Search Results - "Cullip, T."

Household drug-resistant TB contact tracing in Tajikistan by Rekart, M. L., Aung, A., Cullip, T., Mulanda, W., Mun, L., Pirmahmadzoda, B., Kliescokova, J., Achar, J., Alvarez, J. L., Sitali, N., Sinha, A.

“…BACKGROUND: Tajikistan has a high burden of rifampicin-resistant TB (RR-TB), with 2,700 new cases estimated for 2021 (28/100,000 population). TB is spread…”
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SU‐E‐T‐166: Clinical Impact of Minor Errors Discovered in Conventional IMRT QA On Patient Treatment by Chang, S, Lawrence, M, Cullip, T, Wang, S, Fried, D

“…Purpose: To demonstrate that conventional IMRT QA metrics and passing criteria should be replaced by DVH‐based criteria that can efficiently interpret the…”
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SU‐E‐T‐654: Direct Aperture Optimization Using An Inverse Form of Back Projection by Zhu, X, Cullip, T, Tracton, G, Dooley, J, Chang, S

“…Purpose: Intensity modulated radiotherapy plans using direct aperture optimization (DAO) promise high dosimetric quality and fast treatment delivery. We…”
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WE‐E‐BRB‐02: Current IMRT QA Metrics Are Not Correlated with Clinically Relevant Dosimetric Errors in Prostate and Head Neck Treatments by Lawrence, M, Wang, S, Cullip, T, Chang, S

“…Purpose: To investigate if the degree of IMRT QA error characterized by the conventional metrics is correlated with clinically relevant dosimetric errors for…”
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SU‐E‐T‐623: Utilizing a Hybrid Optimizer to Improve Dose Conformity during IMRT Planning by Zhu, X, Cullip, T, Tracton, G, Rosenman, J, Chang, S

“…Purpose: For IMRT treatment planning, an index‐dose based algorithm features a fast approach in optimizing beam shapes and weights, and the quasi‐Newton method…”
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SU‐E‐J‐222: An Analysis of the Deep Inspiration Breath Hold (DIBH) Treatment Delivery Uncertainties by Tang, X, Cullip, T, Dooley, J, Zhu, X, Lian, J, Lawrence, M, Zagar, T, Jones, E, Marks, L, Chang, S

“…Purpose: Depends on how stable the patient can hold her breath during beam on time, there are always some degrees of uncertainties associated with the Deep…”
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SU‐E‐T‐859: A New Approach to Improve IMRT Delivery Efficiency by Intensity Map Discretization by Zhu, X, Cullip, T, Tracton, G, Schreiber, E, Xu, Z, Chang, S

“…Purpose: To minimize IMRT treatment monitor units and delivery time without compromising dosimetric quality in an in‐house treatment planning system. Methods:…”
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Is Image Registration of FDG-PET for Head and Neck Treatment Planning Necessary? by Fried, D, Lawrence, M, Khandani, A, Rosenman, J, Cullip, T, Chera, B

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SU‐FF‐T‐562: Interfraction Dose Variation Resulting From Anatomic Deformation in CyberKnife Prostate Radiosurgery by Schreiber, E, Foskey, M, Cullip, T, Lian, J

“…Purpose: Radiosurgery dose distributions in the prostate are often characterized by tight margins and high dose gradients, increasing the negative consequences…”
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SU‐E‐T‐771: Isodose Line Driven Semi‐Inverse Planning of High Dose Rate Brachytherapy for Cervical Cancer by Lian, J, Cullip, T, Zhu, J, Jones, E, Varia, M, Tang, X, Potter, L, Xu, Z, Deschesne, K, Chang, S

“…Purpose: Delineation of tumor is indispensible for adequate tumor coverage in inverse planning of cervical cancer brachytherapy. However, target definition is…”
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SU‐GG‐T‐09: Dose Accumulation From Film‐Based Brachytherapy Planning and CT‐Based External Beam Radiotherapy Planning by Lian, J, Cullip, T, Deschesne, K, Chang, S

“…Purpose: Radical radiation therapy that combines external beam therapy (EBRT) and brachytherapy (BRT) is effective in managing local‐regional confined cervical…”
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A comparison of different intensity modulation treatment techniques for tangential breast irradiation by Chang, S X, Deschesne, K M, Cullip, T J, Parker, S A, Earnhart, J

“…Several intensity modulation (IM) treatment techniques for tangential breast irradiation were evaluated in terms of dose uniformity in the treated breast…”
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SU‐FF‐T‐216: Comparison of a 2D and 3D Array of Diodes for IMRT QA by Lawrence, M, Potter, L, Cullip, T, Xu, Z, Deschesne, K, Chang, S

“…Purpose: To compare the IMRT QA pass/fail rates of a 2D diode array system MapCHECK™ and a cylindrical 3D diode array system Delta4™, and to investigate the…”
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SU‐GG‐T‐209: A Novel Method for Further Analysis of IMRT QA by Lawrence, M, Cullip, T, Potter, L, Lian, J, Wang, S, Xu, Z, Deschesne, K, Chang, S

“…Purpose: IMRT QA is often performed with a commercial device that compares 2D intensity maps to determine if a field passes certain dose and position criteria…”
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Film to CT Registration to Accumulate Dose of Brachytherapy and External Beam Radiotherapy Planning for Cervical Cancer by Lian, J, Cullip, T, Deschesne, K, Harris, S, Varia, M, Chang, S

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SU‐FF‐T‐130: Clinical Significance Based IMRT QA Approach by Lian, J, Cullip, T, Deschesne, K, Chang, S

“…Purpose: Patient‐specific IMRT treatment quality assurance procedure often consists of the measurement of 2‐dimensional intensity map and absolute dose. The…”
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A Monte Carlo study of accelerator head scatter by Chaney, E L, Cullip, T J, Gabriel, T A

“…The production of off-focus x rays in the head of a 6 MV linac has been investigated using the EGS4 Monte Carlo code. The purpose of the study was to identify…”
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Image registration: an essential part of radiation therapy treatment planning by Rosenman, J G, Miller, E P, Tracton, G, Cullip, T J

“…We believe that a three-dimensional (3D) registration of nonplanning (diagnostic) imaging data with the planning computed tomography (CT) offers a substantial…”
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SU‐FF‐T‐362: PLanUNC as An Open‐Source Radiotherapy Planning System for Research and Education by Schreiber, E, Xu, Z, Lorenzen, A, Foskey, M, Cullip, T, Tracton, G, Chaney, E

“…Purpose: PLanUNC is a radiotherapy planning software package that has been under development and clinical use at the University of North Carolina for…”
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Yield of TB screening in prisons in Tajikistan by Moe, S., Asozoda, M., Aung, A., Dusmatova, Z., Akintore, F., Nshimiyimana, E., Zavqibekov, A., Sitali, N., Mulanda, W.K., Cullip, T., Sinha, A.

“…BACKGROUND The rate of TB in prison institutions is estimated to be 23 times higher than in the general population. Limited documentation exists regarding TB…”
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