SHEN Jing, CHEN Wanqi, HOU Xiaorong, QIU Jie. Current Status and Prospects of Radiation Therapy Guided by Optical Surface Monitoring Technology[J]. Medical Journal of Peking Union Medical College Hospital, 2024, 15(1): 135-140. DOI: 10.12290/xhyxzz.2023-0287
Citation: SHEN Jing, CHEN Wanqi, HOU Xiaorong, QIU Jie. Current Status and Prospects of Radiation Therapy Guided by Optical Surface Monitoring Technology[J]. Medical Journal of Peking Union Medical College Hospital, 2024, 15(1): 135-140. DOI: 10.12290/xhyxzz.2023-0287

Current Status and Prospects of Radiation Therapy Guided by Optical Surface Monitoring Technology

  • Surface guided radiation therapy (SGRT) is a non-radiation, non-invasive technology that provides continuous postural monitoring of patients during radiotherapy. Using advanced 3D optical surface localization and tracking technology, SGRT quickly captures the surface contour information of patients through optical means to generate high-precision 3D surface contours, enabling real-time monitoring of patients during radiotherapy to ensure its accuracy. This image-guided technology has been widely applied in radiotherapy for tumors in different parts of the body, such as breast, intracranial, head and neck, and limbs. SGRT can reduce initial setup errors and provide real-time monitoring during treatment, or be combined with respiratory gating and deep inspiration breath-hold techniques. SGRT can also reduce radiation dose by reducing the use of CBCT, improve patient comfort with the use of immobilization devices, and enhance clinical speed, efficiency, and safety. This review aims to provide an overview of the commonly used technology and clinical applications of SGRT, and discuss its current limitations and future prospects.
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