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Sua Yoo

Associate Professor of Radiation Oncology
Radiation Oncology
Box 3295 Med Ctr, Durham, NC
Duke South Physics, Durham, NC

Scholarly Works - Journal articles


Search for a new heavy resonance decaying to a top quark and a neutral scalar boson in proton-proton collisions at s=13TeV

Journal article Physics Letters Section B Nuclear Elementary Particle and High Energy Physics · September 1, 2026 A first search at the LHC for a new heavy resonance decaying to a top quark and a neutral scalar boson ϕ in the fully hadronic final state is presented, where the ϕ boson is identified by its decay into a bottom quark-antiquark pair. The search is focused ... Full text Cite

Evidence of ZZγ Production and Observation of 4ℓγ in Proton-Proton Collisions at sqrt[s]=13  TeV.

Journal article Phys Rev Lett · August 28, 2026 Evidence of the production of two Z bosons and a photon in proton-proton collisions is reported for the first time in CMS. The analysis uses data collected by the CMS experiment between 2016 and 2018 at a center-of-mass energy of 13 TeV, corresponding to a ... Full text Link to item Cite

Observation of Long-Range Collective Flow in O+O and Ne+Ne Collisions and Implications for Nuclear Structure Studies.

Journal article Phys Rev Lett · August 21, 2026 The long-range collective flow of particles produced in oxygen-oxygen (O+O) and neon-neon (Ne+Ne) collisions is measured with the CMS detector at the CERN LHC. The data samples were collected at a center-of-mass energy per nucleon pair of 5.36 TeV, with in ... Full text Link to item Cite

Observation of the Jet Diffusion Wake Using Dijets in Heavy-Ion Collisions.

Journal article Phys Rev Lett · August 14, 2026 Energetic quarks and gluons traversing a hot and dense quark-gluon plasma deposit energy and momentum into the medium before hadronizing to collimated sprays of particles, known as jets. This energy-momentum deposition is expected to produce medium respons ... Full text Link to item Cite

Measurement of the t-channel single top quark cross section in proton-proton collisions at s=5.02 TeV

Journal article Journal of High Energy Physics · August 1, 2026 The single top quark t-channel production cross section is measured in proton-proton collisions at the CERN LHC at s=5.02 TeV, using data recorded with the CMS detector in 2017, corresponding to an integrated luminosity of 302 pb−1, and resultin ... Full text Cite

Search for heavy resonances decaying into two Higgs bosons in the bb¯τ+τ- final state in proton–proton collisions at s=13TeV

Journal article European Physical Journal C · July 1, 2026 A search is presented for massive narrow-width resonances in the mass range of 1–4.5TeV, decaying into pairs of Higgs bosons (HH). The search uses proton–proton collision data at a center-of-mass energy of 13TeV collected with the CMS detector at the CERN ... Full text Cite

Characterization, commissioning, and clinical evaluation of a commercial BeO optically stimulated luminescence (OSL) system.

Journal article J Appl Clin Med Phys · April 2025 This article investigates the performance of a commercial BeO optically stimulated luminescent (OSL) dosimetry system (myOSLchip, RadPro GmbH International, Remscheid, Germany) through the application of the commissioning framework for luminescent dosimete ... Full text Open Access Link to item Cite

AAPM-RSS Medical Physics Practice Guideline 9.b: SRS-SBRT.

Journal article J Appl Clin Med Phys · April 2025 The purpose of this Medical Physics Practice Guideline (MPPG) is to describe the minimum level of medical physics support deemed prudent for the practice of linear-accelerator, photon-based (linac) stereotactic radiosurgery (SRS), and stereotactic body rad ... Full text Open Access Link to item Cite

Quality Management for Radiation Oncology In-House Software Products.

Journal article Bioengineering (Basel) · March 29, 2025 (1) Objective: To develop and implement an in-house software quality management (ISQM) program to ensure the continuous, consistent quality of in-house software products. (2) Methods: The ISQM program consists of two key components: quality assurance (QA) ... Full text Open Access Link to item Cite

Understanding and modeling human-AI interaction of artificial intelligence tool in radiation oncology clinic using deep neural network: a feasibility study using three year prospective data.

