Search Results - "Manger, Ryan"

Comparing brass mesh to tissue equivalent bolus materials for volumetric modulated arc therapy chest wall irradiation by Keiper, Timothy D., Kisling, Kelly, Hua, Patricia, Manger, Ryan P.

“…Purpose To compare the superficial dose when using brass mesh bolus (BMB), no bolus, or 3 mm tissue‐equivalent bolus with a pseudo‐flash volumetric modulated…”
Get full text

Failure mode and effects analysis and fault tree analysis of surface image guided cranial radiosurgery by Manger, Ryan P., Paxton, Adam B., Pawlicki, Todd, Kim, Gwe‐Ya

“…Purpose: Surface image guided, Linac‐based radiosurgery (SIG‐RS) is a modern approach for delivering radiosurgery that utilizes optical stereoscopic imaging to…”
Get full text

A comparison of two prospective risk analysis methods: Traditional FMEA and a modified healthcare FMEA by Rah, Jeong-Eun, Manger, Ryan P., Yock, Adam D., Kim, Gwe-Ya

“…Purpose: To examine the abilities of a traditional failure mode and effects analysis (FMEA) and modified healthcare FMEA (m-HFMEA) scoring methods by comparing…”
Get full text

Application of systems and control theory-based hazard analysis to radiation oncology by Pawlicki, Todd, Samost, Aubrey, Brown, Derek W., Manger, Ryan P., Kim, Gwe-Ya, Leveson, Nancy G.

“…Purpose: Both humans and software are notoriously challenging to account for in traditional hazard analysis models. The purpose of this work is to investigate…”
Get full text

Technical Note: Assessing the performance of monthly CBCT image quality QA by Manger, Ryan P., Pawlicki, Todd, Hoisak, Jeremy, Kim, Gwe‐Ya

“…Purpose To assess the performance of routine cone‐beam computed tomography (CBCT) quality assurance (QA) at predicting and diagnosing clinically recognizable…”
Get full text

Lung Stereotactic Body Radiation Therapy (SBRT) dose gradient and PTV volume: a retrospective multi-center analysis by Hoffman, David, Dragojević, Irena, Hoisak, Jeremy, Hoopes, David, Manger, Ryan

“…The treatment of lung lesions with stereotactic body radiation therapy calls for highly conformal dose, which is evaluated by a number of metrics. Lung…”
Get full text

Specific Absorbed Fractions for Spontaneous Fission Neutron Emitters in the ICRP Reference Pediatric Voxel Phantom Series by Griffin, Keith T., Eckerman, Keith F., Manger, Ryan P., Jokisch, Derek W., Bolch, Wesley E., Hertel, Nolan E.

“…Specific absorbed fractions (SAFs) are key components in the workflow of internal exposure assessment following the intake of a radionuclide, allowing quick…”
Get full text

Dosimetric assessment of brass mesh bolus for postmastectomy photon radiotherapy by Manger, Ryan, Paxton, Adam, Cerviño, Laura

“…Brass mesh bolus has been shown to be an acceptable substitute for tissue‐equivalent bolus to increase superficial dose for chest wall tangent photon…”
Get full text

Assessing the performance of an automated breast treatment planning software by Dragojević, Irena, Hoisak, Jeremy D. P., Mansy, Gina J., Rahn, Douglas A., Manger, Ryan P.

“…Purpose To assess the dosimetric performance of an automated breast planning software. Methods We retrospectively reviewed 15 breast cancer patients treated…”
Get full text

The impact of daily bladder filling on small bowel dose for intensity modulated radiation therapy for cervical cancer by Chen, Victor E., Gillespie, Erin F., Manger, Ryan P., Skerritt, Lauren A., Tran, Josephine H., Proudfoot, James A., Sherer, Michael V., Einck, John P., Mell, Loren K., Moore, Kevin L., Yashar, Catheryn M.

“…Research demonstrates that instructing patients to have a full bladder for pelvic radiotherapy results in highly variable bladder volumes at daily treatment…”
Get full text

Evaluation of a surface imaging system's isocenter calibration methods by Paxton, Adam B., Manger, Ryan P., Pawlicki, Todd, Kim, Gwe‐Ya

“…AlignRT is a surface imaging system that has been utilized for localizing and tracking patient position during radiotherapy. AlignRT has two calibration…”
Get full text

Tolerance design of patient‐specific range QA using the DMAIC framework in proton therapy by Rah, Jeong‐Eun, Shin, Dongho, Manger, Ryan P., Kim, Tae Hyun, Oh, Do Hoon, Kim, Dae Yong, Kim, Gwe‐Ya

“…Purpose To implement the DMAIC (Define‐Measure‐Analyze‐Improve‐Control) can be used for customizing the patient‐specific QA by designing site‐specific range…”
Get full text

Risk analysis of electronic intraoperative radiation therapy for breast cancer by Rash, Dominique, Hoffman, David, Manger, Ryan, Dragojević, Irena

“…To evaluate the process and improve safety of intraoperative radiation therapy (IORT) for early-stage breast cancers treated with electronic brachytherapy. A…”
Get full text

Specific Absorbed Fractions for Spontaneous Fission Neutron Emitters in the ICRP Reference Pediatric Voxel Phantom Series by Griffin, Keith T., Eckerman, Keith F., Manger, Ryan P., Jokisch, Derek W., Bolch, Wesley E., Hertel, Nolan E.

Get full text

Improving the treatment planning and delivery process of Xoft electronic skin brachytherapy by Manger, Ryan, Rahn, Douglas, Hoisak, Jeremy, Dragojević, Irena

“…To develop an improved Xoft electronic skin brachytherapy process and identify areas of further improvement. A multidisciplinary team conducted a failure modes…”
Get full text

Clinical Impact of Contouring Variability for Prostate Cancer Tumor Boost by Zhong, Allison Y., Lui, Asona J., Kuznetsova, Svetlana, Kallis, Karoline, Conlin, Christopher, Do, Deondre D., Domingo, Mariluz Rojo, Manger, Ryan, Hua, Patricia, Karunamuni, Roshan, Kuperman, Joshua, Dale, Anders M., Rakow-Penner, Rebecca, Hahn, Michael E., van der Heide, Uulke A., Ray, Xenia, Seibert, Tyler M.

“…The focal radiation therapy (RT) boost technique was shown in a phase III randomized controlled trial (RCT) to improve prostate cancer outcomes without…”
Get full text

Benchmarking failure mode and effects analysis of electronic brachytherapy with data from incident learning systems by Hoisak, Jeremy D.P., Manger, Ryan, Dragojević, Irena

“…Failure modes and effects analysis (FMEA) is a prospective risk assessment tool for identifying failure modes in equipment or processes and informing the…”
Get full text

A Generic Biokinetic Model for C-14 by Manger, Ryan P

“…The generic biokinetic model currently recommended by the International Commission on Radiological Protection (ICRP) for the treatment of systemic radiocarbon…”
Get full text

Effective dose rate coefficients for exposure to contaminated soil by Veinot, K. G., Eckerman, K. F., Bellamy, M. B., Hiller, M. M., Dewji, S. A., Easterly, C. E., Hertel, N. E., Manger, R.

“…The Oak Ridge National Laboratory Center for Radiation Protection Knowledge has undertaken calculations related to various environmental exposure scenarios. A…”
Get full text

Dose conversion coefficients for neutron exposure to the lens of the human eye by Manger, Ryan P, Bellamy, Michael B, Eckerman, Keith F

“…Dose conversion coefficients for the lens of the human eye have been calculated for neutron exposure at energies from 1 x 10{sup -9} to 20 MeV and several…”
Get full text