meetings
Attitude in the Clinic and their Effects on Patient Safety: Generational Differences Part Deux
Scott Green, MS, CMD, RT(R)(T)
Recorded sessions are to be used for educational purposes only. Use or redistribution of any kind is not permitted without the direct written consent from AAMD and the presenter.
Gabrielle Avila, BS
Panayiotis Mavroidis, PhD; Niko Papanikolaou, PhD; Alonso Gutierrez, PhD; Diana Baacke, CMD; Zheng Shi, MD; Sotirios Stathakis, PhD
The University of Texas Health Science Center San Antonio
Title: “Comparison of Independent Dual Phase (Initial + Boost) Planning vs. Planning the Boost Considering the Existing Dose Distribution”
Overview: To dosimetrically and radiobiologically compare different strategies for the optimization of intensity modulated radiotherapy boost plans for prostate patients.
Raymond Chan, MS
M. Podgorsak, PhD
Roswell Park Cancer Institute
Title: “Ipsilateral Kidney Sparing in Treatment of Pancreatic Malignancies Using Volumetric-Modulated Arc Therapy Avoidance Sectors”
Overview: Using avoidance sectors to limit high dose to the right kidney while observing the effects on other critical organs.
Brent Dunlap, BS, RT(R)(T)
Dianna Baacke, CMD; Niko Papanikolaou, PhD; Alonso Gutierrez, PhD;Y. Li, MD, PhD
The University of Texas Health Science Center San Antonio
Title: "Evaluating the Dosimetric Impact of Weekly Isocenter Re-Marking on Head and Neck (H&N) IMRT Radiotherapy Treatment Plans using Orthogonal Radiographic Imaging Techniques”
Overview: When using daily orthogonal radiographic imaging, greater dosimetric differences were observed in patients who received weekly isocenter re-marking adjustments as compared to those not remarked.
Brandie Gross, BS, CMD, RT(R)(T)
Yusuf Menda, MD; Laura L. Boles Ponto, PhD; Mindi TenNapel, MS; Brain Smith, PhD; and Sarah M. McGuire, PhD
University of Iowa Hospitals and Clinics
Title: “Mapping of Active Bone Marrow Within the Pelvis”
Overview: Using FLT uptake to determine the variability of active pelvic bone marrow between boney landmark defined regions in an individual subject and across subjects.
Patricia Hua, BS
Sotirios Stathakis, PhD; Chul Ha, MD; Tony Eng, MD; Dianna Baacke, CMD; Niko Papanikolaou, PhD; Alonso Gutierrez, PhD
The University of Texas Health Science Center San Antonio
Title: “Pilot Dosimetric Study to Model the Potential Benefit of a Dynamic Collimator during VMAT Delivery of Prostate and Lymph Node Irradiation Treatments”
Overview: Simulating a dynamic collimator using sub-arcs with optimized collimator angles did not show advantages over using a single VMAT arc with a fixed collimator angle.
Stephanie Jacobs, BS, RT(R)(T)
Kilian Salerno MD; Rachel Hackett CMD, RT(T)
Roswell Park Cancer Institute
Title: “Comparison of Electronic Compensation Versus 3D CRT for the Treatment of Soft Tissue Sarcomas in the Upper Extremity”
Overview: Electronic compensation is an alternative option to 3D conformal plans for STS of the upper extremity/proximal trunk where multiple beam angles and options are limited.
Kristen Krupela, BS
Alonso Gutierrez, PhD; Sotirios Stathakis, PhD; Dianna Baacke, CMD; Tony Eng, MD; Y. Li, MD; Niko Papanikolaou, PhD; Panayiotis Mavroidis, PhD
The University of Texas Health Science Center San Antonio
Title: “Radiobiological Evaluation of Different Dose Prescription Approaches”
Overview: Use of radiobiological descriptors (TCP, NCTP, PB, PI, P+) for evaluating different treatment prescription approaches using three cancer types
Joanne Le
Mark Dang; Amanda Etiobhio; Efienimoku Osagede; Beverly Ojongtambia; Kham Nguyen, BS, CMD, RT(T); Brandon Gunn, MD; Congjun Wang, PhD
University of Texas MD Anderson Cancer Center School of Health Professions
Title: “Evaluation of doses to organs at risk in the treatment of head and neck cancers using Intensity Modulated Radiation Therapy (IMRT) and Volumetric Modulated Arc Therapy (VMAT)”
Overview: The aim of this research was to compare feasibility and optimization between VMAT and IMRT for base of tongue, oropharynx and thyroid tumors.
Jonathan Lewis, BS, RT(T)
Jackeline Castro; Alex Goughenour; Minh Ngo; Chibuike Ofoegbuna; Lehendrick Turner, CMD, MBA; Rajat Kudchadker, PhD; Katherine Castle, MD; Deborah Kuban, MD; Pamela Allen, PhD
University of Texas MD Anderson Cancer Center School of Health Professions
Title: “The Comparability of VMAT vs. IMRT for Prostate Cancer Patients With Metallic Prostheses"
Overview: A comparative analysis of VMAT vs. IMRT for prostate cancer patients having metallic hip prostheses.
