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Ahmed F. Halaweish, Ph.D. - Publications

Affiliations: 
2011 Biomedical Engineering University of Iowa, Iowa City, IA 
Area:
Biomedical Engineering, Radiology
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28 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2021 Mohammadinejad P, Kwapisz L, Fidler JL, Sheedy SP, Heiken JP, Khandelwal A, Wells ML, Froemming AT, Hansel SL, Lee YS, Inoue A, Halaweish AF, McCollough CH, Bruining DH, Fletcher JG. The utility of a dual-phase, dual-energy CT protocol in patients presenting with overt gastrointestinal bleeding. Acta Radiologica Open. 10: 20584601211030658. PMID 34377539 DOI: 10.1177/20584601211030658  0.312
2021 Ren L, Allmendinger T, Halaweish A, Schmidt B, Flohr T, McCollough CH, Yu L. Energy-integrating-detector Multi-energy CT: Implementation and a Phantom Study. Medical Physics. PMID 33988849 DOI: 10.1002/mp.14943  0.318
2020 Li Z, Leng S, Halaweish AF, Yu Z, Yu L, Ritman EL, McCollough CH. Overcoming calcium blooming and improving the quantification accuracy of percent area luminal stenosis by material decomposition of multi-energy computed tomography datasets. Journal of Medical Imaging (Bellingham, Wash.). 7: 053501. PMID 33033732 DOI: 10.1117/1.JMI.7.5.053501  0.398
2020 Kircher M, Elke G, Stender B, Hernandez Mesa M, Schuderer F, Dossel O, Fuld MK, Halaweish AF, Hoffman EA, Weiler N, Frerichs I. Regional lung perfusion analysis in experimental ARDS by electrical impedance and computed tomography. Ieee Transactions On Medical Imaging. PMID 32956046 DOI: 10.1109/Tmi.2020.3025080  0.463
2019 Mohammadinejad P, Ehman EC, Vasconcelos RN, Venkatesh SK, Hough DM, Lowe R, Lee YS, Nehra A, Dirks S, Holmes DR, Carter RE, Schmidt B, Halaweish AF, McCollough CH, Fletcher JG. Prior iterative reconstruction (PIR) to lower radiation dose and preserve radiologist performance for multiphase liver CT: a multi-reader pilot study. Abdominal Radiology (New York). PMID 31705250 DOI: 10.1007/S00261-019-02280-0  0.307
2018 Bartlett DJ, Koo CW, Bartholmai BJ, Rajendran K, Weaver JM, Halaweish AF, Leng S, McCollough CH, Fletcher JG. High-Resolution Chest Computed Tomography Imaging of the Lungs: Impact of 1024 Matrix Reconstruction and Photon-Counting Detector Computed Tomography. Investigative Radiology. PMID 30461437 DOI: 10.1097/RLI.0000000000000524  0.431
2018 Weber NM, Koo CW, Yu L, Bartholmai BJ, Halaweish AF, McCollough CH, Fletcher JG. Breathe New Life Into Your Chest CT Exams: Using Advanced Acquisition and Postprocessing Techniques. Current Problems in Diagnostic Radiology. PMID 30449721 DOI: 10.1067/J.Cpradiol.2018.10.003  0.429
2018 Marcus RP, Fletcher JG, Ferrero A, Leng S, Halaweish AF, Gutjahr R, Vrtiska TJ, Wells ML, Enders FT, McCollough CH. Detection and Characterization of Renal Stones by Using Photon-Counting-based CT. Radiology. 180126. PMID 30084728 DOI: 10.1148/radiol.2018180126  0.328
2018 Zhou W, Abdurakhimova D, Bruesewitz M, Halaweish A, McCollough CH, Leng S. Impact of Photon Counting Detector Technology on kV Selection and Diagnostic Workflow in CT. Proceedings of Spie--the International Society For Optical Engineering. 10573. PMID 30034081 DOI: 10.1117/12.2294952  0.344
2017 Rajendran K, Leng S, Jorgensen SM, Anderson JL, Halaweish AF, Abdurakhimova D, Ritman EL, McCollough CH. Measuring arterial wall perfusion using photon-counting computed tomography (CT): improving CT number accuracy of artery wall using image deconvolution. Journal of Medical Imaging (Bellingham, Wash.). 4: 044006. PMID 29250564 DOI: 10.1117/1.JMI.4.4.044006  0.351
2017 Zhou W, Montoya J, Gutjahr R, Ferrero A, Halaweish A, Kappler S, McCollough C, Leng S. Lung nodule volume quantification and shape differentiation with an ultra-high resolution technique on a photon-counting detector computed tomography system. Journal of Medical Imaging (Bellingham, Wash.). 4: 043502. PMID 29181429 DOI: 10.1117/1.JMI.4.4.043502  0.367
2017 Leng S, Zhou W, Yu Z, Halaweish AF, Krauss B, Schmidt B, Yu L, Kappler S, McCollough CH. Spectral performance of a whole-body research photon counting detector CT: quantitative accuracy in derived image sets. Physics in Medicine and Biology. PMID 28726669 DOI: 10.1088/1361-6560/Aa8103  0.358
2017 Zhou W, Montoya J, Gutjahr R, Ferrero A, Halaweish A, Kappler S, McCollough C, Leng S. Lung Nodule Volume Quantification and Shape Differentiation with an Ultra-High Resolution Technique on a Photon Counting Detector CT System. Proceedings of Spie--the International Society For Optical Engineering. 10132. PMID 28392613 DOI: 10.1117/12.2255736  0.304
