Physics Bucharest 2017
Prostate markers
• Widely used, 3-4 inserted trans-rectally or trans- perineally • Allows correction for prostate organ motion using 2D equipment available in all centres • Markers need to have high specific gravity e.g. Au or Pt if used with MV rather than kV imaging • Automated detection software available
2D orthogonal images gives 3D position
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