Journal article Phys Med Biol · November 14, 2024 Objective.Artificial intelligence (AI) based treatment planning tools are being implemented in clinic. However, human interactions with such AI tools are rarely analyzed. This study aims to comprehend human planner's interaction with the AI planning tool a ... Full text Link to item Cite

Dosimetric variation in preoperative partial breast radiosurgery assessed by deformable image registrations.

Journal article J Radiosurg SBRT · 2022 OBJECTIVE: To assess dosimetric variation caused by breast deformation in breast radiosurgery based on deformable image registration. METHODS: This study included 30 patients who were treated in the prone position for preoperative partial breast radiosurge ... Link to item Cite

Clinical Experience With Machine Learning-Based Automated Treatment Planning for Whole Breast Radiation Therapy.

Journal article Adv Radiat Oncol · 2021 PURPOSE: The machine learning-based automated treatment planning (MLAP) tool has been developed and evaluated for breast radiation therapy planning at our institution. We implemented MLAP for patient treatment and assessed our clinical experience for its p ... Full text Open Access Link to item Cite

Accuracy and efficiency of image-guided radiation therapy (IGRT) for preoperative partial breast radiosurgery.

Journal article J Radiosurg SBRT · 2020 OBJECTIVE: To analyze and evaluate accuracy and efficiency of IGRT process for preoperative partial breast radiosurgery. METHODS: Patients were initially setup with skin marks and 5 steps were performed: (1) Initial orthogonal 2D kV images, (2) pre-treatme ... Open Access Link to item Cite

Goal-Driven Beam Setting Optimization for Whole-Breast Radiation Therapy.

Journal article Technol Cancer Res Treat · January 1, 2019 PURPOSE: To develop an automated optimization program to generate optimal beam settings for whole-breast radiation therapy driven by clinically oriented goals. MATERIALS AND METHODS: Forty patients were retrospectively included in this study. Each patient' ... Full text Open Access Link to item Cite

Automatic Planning of Whole Breast Radiation Therapy Using Machine Learning Models.

Journal article Front Oncol · 2019 Purpose: To develop an automatic treatment planning system for whole breast radiation therapy (WBRT) based on two intensity-modulated tangential fields, enabling near-real-time planning. Methods and Materials: A total of 40 WBRT plans from a single institu ... Full text Open Access Link to item Cite

Treatment constraints for single dose external beam preoperative partial breast irradiation in early-stage breast cancer.

Journal article Clin Transl Radiat Oncol · October 2017 BACKGROUND: Following breast-conserving surgery and post-operative 3D-conformal accelerated partial breast irradiation (APBI), suboptimal cosmetic results have been reported. Preoperative radiation delivery to the intact tumor enables better target visuali ... Full text Link to item Cite

WE-AB-209-05: Development of an Ultra-Fast High Quality Whole Breast Radiotherapy Treatment Planning System.

Journal article Med Phys · June 2016 PURPOSE: To enable near-real-time (<20sec) and interactive planning without compromising quality for whole breast RT treatment planning using tangential fields. METHODS: Whole breast RT plans from 20 patients treated with single energy (SE, 6MV, 10 patient ... Full text Link to item Cite

Preoperative Single-Fraction Partial Breast Radiation Therapy: A Novel Phase 1, Dose-Escalation Protocol With Radiation Response Biomarkers.

Journal article Int J Radiat Oncol Biol Phys · July 15, 2015 PURPOSE: Women with biologically favorable early-stage breast cancer are increasingly treated with accelerated partial breast radiation (PBI). However, treatment-related morbidities have been linked to the large postoperative treatment volumes required for ... Full text Link to item Cite

Dosimetric comparison of preoperative single-fraction partial breast radiotherapy techniques: 3D CRT, noncoplanar IMRT, coplanar IMRT, and VMAT.

