Program Information

	Quality Assurance and Imaging Dose in IGRT Procedures	Wednesday
	Joint Imaging -Therapy Scientific Session	4:30PM - 6:00PM	Room: 141

Moderator 1: Charles Pelizzari, Univ Chicago
Moderator 2: George Ding, Vanderbilt University

4:30 PM WE-G-141-1

The Imaging and Radiation Oncology Core (IROC) Group: A Proposed New Clinical Trial Quality Assurance Organization D. Followill*, M. Knopp, J. Galvin, T. FitzGerald, J. Michalski, M. Rosen, F. Laurie, E. O'Meara, S. King

4:40 PM WE-G-141-2

Impact of Imaging Quality On Interfraction Patient Setup Errors and Autocorrelation in Image Guided Head-And-Neck Radiotherapy S. Qi*, A. Hu

4:50 PM WE-G-141-3

Diagnostic Quality CT with Soft Tissue Alignment for IGRT Can Safely Reduce Planning Margins For Prostate Cancer: Implication For SBRT W. Li*, A. Vassil, L. Muhieddine Mossolly, Q. Shang, P. Xia

5:00 PM WE-G-141-4

Use of a Dynamic KV X-Ray Collimator for Reduced-Dose Fluoroscopic Fiducial Tracking E. Pearson, A. Belcher*, Z. Grelewicz, R. Wiersma, C. Pelizzari

5:10 PM WE-G-141-5

The Image Quality of Ion Computed Tomography at Clinical Imaging Dose Levels D. Hansen*, T. Sorensen, J. Seco

5:20 PM WE-G-141-6

Progressive Cone Beam CT Dose Control in Image-Guided Radiation Therapy H. Yan*, x. zhen, L. Cervino, S. Jiang, X. Jia

5:30 PM WE-G-141-7

Feasibility of Using a Grid to Detect and Correct the Geometric Variations in Flat-Panel Based Cone Beam CT G. Zou*, L. Ren, J. Kim, D. Jaffray, I. Chetty, J. Jin

5:40 PM WE-G-141-8

Simultaneous Reduction of Radiation Dose and Scatters for CBCT by Using Collimators T. Li*, X. Li, Y. Yang, Y. Zhang, D. Heron, M. Huq

5:50 PM WE-G-141-9

Prospective Image Planning in Radiation Therapy for Optimization of Image Quality and Reduction of Patient Dose B. Thapa*, J. Molloy