Intensity Modulated Radiation Therapy (IMRT) – viva station
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Intensity Modulated Radiation Therapy (IMRT)​1​
• IMR is a significant advance over 3D-CR and is now used standardly or treatment of most head and neck tumors.
• IMR uses many beams or arcs and requires the use of computer-based planning to create sophisticated radiation plans in which small leaves move in and out of each radiation field to block critical structures.
• Essentially this makes it possible to curve the delivered radiation dose around critical structures such as the parotid gland or spinal cord in order to deliver dose to targets
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