AIMC Topic: Four-Dimensional Computed Tomography

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Dosimetric and delivery efficiency investigation for treating hepatic lesions with a MLC-equipped robotic radiosurgery-radiotherapy combined system.

Medical physics Feb 1, 2016
PURPOSE: The CyberKnife M6 (CK-M6) Series introduced a multileaf collimator (MLC) for extending its capability from stereotactic radiosurgery/stereotactic radiotherapy (SBRT) to conventionally fractionated radiotherapy. This work is to investigate th...
Humans Liver Neoplasms Robotics Radiotherapy Planning, Computer-Assisted Radiotherapy Dosage Radiosurgery Radiometry Four-Dimensional Computed Tomography Particle Accelerators
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A method for volumetric imaging in radiotherapy using single x-ray projection.

Medical physics May 1, 2015
PURPOSE: It is an intriguing problem to generate an instantaneous volumetric image based on the corresponding x-ray projection. The purpose of this study is to develop a new method to achieve this goal via a sparse learning approach.
Humans Machine Learning Lung Time Factors Lung Neoplasms Principal Component Analysis Models, Biological Motion Respiration Radiotherapy Phantoms, Imaging X-Rays Diaphragm Four-Dimensional Computed Tomography
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Comparison between target margins derived from 4DCT scans and real-time tumor motion tracking: insights from lung tumor patients treated with robotic radiosurgery.

Medical physics Mar 1, 2015
PURPOSE: A unique capability of the CyberKnife system is dynamic target tracking. However, not all patients are eligible for this approach. Rather, their tumors are tracked statically using the vertebral column for alignment. When using static tracki...
Humans Aged Time Factors Lung Neoplasms Robotics Radiotherapy Planning, Computer-Assisted Radiosurgery Movement Uncertainty Four-Dimensional Computed Tomography
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