Elastographic imaging of thermal lesions in soft tissue:: A preliminary study in vitro

被引：60
|
作者：
Stafford, RJ
Kallel, F
Price, RE
Cromeens, DM
Krouskop, TA
Hazle, JD
Ophir, J
机构：
[1] Univ Texas, Sch Med, Dept Radiol, Ultrasound Lab, Houston, TX 77030 USA
[2] Baylor Coll Med, Dept Phys Med & Rehabil, Houston, TX 77030 USA
[3] Univ Texas, MD Anderson Cancer Ctr, Dept Diagnost Radiol, Houston, TX 77030 USA
[4] Univ Texas, MD Anderson Cancer Ctr, Dept Vet Med & Surg, Houston, TX 77030 USA
来源：
ULTRASOUND IN MEDICINE AND BIOLOGY | 1998年 / 24卷 / 09期
关键词：
ultrasound; elastography; strain; neodymium-YAG laser; high-intensity focused ultrasound; tissue ablation; magnetic resonance imaging; minimally invasive surgery;
D O I：
10.1016/S0301-5629(98)00099-4
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The use of elastography for the visualization of thermal lesions in biological soft tissue in vitro was investigated. Thermal lesions were created in samples of postmortem ovine kidney using a surgical neodymium: YAG (Nd:YAG) laser. The kidney samples were cast in gel, and elastographic images of the lesions were constructed using sonographic information and external markers to locate the region of interest. Gross pathology of the kidney samples confirmed the dimensions of the lesions. Good correlation between the lesion length along the laser fiber axis and maximum diameter measured off of the fiber axis determined from elastographic images and gross pathology photographs was found. (C) 1998 World Federation far Ultrasound in Medicine & Biology.
引用
收藏
页码：1449 / 1458
页数：10
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