In vitro comparative study of vibro-acoustography versus pulse-echo ultrasound in imaging permanent prostate brachytherapy seeds.

作者: F.G. Mitri , B.J. Davis , J.F. Greenleaf , M. Fatemi

DOI: 10.1016/J.ULTRAS.2008.04.008

关键词:

摘要: Background Permanent prostate brachytherapy (PPB) is a common treatment for early stage cancer. While the modern approach using trans-rectal ultrasound guidance has demonstrated excellent outcome, efficacy of PPB depends on achieving complete radiation dose coverage by obtaining proper source (seed) distribution. Currently, seed placement guided imaging and fluoroscopy. A significant percentage seeds are not detected because certain orientations invisible making accurate intra-operative feedback dosimetry very difficult, if impossible. Therefore, correction suboptimal distributions cannot easily be done with current methods. Vibro-acoustography (VA) an modality that capable solids at any orientation, resulting images speckle free.

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