2016 Leng S, Yu Z, Halaweish A, Kappler S, Hahn K, Henning A, Li Z, Lane J, Levin DL, Jorgensen S, Ritman E, McCollough C. Dose-efficient ultrahigh-resolution scan mode using a photon counting detector computed tomography system. Journal of Medical Imaging (Bellingham, Wash.). 3: 043504. PMID 28042589 DOI: 10.1117/1.JMI.3.4.043504  0.302
2016 Yu Z, Leng S, Kappler S, Hahn K, Li Z, Halaweish AF, Henning A, McCollough CH. Noise performance of low-dose CT: comparison between an energy integrating detector and a photon counting detector using a whole-body research photon counting CT scanner. Journal of Medical Imaging (Bellingham, Wash.). 3: 043503. PMID 28018936 DOI: 10.1117/1.JMI.3.4.043503  0.311
2016 Leng S, Yu Z, Halaweish A, Kappler S, Hahn K, Henning A, Li Z, Lane J, Levin DL, Jorgensen S, Ritman E, McCollough C. A High-Resolution Imaging Technique using a Whole-body, Research Photon Counting Detector CT System. Proceedings of Spie--the International Society For Optical Engineering. 9783. PMID 27330238 DOI: 10.1117/12.2217180  0.326
2016 Yu Z, Leng S, Li Z, Halaweish AF, Kappler S, Ritman EL, McCollough CH. How Low Can We Go in Radiation Dose for the Data-Completion Scan on a Research Whole-Body Photon-Counting Computed Tomography System. Journal of Computer Assisted Tomography. PMID 27096399 DOI: 10.1097/RCT.0000000000000412  0.315
2016 Yu Z, Leng S, Jorgensen SM, Li Z, Gutjahr R, Chen B, Halaweish AF, Kappler S, Yu L, Ritman EL, McCollough CH. Evaluation of conventional imaging performance in a research whole-body CT system with a photon-counting detector array. Physics in Medicine and Biology. 61: 1572-1595. PMID 26835839 DOI: 10.1088/0031-9155/61/4/1572  0.312
2016 Gutjahr R, Halaweish AF, Yu Z, Leng S, Yu L, Li Z, Jorgensen SM, Ritman EL, Kappler S, McCollough CH. Human Imaging With Photon Counting-Based Computed Tomography at Clinical Dose Levels: Contrast-to-Noise Ratio and Cadaver Studies. Investigative Radiology. PMID 26818529 DOI: 10.1097/Rli.0000000000000251  0.334
2016 Michalak G, Grimes J, Fletcher J, Halaweish A, Yu L, Leng S, McCollough C. Technical Note: Improved CT number stability across patient size using dual-energy CT virtual monoenergetic imaging. Medical Physics. 43: 513. PMID 26745944 DOI: 10.1118/1.4939128  0.37
2015 Yu Z, Leng S, Jorgensen SM, Li Z, Gutjahr R, Chen B, Duan X, Halaweish AF, Yu L, Ritman EL, McCollough CH. Initial results from a prototype whole-body photon-counting computed tomography system. Proceedings of Spie--the International Society For Optical Engineering. 9412. PMID 26097280 DOI: 10.1117/12.2082739  0.312
2014 Michalak G, Grimes J, Halaweish A, Fletcher J, McCollough C. TU-F-18A-09: CT Number Stability Across Patient Sizes Using Virtual-Monoenergetic Dual-Energy CT. Medical Physics. 41: 477. PMID 28036714 DOI: 10.1118/1.4889345  0.328
2013 Elke G, Fuld MK, Halaweish AF, Grychtol B, Weiler N, Hoffman EA, Frerichs I. Quantification of ventilation distribution in regional lung injury by electrical impedance tomography and xenon computed tomography. Physiological Measurement. 34: 1303-18. PMID 24021927 DOI: 10.1088/0967-3334/34/10/1303  0.416
2013 Halaweish AF, Moon RE, Foster WM, Soher BJ, McAdams HP, MacFall JR, Ainslie MD, MacIntyre NR, Charles HC. Perfluoropropane gas as a magnetic resonance lung imaging contrast agent in humans. Chest. 144: 1300-10. PMID 23722696 DOI: 10.1378/Chest.12-2597  0.402
2013 Halaweish AF, Hoffman EA, Thedens DR, Fuld MK, Sieren JP, van Beek EJ. Effect of lung inflation level on hyperpolarized 3He apparent diffusion coefficient measurements in never-smokers. Radiology. 268: 572-80. PMID 23592768 DOI: 10.1148/Radiol.13120005  0.359
2013 Fuld MK, Halaweish AF, Newell JD, Krauss B, Hoffman EA. Optimization of dual-energy xenon-computed tomography for quantitative assessment of regional pulmonary ventilation. Investigative Radiology. 48: 629-37. PMID 23571834 DOI: 10.1097/Rli.0B013E31828Ad647  0.435
2013 Fuld MK, Halaweish AF, Haynes SE, Divekar AA, Guo J, Hoffman EA. Pulmonary perfused blood volume with dual-energy CT as surrogate for pulmonary perfusion assessed with dynamic multidetector CT. Radiology. 267: 747-56. PMID 23192773 DOI: 10.1148/Radiol.12112789  0.426
2010 Lynch W, Alford S, Schmidt A, Halaweish A, Hoffmann E. 282: Ex Vivo Donor Lung Evaluation Using Multi-Detector Row Computed Tomography The Journal of Heart and Lung Transplantation. 29: S95-S96. DOI: 10.1016/j.healun.2009.11.294  0.421
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