Deformable image registration for cone-beam CT guided transoral robotic base-of-tongue surgery

  title={Deformable image registration for cone-beam CT guided transoral robotic base-of-tongue surgery},
  author={Sureerat Reaungamornrat and Wen P. Liu and A. S. Wang and Yoshito Otake and Sajendra Nithiananthan and Ali Uneri and Sebastian Schafer and Erik Tryggestad and Jeremy D. Richmon and Jonathan M. Sorger and Jeffrey H. Siewerdsen and R. H. Taylor},
  journal={Physics in Medicine and Biology},
  pages={4951 - 4979}
Transoral robotic surgery (TORS) offers a minimally invasive approach to resection of base-of-tongue tumors. However, precise localization of the surgical target and adjacent critical structures can be challenged by the highly deformed intraoperative setup. We propose a deformable registration method using intraoperative cone-beam computed tomography (CBCT) to accurately align preoperative CT or MR images with the intraoperative scene. The registration method combines a Gaussian mixture (GM… 

A gaussian mixture + demons deformable registration method for cone-beam CT-guided robotic transoral base-of-tongue surgery

A promising framework has been developed for CBCT-guided TORS in which intraoperative CBCT provides a basis for registration of preoperative images to the highly deformed intraoperative setup.

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