In modern radiotherapy, verification of the treatment to ensure the target receives the
prescribed dose and normal tissues are optimally spared has become essential. Several …

External beam radiation therapy (EBRT) is included in the treatment regimen of the majority
of cancer patients. With the proliferation of hypofractionated radiotherapy treatment …

Intrafractional motion of the prostate can be significant, and its management is of particular
importance for hypofractionated regimes and stereotactic ablative radiotherapy (SABR). In …

In recent years, accelerated partial breast irradiation (APBI) has been considered an
alternative to whole breast irradiation for patients undergoing breast-conserving therapy …

Background. Over the last two decades, breast cancer remains the main cause of cancer
deaths in women. To treat this type of cancer, radiation therapy (RT) has proved to be …

Background. Daily image-guided radiotherapy (IGRT) using two orthogonal setup images
may be inaccurate for breast cancer patients treated in free breathing because the setup …

准确的计划靶区(Planning Target Vlume, PTV) 是精确放疗的关键. 在乳腺癌放疗中,
摆位误差和呼吸运动是构建PTV 的主要因素, 其引起靶区位移给PTV 的确定带来困扰 …

Purpose To evaluate seed placement accuracy in permanent breast seed implant
brachytherapy (PBSI), to identify any systematic errors and evaluate their effect on …

放射治疗是乳腺癌综合治疗的有效手段之一, 但因受器官运动等诸多因素影响,
乳腺癌靶区发生偏移, 使放疗的精确度大大降低. 目前临床上主要通过各种运动监测技术来监测 …

Purpose: To identify the relevant technical sources of error of a system based on three‐
dimensional ultrasound (3D US) for patient positioning in external beam radiotherapy. To …