Radiation Therapy
Types Of Radiation Therapy
Department Of Medical Physics
TomoTherapy® is a radiation therapy system that was originally developed by medical physicists of the University of Wisconsin in the late 1980s, as a novel concept to deliver dynamic helical radiotherapy, combined with image guidance. It is in a 1993 publication1 that Rock Mackie and team first proposed the innovative concept of TomoTherapy and gave this definition:
“TomoTherapy, literally ‘slice therapy’, is a proposal for the delivery of radiation therapy with intensity modulated strips of radiation
The basic idea was to put a linear accelerator into a CT-like ring gantry configuration and deliver therapeutic radiation using a rotating fan beam which is modulated by a multi-leaved collimator system, while the patient moves through the gantry in the longitudinal direction.
The system would use a tomographic imaging system for treatment verification, and tomographic reconstruction mathematics for optimal treatment planning.” “This method would result in the delivery of highly conformal radiation”,.
Tomotherapy
Radiation Concentrating On Moving Target Tissue
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