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A Monte Carlo study to investigate the feasibility of an on-board SPECT/spectral-CT/CBCT imager for medical linear accelerator.
Medical Physics ( IF 3.8 ) Pub Date : 2020-07-18 , DOI: 10.1002/mp.14398 Hui Wang 1 , Ke Nie 2 , Jacqueline Chang 1 , Yu Kuang 1
Medical Physics ( IF 3.8 ) Pub Date : 2020-07-18 , DOI: 10.1002/mp.14398 Hui Wang 1 , Ke Nie 2 , Jacqueline Chang 1 , Yu Kuang 1
Affiliation
The on‐board flat‐panel cone‐beam computed tomography (CBCT) lacks molecular/functional information for current online image‐guided radiation therapy (IGRT). It might not be adequate for adaptive radiation therapy (ART), particularly for biologically guided tumor delineation and targeting which might be shifted and/or distorted during the course of RT. A linear accelerator (Linac) gantry‐mounted on‐board imager (OBI) was proposed using a single photon counting detector (PCD) panel to achieve single photon emission computed tomography (SPECT), energy‐resolved spectral CT, and conventional CBCT triple on‐board imaging, which might facilitate online ART with an addition of volumetric molecular/functional imaging information.
中文翻译:
一项蒙特卡洛研究,旨在研究车载SPECT / SPECT / CT / CBCT成像仪用于医疗线性加速器的可行性。
机载平板锥束计算机断层扫描(CBCT)缺乏当前在线影像引导放射治疗(IGRT)的分子/功能信息。对于适应性放射治疗(ART),尤其是对于生物学指导的肿瘤描绘和靶向,在RT期间可能会发生偏移和/或扭曲,这可能并不足够。提出了使用单光子计数检测器(PCD)面板的线性加速器(Linac)龙门式车载成像仪(OBI),以实现单光子发射计算机断层扫描(SPECT),能量分辨谱CT和常规CBCT三重成像板载成像,可能会通过添加体积分子/功能成像信息来促进在线ART。
更新日期:2020-07-18
中文翻译:
一项蒙特卡洛研究,旨在研究车载SPECT / SPECT / CT / CBCT成像仪用于医疗线性加速器的可行性。
机载平板锥束计算机断层扫描(CBCT)缺乏当前在线影像引导放射治疗(IGRT)的分子/功能信息。对于适应性放射治疗(ART),尤其是对于生物学指导的肿瘤描绘和靶向,在RT期间可能会发生偏移和/或扭曲,这可能并不足够。提出了使用单光子计数检测器(PCD)面板的线性加速器(Linac)龙门式车载成像仪(OBI),以实现单光子发射计算机断层扫描(SPECT),能量分辨谱CT和常规CBCT三重成像板载成像,可能会通过添加体积分子/功能成像信息来促进在线ART。