孔炜伟, 尹振宇, 刘宝瑞. 不同HIFU辐照模式损伤离体牛肝的研究[J]. 实用临床医药杂志, 2005, (5): 17-20. DOI: 10.3969/j.issn.1672-2353.2005.05.005
引用本文: 孔炜伟, 尹振宇, 刘宝瑞. 不同HIFU辐照模式损伤离体牛肝的研究[J]. 实用临床医药杂志, 2005, (5): 17-20. DOI: 10.3969/j.issn.1672-2353.2005.05.005
KONG Wei-wei, YIN Zhen-yu, LIU Bao-rui. COMPARISON OF ABLATIONS OF BOVINE LIVER TISSUE IN VITRO BY DIFFERENT HIFU EXPOSURE PATTERNS[J]. Journal of Clinical Medicine in Practice, 2005, (5): 17-20. DOI: 10.3969/j.issn.1672-2353.2005.05.005
Citation: KONG Wei-wei, YIN Zhen-yu, LIU Bao-rui. COMPARISON OF ABLATIONS OF BOVINE LIVER TISSUE IN VITRO BY DIFFERENT HIFU EXPOSURE PATTERNS[J]. Journal of Clinical Medicine in Practice, 2005, (5): 17-20. DOI: 10.3969/j.issn.1672-2353.2005.05.005

不同HIFU辐照模式损伤离体牛肝的研究

COMPARISON OF ABLATIONS OF BOVINE LIVER TISSUE IN VITRO BY DIFFERENT HIFU EXPOSURE PATTERNS

  • 摘要: 目的比较不同HIFU辐照模式损伤离体牛肝的优劣,为临床应用提供依据.方法固定声功率及辐照深度,总辐照时间分别为1、 3、 5 s, 采用长时单次辐照与短时多次辐照2种模式损伤离体牛肝,从靶点温升、超声灰度及病理改变等几方面进行比较.结果与短时多次辐照模式相比,长时单次辐照后靶点温度较高,可见靶区超声灰度增强,大体及光镜下靶区组织呈凝固性坏死,与正常组织分界清晰.结论 2种HIFU辐照模式均可造成靶区离体牛肝组织坏死,长时单次辐照模式的损伤效果较好,但临床治疗中这2种辐照模式的优劣有必要进一步探讨.

     

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