Clinical Radiation Physics Service

我们已经制定了常规的动态调强放射治疗(DIMRT)。这是调强放射治疗中最复杂的治疗，需要大量的治疗前验证以确保准确实施。这些治疗是使用我们的双Clinac-21EX加速器提供的。用于通过螺旋断层治疗提供治疗的TomoTreatment Inc.High-ART系统已经安装并被接受，目前正在治疗患者。该系统为Rob提供了尖端的治疗技术，以支持未来的临床试验。我们已经开始使用我们的Nucletron高剂量率后加载机(HDR)，使用小而高强度的192Ir源进行组织间和腔间近距离放射治疗。我们的放射外科能力已经扩大，购买了3个直径分别为5 mm、7.5 mm和10 mm的新涂布器。一台新的飞利浦华晨16层大口径CT模拟器已经安装并投入使用。车载成像(OBI)已安装在较新的Clinac-21EX上。用于提供门控放射治疗的瓦里安RPM呼吸门控系统的最后一个组件已经获得，我们正在等待交付。呼吸门控将通过补偿治疗过程中有规律的呼吸运动来提高靶向能力。我们有了一位新的物理学家来分担临床和研究职责。他在计算机应用程序和体绘制方面的广泛专业知识将证明对该科的研究任务是无价的。他之前是我们分公司的一名成像科学家，但接受过医学物理培训，并顺利完成了资格考试，获得了认证。成像科学家的空缺由一名具有丰富经验的资深成像科学家填补。我们还有一名博士后研究员，他也在接受医学物理学家的培训。他的研究主要是基于蒙特卡罗的辐射剂量学

We have institu8ed routine dynamic Intensity Modulated Radiation Therapy (dIMRT). This is the most complex of IMRT treatments and requires considerable pre-treatment verification to ensure accurate execution. These treatments are delivered using our twin Clinac-21EX accelerators. A Tomotherapy Inc. Hi-ART system for delivering treatments via helical tomotherapy has been installed, accepted and is currently treating patients. This system provides ROB with cutting edge treatment technology to support future clinical trials. We have started a series of initiatives with our Nucletron High Dose-Rate Afterloader (HDR) , using a small, high intensity 192Ir source for interstitial and intercavitary brachytherapy. Our radiosurgery capability has been expanded with the acquisition of 3 new applicators with diameters of 5mm, 7.5mm and 10mm. A new Philips Brilliance 16 slice, large bore CT Simulator has been installed and is operational. On-board imaging (OBI) has been installed on the newer Clinac-21EX. The final component of the Varian RPM Respiratory Gating system for providing gated radiation therapy has been acquired and we are awaiting delivery. Respiratory gating will improve targeting ability by compensating for regular respiratory motions during treatment. We have a new physicist to share clinical and research duties. His broad expertise in computer applications and volume rendering will prove invaluable to the research mission of the branch. He was previously an imaging scientist in our branch, but trained in medical physics and successfully completed his qualifying examinations to obtain certification. The imaging scientist vacancy was filled by a senior imaging scientist with extensive experience. We also have a post doctoral fellow who is also training as a medical physicist. His research is principally in Monte Carlo based radiation dosimetry