A new real-time high-frequency subharmonic contrast mode for mouse Imaging

被引:3
|
作者
Needles, A. [1 ]
Graba, J. [1 ]
Bilan, C. [1 ]
Coulthard, T. [1 ]
Goertz, D. D. E. [1 ]
Foster, F. S. [1 ,2 ]
Goertz, D. E. [2 ]
Stapleton, S. [2 ]
Foster, F. S. [1 ,2 ]
机构
[1] VisualSon Inc, Toronto, ON, Canada
[2] Sunnybrook Hlth Sci Ctr, Toronto, ON, Canada
关键词
D O I
10.1109/ULTSYM.2007.270
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Current commercial high-frequency (10) imaging systems detect microbubble contrast agents in small animals using a fundamental frequency postprocessing image-subtraction technique; however, the contrast enhancement is limited. Previous reports have shown the feasibility of HF subharmonic (SH) imaging, but have only been conducted with isolated non-consecutive image frames and in 2D mode. The motivation for this study is to implement and investigate a real-time HIT 2D/3D SH imaging mode with the capability of high speed sequential image acquisition which can be used to track enhancement dynamics. In vivo results compare both fundamental and SH real-time image sequences and 3D images acquired with fast scanning.
引用
收藏
页码:1069 / +
页数:2
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