Linear Accelerators for Radiation: The Future of Radiation Therapy
Total Body and Partial Body Irradiation: Linacs enable large field homogeneous total body or partial body irradiation needed prior to bone marrow transplantation. This helps prepare patients for stem cell transplantation to treat blood cancers and other diseases.
Intraoperative Radiotherapy: Novel linac systems have been developed to deliver targeted radiation during surgeries using miniaturized heads that fit inside the operating room. This allows delivering higher ablative doses while sparing surrounding healthy tissues.
Nuclear Medicine Production: Some Linear Accelerators for Radiation are optimized to generate positron emitting radiotracers like Fluorine-18 by bombarding targets like neon or hydrogen gas with their high-energy beams. These tracers are crucial for PET imaging procedures.
The Benefits of Linear Accelerators
With their ability to generate megavoltage X-rays and sculpt beams precisely, linear accelerators offer several advantages over older radiation therapy techniques:
- Higher energy X-rays allow treating deep-seated tumors while minimizing exit dose and entry dose to superficial tissues. This improves the therapeutic ratio.
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