Journal article J Appl Clin Med Phys · January 8, 2015 The purpose of this study was to compare dosimetric parameters of treatment plans among four techniques for preoperative single-fraction partial breast radiotherapy in order to select an optimal treatment technique. The techniques evaluated were noncoplana ... Full text Link to item Cite

Dosimetric comparison of preoperative single-fraction partial breast radiotherapy techniques: 3D CRT, noncoplanar IMRT, coplanar IMRT, and VMAT

Journal article Journal of Applied Clinical Medical Physics · January 1, 2015 The purpose of this study was to compare dosimetric parameters of treatment plans among four techniques for preoperative single-fraction partial breast radiotherapy in order to select an optimal treatment technique. The techniques evaluated were noncoplana ... Cite

A phase 1 trial of preoperative partial breast radiation therapy: Patient selection, target delineation, and dose delivery.

Journal article Pract Radiat Oncol · 2015 PURPOSE: Diffusion of accelerated partial breast irradiation into clinical practice is limited by the need for specialized equipment and training. The accessible external beam technique yields unacceptable complication rates, likely from large postoperativ ... Full text Link to item Cite

Dosimetric comparison of 3D conformal, IMRT, and V-MAT techniques for accelerated partial-breast irradiation (APBI).

Journal article Med Dosim · 2014 The purpose is to dosimetrically compare the following 3 delivery techniques: 3-dimensional conformal radiation therapy (3D-CRT), intensity-modulated arc therapy (IMRT), and volumetric-modulated arc therapy (V-MAT) in the treatment of accelerated partial-b ... Full text Link to item Cite

SU-D-500-06: On-Board Robotic Multi-Pinhole SPECT System for Prone Breast Imaging.

Journal article Med Phys · June 2013 PURPOSE: To investigate a novel Single Photon Emission Computed Tomography (SPECT) system for on-board molecular and functional imaging in partial breast radiation therapy of prone patients. METHODS: Computer-simulation studies were performed for on-board ... Full text Link to item Cite

Investigation of sliced body volume (SBV) as respiratory surrogate.

Journal article J Appl Clin Med Phys · January 7, 2013 The purpose of this study was to evaluate the sliced body volume (SBV) as a respiratory surrogate by comparing with the real-time position management (RPM) in phantom and patient cases. Using the SBV surrogate, breathing signals were extracted from unsorte ... Full text Open Access Link to item Cite

Investigation of sliced body volume (SBV) as respiratory surrogate

Journal article Journal of Applied Clinical Medical Physics · January 1, 2013 The purpose of this study was to evaluate the sliced body volume (SBV) as a respiratory surrogate by comparing with the real-time position management (RPM) in phantom and patient cases. Using the SBV surrogate, breathing signals were extracted from unsorte ... Full text Cite

Implementing and integrating a clinically driven electronic medical record for radiation oncology in a large medical enterprise.

Journal article Front Oncol · 2013 PURPOSE/OBJECTIVE: While our department is heavily invested in computer-based treatment planning, we historically relied on paper-based charts for management of Radiation Oncology patients. In early 2009, we initiated the process of conversion to an electr ... Full text Link to item Cite

Imaging system QA of a medical accelerator, Novalis Tx, for IGRT per TG 142: our 1 year experience.

Journal article J Appl Clin Med Phys · July 5, 2012 American Association of Physicists in Medicine (AAPM) task group (TG) 142 has recently published a report to update recommendations of the AAPM TG 40 report and add new recommendations concerning medical accelerators in the era of image-guided radiation th ... Full text Open Access Link to item Cite

SU-E-T-559: Evaluation of Flatening Filter Free (FFF) Beams in Radiotherapy of Head and Neck Cancer.

Journal article Med Phys · June 2012 PURPOSE: To investigate th applicability of the flattening filter free (FFF) to fractionated radiotherapy of head and neck cancer. METHODS: Twelve patients previously treated with IMRT were selected. A SIB protocol was chosen so that 66/54 Gy were prescrib ... Full text Link to item Cite

Comparison of 3D conformal breast radiation treatment plans using the anisotropic analytical algorithm and pencil beam convolution algorithm.

Journal article Radiother Oncol · May 2012 Featured Work PURPOSE: To investigate (1) dosimetric differences between plans calculated using the anisotropic analytical algorithm (AAA) and pencil beam convolution (PBC) algorithm, (2) the plan quality achieved using AAA compared to PBC based on dosimetric parameters ... Full text Link to item Cite

Effect of increasing experience on dosimetric and clinical outcomes in the management of malignant pleural mesothelioma with intensity-modulated radiation therapy.

