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基于组织B超特征的癌热疗无创检测实验

Keywords: 癌热疗,温度检测,超声组织定征

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Abstract:

为了发展实用的临床监控技术,在原理分析的基础上设计实验系统,研究热疗中生物组织B超特征参数的变化.采用水域和微波介入2种加热方式,获取温热疗法和高温原位灭活治疗过程中动物肝脏的B超图像,利用图像处理方法提取不同温度下的组织B超特征参数,并分析其温度相关性.实验结果表明:组织B超图像参数(灰度、梯度、功率谱密度、纹理结构等)随着温度变化而变化,图像灰度与组织温度间具有较好的线性相关性,利用这种相关性可实现热疗中深部组织温度的无创检测.

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