Kristin Martin, BS, RT(T)
Sotirios Stathakis, PhD; Panayiotis Mavroidis, PhD; Dianna Baacke, CMD; Tony Eng, MD; Niko Papanikolaou, PhD; Alonso Gutierrez, PhD
The University of Texas Health Science Center San Antonio
Title: “Dosimetric and Radiobiological Evaluation of Simultaneous Integrated Boost for Prostate+LN Versus two Phase Planning”
Overview: Dosimetric and radiobiologic comparison of sequential vs. SIB planning for the prostate and surrounding lymph nodes revealed SIB delivers comparable coverage with better tissue sparing.
Edward McPadden, BS, CMD
Kevin Khadivi, PhD; Benjamin Pollard, MS; Ahmed P. Ghafoori, MD; Stephen L. Brown, MD
Austin Cancer Centers
Title: “Craniospinal Irradiation (CSI) using a VMAT/IMRT Hybrid Approach”
Overview: We have implemented a CSI technique in our department that combines both VMAT and IMRT, We have found that spheres, while improving planning efficiency, also provided equivalent or superior dosimetric results when compared to axially drawn modulation volumes.
Ashley Ong, LK, Ms, CMD
Zubin Master, MS; Patemah Salleh, CMD; Ashik Hussain, MD; Wai Keong, BS; Jonathan Teh, MD
National Cancer Centre Singapore - SingHealth
Title: “A Dosimetric Comparison of RapidArc and Intensity-Modulated Radiotherapy for the Treatment of High Risk Prostate Cancer Incorporating Whole Pelvis Irradiation”
Overview: The purpose of this study is to evaluate the dosimetric results and treatment delivery efficiency between RapidArc (RA) and IMRT treatment plans for high risk prostate cancer.
Joel Overway, BS, RT(T)
Victor Hosfeld, MS, DABR; Rick McKinnies, MS, Ed, RT(R)(T), CMD
Southern Illinois University Carbondale / MidMichigan Health
Title: “Volumetric Doses as an Indicator of Xerostomia Recovery, Following IMRT of the Head and Neck"
Overview: Through retrospective analysis, limiting the V30 to a volume less than 50% of the parotid glands may indicate full recovery from radiotherapy induced xerostomia.
Tori Popp, BS, RT(T)
CS Ha, MD; Dianna Baacke, CMD; Niko Papanikolaou, PhD; Alonso Gutierrez, PhD
University of Texas Health Science Center San Antonio
Title: “Evaluating Dosimetric Differences between 6MV and 10MV in Large Patients with Prostate and Pelvic Lymph Node Irradiation VMAT Treatments”
Overview: Although no significant findings regarding patient volume were found, 10MV seems to provide better overall falloff and lower small bowel dose in comparison to 6MV
Lori Simmons, BS
Darrin Nikolaisen, AS; Valli Sivabhaskar, DCA; Tyler Williamson; Mayankkumar Amin, MSc, CMD; Adam Melancon, PhD; Simona Shaitelman, MD, EdM; Pamela Allen, PhD; and Dominique Roniger, BS, CMD University of Texas MD Anderson Cancer Center School of Health Professions
Title: “The Dosimetric Differences Between Protons, Photons, and Brachytherapy for
the Accelerated Treatment of Early Stage (T1/N0 or T2/N0) Breast Cancer”
Overview: Dosimetric comparison of 3D-conformal, brachytherapy, and proton modalities for accelerated partial breast irradiation (APBI)
Art A. Tabibian
Sneha Oommen; Keithley Dolormente; Adam Powers; Keithley Dolormente; Sneha Oommen; Akhil Tiwari; Matt Palmer, MBA, CMD; Xiaorong Ronald Zhu, PhD; Heng Li,PhD; Narayan Sahoo,PhD; Paul Wisdom; Kyle Velasco, CMD, RT(T); Kevin Erhart, PhD; Henry Stanley, BS; Bao-Ngoc Thi Nguyen, BS, CMD
University of Texas MD Anderson Cancer Center School of Health Professions
Title: “Is There a Clinical Benefit with a Smooth Compensator Design Compared to a Plunged Compensator Design for Passive Scattered Protons?”
Overview: Smooth compensators have a clinical benefit over plunged-depth compensators, achieving similar or better coverage as well as reduced dose to most critical structures.
Cyril Tai, MEng, RT(T), CMD
Nina Kalach, MS, MCCPM; Kenneth Bernstein, MS, DABR; Brian Wolthuis, MS, DABR; Alexandra Kravchuk; Emma Bernstein
Beth Israel Medical Center
Title: “How good is Your VMAT Plan?"
Overview: An objective factor VMAT-DI was created to evaluate VMAT plan quality and was tested on phantom geometries with varying complexities.
Kalpana Vaidya, MSc, CMD
Dan Li, MS; Lucille Lee, MD
North Shore Long Island Jewish Health System
Title: “Bilateral Breast Irradiation with Volumetric Modulated Arc Therapy”
Overview: Bilateral breast irradiation with excellent target volume coverage and normal tissue sparing can be achieved using a single isocenter volumetric modulated arc therapy (VMAT) technique.