Scholarly Works - Journal articles
Journal article
Phys Med
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August 2025
PURPOSE: To develop and characterize individualized dose and quality measures at organ level compared to their generic counterparts across a clinical CT dataset. MATERIALS AND METHODS: The study included 9801 chest-abdomen-pelvis and abdomen-pelvis CT exam ...
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Journal article
Tomography
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April 7, 2023
Due to the concerns about radiation dose associated with medical imaging, radiation dose monitoring systems (RDMSs) are now utilized by many radiology providers to collect, process, analyze, and manage radiation dose-related information. Currently, most co ...
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Journal article
J Am Coll Radiol
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January 2022
A common trend across health care organizations is the development of key performance indicators (KPIs) for characterizing quality, identifying areas in need of change, and quantifying the impact of change. This article outlines a list of KPIs that can be ...
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Journal article
Acad Radiol
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February 2021
RATIONALE AND OBJECTIVE: To deploy an automated tool for evaluating pediatric body computed tomography (CT) performance utilizing metrics of radiation dose and image quality for the task of liver lesion detection. MATERIALS AND METHODS: This IRB approved r ...
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Journal article
Journal of applied clinical medical physics
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January 2017
Increasing use of high dose rate, flattening filter free (FFF), and/or small-sized field beams presents a significant challenge to the medical physics community. In this work, we develop a strategy of using a high spatial resolution and high frame rate amo ...
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Journal article
Medical physics
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July 2015
PurposeTo develop an efficient and robust tool for output measurement and absolute dose verification of electron beam therapy by using a high spatial-resolution and high frame-rate amorphous silicon flat panel electronic portal imaging device (EPI ...
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Journal article
Physics in medicine and biology
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July 2015
Featured Publication
This paper describes the development and testing of VirtualDose--a software for reporting organ doses for adult and pediatric patients who undergo x-ray computed tomography (CT) examinations. The software is based on a comprehensive database of organ doses ...
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Journal article
Radiation protection dosimetry
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April 2015
The purpose of this study was to evaluate the organ dose differences caused by the arms-raised and arms-lowered postures for multidetector computed tomography procedures. Organ doses were calculated using computational phantoms and Monte Carlo simulations. ...
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Journal article
Medical physics
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February 2015
PurposeDose and monitor units (MUs) represent two important facets of a radiation therapy treatment. In current practice, verification of a treatment plan is commonly done in dose domain, in which a phantom measurement or forward dose calculation ...
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Journal article
Health physics
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May 2014
Most computational human phantoms are static, representing a standing individual. There are, however, cases when these phantoms fail to represent accurately the detailed effects on dose that result from considering varying human posture and even whole sequ ...
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Journal article
Medical physics
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June 2012
PurposeTo develop a Graphics Processing Unit (GPU) based Monte Carlo (MC) code that accelerates dose calculations on a dual-GPU system.MethodsWe simulated a clinical case of prostate cancer treatment. A voxelized abdomen phantom derived f ...
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Journal article
Physics in medicine and biology
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May 2012
Featured Publication
Although it is known that obesity has a profound effect on x-ray computed tomography (CT) image quality and patient organ dose, quantitative data describing this relationship are not currently available. This study examines the effect of obesity on the cal ...
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Journal article
Medical physics
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December 2010
PurposeTo calculate imaging doses to the rectum, bladder, and femoral heads as part of a prostate cancer treatment plans, assuming an image guided radiation therapy (IGRT) procedure involving either the multidetector CT (MDCT) or kilovoltage cone- ...
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Journal article
Health physics
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May 2009
This paper describes the development of a software package, called VR Dose Simulator, which aims to provide interactive radiation safety and ALARA training to radiation workers using virtual-reality (VR) simulations. Combined with a pre-calculated effectiv ...
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Journal article
Nuclear Fusion
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August 1, 2007
The dual-functional lithium lead-test blanket module (DFLL-TBM) system, which is designated to demonstrate the integrated technologies of both the He single coolant (SLL) blanket and the He-LiPb dual coolant (DLL) blanket, is proposed for testing in ITER t ...
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Journal article
Environmental science & technology
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April 2005
Carbon nanotubes have attracted great interest in multidisciplinary study since their discovery. Herein, radionuclide 243Am(III) sorption to uncapped multiwall carbon nanotubes (MWCNTs) was carried out at 20+/-2 degrees C in 0.01 and 0.1 M NaClO4 solutions ...
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