响因子:
--
作者:
A. Holder
通讯作者:
A. Holder
DOI:
10.1083/jcb.93.3.591
发表时间:
1982-06
期刊:
The Journal of cell biology
影响因子:
--
作者:
Sarris AH;Palade GE
通讯作者:
Palade GE