Journal article Int J Radiat Oncol Biol Phys · May 1, 2012 PURPOSE: To assess the impact of increasing experience with intensity-modulated radiation therapy (IMRT) after extrapleural pneumonectomy (EPP) for malignant pleural mesothelioma (MPM). METHODS AND MATERIALS: The records of all patients who received IMRT f ... Full text Link to item Cite

Quality assurance for image-guided radiation therapy utilizing CT-based technologies: a report of the AAPM TG-179.

Journal article Med Phys · April 2012 Featured Work PURPOSE: Commercial CT-based image-guided radiotherapy (IGRT) systems allow widespread management of geometric variations in patient setup and internal organ motion. This document provides consensus recommendations for quality assurance protocols that ensu ... Full text Link to item Cite

Preoperative single fraction partial breast radiotherapy for early-stage breast cancer.

Journal article Int J Radiat Oncol Biol Phys · January 1, 2012 Featured Work PURPOSE: Several recent series evaluating external beam accelerated partial breast irradiation (PBI) have reported adverse cosmetic outcomes, possibly related to large volumes of normal tissue receiving near-prescription doses. We hypothesized that deliver ... Full text Link to item Cite

Imaging system QA of a medical accelerator, Novalis Tx, for IGRT per TG 142: Our 1 year experience

Journal article Journal of Applied Clinical Medical Physics · January 1, 2012 Featured Work American Association of Physicists in Medicine (AAPM) task group (TG) 142 has recently published a report to update recommendations of the AAPM TG 40 report and add new recommendations concerning medical accelerators in the era of image-guided radiation th ... Full text Cite

A Dual-Isocenter Technique for Image Guidance of Prone-Breast Radiation Therapy

Journal article International Journal of Radiation Oncology*Biology*Physics · October 2011 Full text Cite

Dosimetric Comparison Of Radiotherapy For Left Sided Breast Cancer: Breath-hold versus Free Breathing

Journal article International Journal of Radiation Oncology*Biology*Physics · October 2011 Full text Cite

A comparison of clinical and dosimetric outcomes in patients receiving partial breast irradiation with photon-only versus mixed photon/electron treatment plans.

Journal article Med Dosim · 2011 Several series evaluating external-beam partial breast irradiation (PBI) have linked negative cosmetic outcomes to large normal tissue treatment volumes. We compared patients treated with PBI whose treatment plans included only photons to those whose plans ... Full text Link to item Cite

Intensity-modulated radiation therapy for anal malignancies: a preliminary toxicity and disease outcomes analysis.

Journal article Int J Radiat Oncol Biol Phys · December 1, 2010 PURPOSE: Intensity-modulated radiation therapy (IMRT) has the potential to reduce toxicities associated with chemoradiotherapy in the treatment of anal cancer. This study reports the results of using IMRT in the treatment of anal cancer. METHODS AND MATERI ... Full text Link to item Cite

Impact of volumetric modulated arc therapy technique on treatment with partial breast irradiation.

Journal article Int J Radiat Oncol Biol Phys · September 1, 2010 Featured Work PURPOSE: To investigate the technical feasibility of volumetric modulated arc therapy (V-MAT) in the delivery of partial breast irradiation (PBI). METHODS AND MATERIALS: V-MAT and the standard, three-dimensional conformal radiotherapy (3D-CRT), were compar ... Full text Link to item Cite

Kilovoltage cone-beam CT: comparative dose and image quality evaluations in partial and full-angle scan protocols.

Journal article Med Phys · July 2010 PURPOSE: To assess imaging dose of partial and full-angle kilovoltage CBCT scan protocols and to evaluate image quality for each protocol. METHODS: The authors obtained the CT dose index (CTDI) of the kilovoltage CBCT protocols in an on-board imager by ion ... Full text Link to item Cite

Estimation of computed tomography dose index in cone beam computed tomography: MOSFET measurements and Monte Carlo simulations.

