Improve definition of titanium tandems in MR-guided high dose rate brachytherapy for cervical cancer using proton density weighted MRI

@inproceedings{Hu2013ImproveDO,
  title={Improve definition of titanium tandems in MR-guided high dose rate brachytherapy for cervical cancer using proton density weighted MRI},
  author={Yanle Hu and Jacqueline Esthappan and Sasa Mutic and Susan L. Richardson and Hiram A. Gay and Julie K. Schwarz and Perry Grigsby},
  booktitle={Radiation oncology},
  year={2013}
}
BACKGROUND For cervical cancer patients treated with MR-guided high dose rate brachytherapy, the accuracy of radiation delivery depends on accurate localization of both tumors and the applicator, e.g. tandem and ovoid. Standard T2-weighted (T2W) MRI has good tumor-tissue contrast. However, it suffers from poor uterus-tandem contrast, which makes the tandem delineation very challenging. In this study, we evaluated the possibility of using proton density weighted (PDW) MRI to improve the… CONTINUE READING

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