Authors: Bas W. Raaymakers, Mario Ries, Paris Tzitzimpasis, Cornel Zachiu
Affiliation: Department of Radiotherapy, University Medical Center Utrecht, University Medical Center Utrecht, UMC Utrecht
Abstract Preview: Purpose: Radiation pneumonitis affects approximately 10-30% of lung cancer patients treated with radiation therapy (RT), posing a significant dose-limiting factor. Recently developed CT-ventilation me...
Authors: Jeffrey Bax, Ian A. Cunningham, Aaron Fenster, Lori Gardi, Sule Karagulleoglu Kunduraci, Alla Reznik, David Tessier
Affiliation: Robarts Research Institute, Imaging Research Laboratories, Robarts Research Institute, Lakehead University
Abstract Preview: Purpose: Image-guided biopsy is critical for early diagnosis of prostate cancer (PCa), the most common cancer in men worldwide. While the prostate-specific PET (P-PET) system offers enhanced sensitivi...
Authors: Ramin Abolfath, Sedigheh Fardirad, Abbas Ghasemizad, Houda Kacem, Marie Catherine Vozenin
Affiliation: University of Guilan, Universite de Lausanne, University Hospital, Geneva, Howard University
Abstract Preview: Purpose: Lower production of H2O2 in water is a hallmark of ultra-high dose rate (UHDR) compared to the conventional dose rate (CDR). The current computational models are in the opposite of the experi...
Authors: Christopher J. Mart, Inna V. McGowin
Affiliation: Medical University of South Carolina
Abstract Preview: Purpose: Electron treatments are prone to setup variations and uncertainties due to absence of imaging or surface guided alignment. Patient setup relies on daily marking and visual verification. A 3D-...
Authors: Savannah Decker, Grace Gwe-Ya Kim, Laura Padilla
Affiliation: UC San Diego, University of California San Diego
Abstract Preview: Purpose: The success of surface-guided deep-inspiration breath-hold (SG-DIBH) treatments depends on accurate identification of suitable candidates. Sub-optimal patient selection can result in prolonge...
Authors: Brett Lewis, Roland Teboh
Affiliation: HUMC, Hackensack University Medical Center
Abstract Preview: Purpose: The novel RefleXion SCINTIX BgRT system relies on the FDG uptake distribution from a PET study to plan and deliver dose. One of the patient eligibility criteria is that any uptake outside the...
Authors: Nrusingh C. Biswal, Sally Cheston, Sung-Woo Lee, Weiguang Yao, Baoshe Zhang
Affiliation: Department of Radiation Oncology, University of Maryland School of Medicine
Abstract Preview: Purpose: The deep inspiration breath-hold (DIBH) technique in left breast radiation reduces doses to critical organs such as the heart, left lung, and left anterior descending artery (LAD). With the a...
Authors: Beth Bradshaw Ghavidel, Chih-Wei Chang, Yuan Gao, Priyanka Kapoor, Shaoyan Pan, Junbo Peng, Richard L.J. Qiu, Jill Remick, Justin R. Roper, Zhen Tian, Xiaofeng Yang
Affiliation: Whinship Cancer Institute, Emory University, Emory University, University of Chicago, Department of Radiation Oncology and Winship Cancer Institute, Emory University
Abstract Preview: Purpose: Current cone-beam computed tomography (CBCT) typically requires no less than 200 degrees of angular projections, which prolongs scanning time and increases radiation exposure. To address thes...
Authors: Lei Ren, Jie Zhang
Affiliation: University of Maryland School of Medicine
Abstract Preview: Purpose: 4D-CBCT is valuable for imaging anatomy affected by respiratory motions to guide radiotherapy delivery. However, 4D-CBCT often has undersampled projections acquired in each respiratory phase ...
Authors: Asma Amjad, Renae Conlin, Eric S. Paulson, Christina M. Sarosiek
Affiliation: Department of Radiation Oncology, Medical College of Wisconsin
Abstract Preview: Purpose: In an effort to improve contouring accuracy for abdominal MR guided online adaptive radiotherapy (MRgOART), patient-specific deep learning-based auto-segmentation (PS-DLAS) has been proposed....
Authors: M. Victoria Duran, María Fernández, Inés Flores, Joaquin Hernandez, Nuria Montero, Rodrigo Plaza, Manuel Ruiz, Francisco San Miguel, Sandra Williamson Puente, Zigor Zalabarria
Affiliation: Hospital Central de la Defensa 'Gómez Ulla', Hospital Central de la Defensa "Gomez Ulla", CSVE, Hospital Central de la Defensa 'Gómez Ulla', CSVE
Abstract Preview: Purpose:
Contouring guides recommend using para-axial, para-sagittal and para-coronal axis for delimitation of ROIs. These axis are rotated from the standard axis to match the anatomy of the patien...
Authors: Wesley E. Bolch, Chansoo Choi, Robert Joseph Dawson, Michael Lassmann, Maikol Salas-Ramirez, Bangho Shin, Johannes Tran-Gia, Yitian Wang
Affiliation: Department of Nuclear Medicine, University Hospital Würzburg, University of Florida
Abstract Preview: Purpose: Conduct a parameterized library of mesh-type skeletal models across the lumbar vertebrae. In radiopharmaceutical dosimetry, the hematopoietic active bone marrow is typically a dose-limiting n...
Authors: Samuel Kadoury, Redha Touati
Affiliation: Polytechnique Montréal
Abstract Preview: Purpose:
Generating synthetic CT images from MR acquisitions for radiotherapy planning allows to integrate soft tissue contrast alongside density information stemming from CT, thus improving tumor ...
Authors: Lu Jiang, Ke Sheng
Affiliation: Department of Radiation Oncology, University of California at San Francisco, Department of Radiation Oncology, University of California, San Francisco
Abstract Preview: Purpose:
Conventional radiotherapy treatment planning is guided by a set of generic objectives that are unspecific to patient anatomy. Treatment planning thus heavily relies on the planner’s experi...