Journal article Health Phys · May 2010 To address the lack of accurate dose estimation method in cone beam computed tomography (CBCT), we performed point dose metal oxide semiconductor field-effect transistor (MOSFET) measurements and Monte Carlo (MC) simulations. A Varian On-Board Imager (OBI) ... Full text Link to item Cite

Investigation into the feasibility of using PRESAGE/optical-CT dosimetry for the verification of gating treatments.

Journal article Phys Med Biol · April 21, 2010 This work presents an investigation into the use of PRESAGE dosimeters with an optical-CT scanner as a 3D dosimetry system for quantitative verification of respiratory-gated treatments. The CIRS dynamic thorax phantom was modified to incorporate a moving P ... Full text Link to item Cite

Radiotherapy treatment plans with RapidArc for prostate cancer involving seminal vesicles and lymph nodes.

Journal article Int J Radiat Oncol Biol Phys · March 1, 2010 Featured Work PURPOSE: Dosimetric results and treatment delivery efficiency of RapidArc plans to those of conventional intensity-modulated radiotherapy (IMRT) plans were compared using the Eclipse treatment planning system for high-risk prostate cancer. MATERIALS AND ME ... Full text Link to item Cite

Volumetric arc intensity-modulated therapy for spine body radiotherapy: comparison with static intensity-modulated treatment.

Journal article Int J Radiat Oncol Biol Phys · December 1, 2009 PURPOSE: This clinical study evaluates the feasibility of using volumetric arc-modulated treatment (VMAT) for spine stereotactic body radiotherapy (SBRT) to achieve highly conformal dose distributions that spare adjacent organs at risk (OAR) with reduced t ... Full text Link to item Cite

Intensity-modulated radiation therapy for anal cancer.

Journal article Oncology (Williston Park) · November 15, 2009 The contemporary treatment of anal cancer is combined-modality therapy with radiation therapy, fluorouracil, and mitomycin. This therapy results in long-term disease-free survival and sphincter preservation in the majority of patients. Tempering these posi ... Link to item Cite

Intensity-modulated radiation therapy for anal cancer

Journal article Oncology · November 15, 2009 The contemporary treatment of anal cancer is combined-modality therapy with radiation therapy, fluorouracil, and mitomycin. This therapy results in long-term disease-free survival and sphincter preservation in the majority of patients. Tempering these posi ... Cite

Tradeoffs of integrating real-time tracking into IGRT for prostate cancer treatment.

Journal article Phys Med Biol · September 7, 2009 This study investigated the integration of the Calypso real-time tracking system, based on implanted ferromagnetic transponders and a detector array, into the current process for image-guided radiation treatment (IGRT) of prostate cancer at our institution ... Full text Link to item Cite

Comparison of online IGRT techniques for prostate IMRT treatment: adaptive vs repositioning correction.

Journal article Med Phys · May 2009 This study compares three online image guidance techniques (IGRT) for prostate IMRT treatment: bony-anatomy matching, soft-tissue matching, and online replanning. Six prostate IMRT patients were studied. Five daily CBCT scans from the first week were acqui ... Full text Link to item Cite

Refinement of treatment setup and target localization accuracy using three-dimensional cone-beam computed tomography for stereotactic body radiotherapy.

Journal article Int J Radiat Oncol Biol Phys · February 1, 2009 PURPOSES: To quantitatively compare two-dimensional (2D) orthogonal kV with three-dimensional (3D) cone-beam CT (CBCT) for target localization; and to assess intrafraction motion with kV images in patients undergoing stereotactic body radiotherapy (SBRT). ... Full text Link to item Cite

Clinical evaluation of positioning verification using digital tomosynthesis and bony anatomy and soft tissues for prostate image-guided radiotherapy.

Journal article Int J Radiat Oncol Biol Phys · January 1, 2009 Featured Work PURPOSE: To evaluate on-board digital tomosynthesis (DTS) for patient positioning vs. two-dimensional (2D) radiography and three-dimensional cone beam (CBCT). METHODS AND MATERIALS: A total of 92 image sessions from 9 prostate cancer patients were analyzed ... Full text Link to item Cite

Analysis of image quality for real-time target tracking using simultaneous kV-MV imaging.

Journal article Med Phys · December 2008 Real-time tracking can provide high accuracy localization for a moving target and minimize the effect of motion. Simultaneous kV-MV imaging has been proposed as a real-time tracking technique by utilizing the existing kV on-board imager (OBI) and the MV el ... Full text Link to item Cite

Moving from IMRT QA measurements toward independent computer calculations using control charts.

Journal article Radiother Oncol · December 2008 BACKGROUND AND PURPOSE: In this study, we investigated IMRT QA using Statistical Process Control for the purpose of comparing the processes of patient-specific measurements and the corresponding independent computer calculations. MATERIALS AND METHODS: Poi ... Full text Link to item Cite

Process control analysis of IMRT QA: implications for clinical trials.

Journal article Phys Med Biol · September 21, 2008 The purpose of this study is two-fold: first is to investigate the process of IMRT QA using control charts and second is to compare control chart limits to limits calculated using the standard deviation (sigma). Head and neck and prostate IMRT QA cases fro ... Full text Link to item Cite

Intensity-modulated radiotherapy for resected mesothelioma: the Duke experience.

Journal article Int J Radiat Oncol Biol Phys · July 15, 2008 PURPOSE: To assess the safety and efficacy of intensity-modulated radiotherapy (IMRT) after extrapleural pneumonectomy for malignant pleural mesothelioma. METHODS AND MATERIALS: Thirteen patients underwent IMRT after extrapleural pneumonectomy between July ... Full text Link to item Cite

Integration of cone-beam CT in stereotactic body radiation therapy.

Journal article Technol Cancer Res Treat · April 2008 This report describes the technique and initial experience using cone beam CT (CBCT) for localization of treatment targets in patients undergoing stereotactic body radiation therapy (SBRT). Patients selected for SBRT underwent 3-D or 4-D CT scans in a cust ... Full text Link to item Cite

Assessment of the residual error in soft tissue setup in patients undergoing partial breast irradiation: results of a prospective study using cone-beam computed tomography.

Journal article Int J Radiat Oncol Biol Phys · March 15, 2008 Featured Work PURPOSE: On-board cone-beam computed tomography (CBCT) provides soft tissue information that may improve setup accuracy in patients undergoing accelerated partial breast irradiation (APBI). We used CBCT to assess the residual error in soft tissue after two ... Full text Link to item Cite

On-line re-optimization of prostate IMRT plans for adaptive radiation therapy.

Journal article Phys Med Biol · February 7, 2008 For intermediate and high risk prostate cancer, both the prostate gland and seminal vesicles are included in the clinical target volume. Internal motion patterns of these two organs vary, presenting a challenge for adaptive treatment. Adaptive techniques s ... Full text Link to item Cite

Comparison of radiation doses between cone beam CT and multi detector CT: TLD measurements.

Journal article Radiat Prot Dosimetry · 2008 In recent years, wide beam computed tomography (CT) technique has become standard in radiation oncology whereas there is little information about radiation dose assessments for the technique. A point dose measurement method was employed to assess the radia ... Full text Link to item Cite

On-board patient positioning for head-and-neck IMRT: comparing digital tomosynthesis to kilovoltage radiography and cone-beam computed tomography.

Journal article Int J Radiat Oncol Biol Phys · October 1, 2007 PURPOSE: High-precision intensity-modulated radiotherapy demands high patient positioning accuracy. On-board digital tomosynthesis (DTS) provides three-dimensional (3D) image guidance for daily positioning with a lower imaging dose, faster acquisition, and ... Full text Link to item Cite

Evaluation of three types of reference image data for external beam radiotherapy target localization using digital tomosynthesis (DTS).

Journal article Med Phys · August 2007 Digital tomosynthesis (DTS) is a fast, low-dose three-dimensional (3D) imaging approach which yields slice images with excellent in-plane resolution, though low plane-to-plane resolution. A stack of DTS slices can be reconstructed from a single limited-ang ... Full text Link to item Cite

A model for optimizing adenoviral delivery in human cancer gene therapy trials.

Journal article Hum Gene Ther · June 2007 Optimization of adenoviral delivery to the target volume is required for adenovirus-mediated cancer gene therapy to reach its maximal potential. The purpose of these studies was to develop a model of gene expression to improve adenovirus-mediated cancer ge ... Full text Link to item Cite

A greedy heuristic using adjoint functions for the optimization of seed and needle configurations in prostate seed implant.

Journal article Phys Med Biol · February 7, 2007 We continue our work on the development of an efficient treatment-planning algorithm for prostate seed implants by incorporation of an automated seed and needle configuration routine. The treatment-planning algorithm is based on region of interest (ROI) ad ... Full text Link to item Cite

Multi-species prostate implant treatment plans incorporating 192Ir and 125I using a Greedy Heuristic based 3D optimization algorithm.

Journal article Med Phys · February 2007 The goals of interstitial implant brachytherapy include delivery of the target dose in a uniform manner while sparing sensitive structures, and minimizing the number of needles and sources. We investigated the use of a multi-species source arrangement (192 ... Full text Link to item Cite

MO‐SAMS‐AUD‐01: Daily Localization — I: Kilovolt Imaging

Journal article Medical Physics · January 1, 2007 As high‐precision 3‐D conformal radiation therapy and intensity‐modulated radiation therapy have become standard practice, radiographic imaging using kilovoltage (kV) x‐ray sources has been rapidly implemented for in‐room target localization and patient po ... Full text Cite

Dosimetric feasibility of cone-beam CT-based treatment planning compared to CT-based treatment planning.

Journal article Int J Radiat Oncol Biol Phys · December 1, 2006 Featured Work PURPOSE: Cone-beam computed tomography (CBCT) images are currently used for positioning verification. However, it is yet unknown whether CBCT could be used in dose calculation for replanning in adaptive radiation therapy. This study investigates the dosime ... Full text Link to item Cite

A quality assurance program for the on-board imager®.

Journal article Med Phys · November 2006 Featured Work To develop a quality assurance (QA) program for the On-Board Imager (OBI) system and to summarize the results of these QA tests over extended periods from multiple institutions. Both the radiographic and cone-beam computed tomography (CBCT) mode of operati ... Full text Link to item Cite

Digital tomosynthesis with an on-board kilovoltage imaging device.

Journal article Int J Radiat Oncol Biol Phys · May 1, 2006 PURPOSE: To generate on-board digital tomosynthesis (DTS) and reference DTS images for three-dimensional image-guided radiation therapy (IGRT) as an alternative to conventional portal imaging or on-board cone-beam computed tomography (CBCT). METHODS AND MA ... Full text Link to item Cite

SU‐FF‐T‐212: Quality Assurance (QA) Procedure of On‐Board Imager (OBI) for Portal Imaging

Journal article Medical Physics · January 1, 2005 Purpose: On‐board imager (OBI) has been implemented to improve the in‐room patient positioning. It is therefore important to establish quality assurance (QA) procedure to ensure proper functionality and operational accuracy. This report presents monthly OB ... Full text Cite

Treatment planning for prostate brachytherapy using region of interest adjoint functions and a greedy heuristic.

Journal article Phys Med Biol · December 21, 2003 We have developed an efficient treatment-planning algorithm for prostate implants that is based on region of interest (ROI) adjoint functions and a greedy heuristic. For this work, we define the adjoint function for an ROI as the sensitivity of the average ... Full text Link to item Cite

Characteristics of sensitometric curves of radiographic films.

Journal article Med Phys · May 2003 A new type of radiographic film, EDR (extended dose range) film, has been recently become available for film dosimetry. It is particularly attractive for composite isodose verification of intensity modulated radiation therapy because of its low sensitivity ... Full text Link to item Cite

Clinical implementation of AAPM TG61 protocol for kilovoltage x-ray beam dosimetry.

Journal article Med Phys · October 2002 Historically, there have been a variety of dosimetry protocols used for kilovoltage x-ray therapy beams with a set of conversion factors and correction factors taken from different references. Corresponding to the continued installation and use of kilovolt ... Full text Link to item Cite