Sort by
Items per page

Send to

Choose Destination

Search results

Items: 1 to 50 of 314


Determination of iodine detectability in different types of multiple-energy images for a photon-counting detector computed tomography system.

Zhou W, Michalak G, Weaver J, Ferrero A, Gong H, Fetterly KA, McCollough CH, Leng S.

J Med Imaging (Bellingham). 2019 Oct;6(4):043501. doi: 10.1117/1.JMI.6.4.043501. Epub 2019 Oct 15.


Technical Note: Increased Photon Starvation Artifacts at Low Helical Pitch in Ultra-Low-Dose CT.

Browne JE, Bruesewitz MR, Vrieze TJ, McCollough CH, Yu L.

Med Phys. 2019 Oct 3. doi: 10.1002/mp.13845. [Epub ahead of print]


Comparison of glenohumeral joint kinematics between manual wheelchair tasks and implications on the subacromial space: A biplane fluoroscopy study.

Mozingo JD, Akbari-Shandiz M, Van Straaten MG, Murthy NS, Schueler BA, Holmes DR 3rd, McCollough CH, Zhao KD.

J Electromyogr Kinesiol. 2019 Aug 23:102350. doi: 10.1016/j.jelekin.2019.08.004. [Epub ahead of print]


Reducing radiation dose for multi-phase contrast-enhanced dual energy renal CT: pilot study evaluating prior iterative reconstruction.

Navin PJ, Kim B, Wells ML, Khandelwal A, Halaweish AF, Moen TR, Johnson MP, McCollough S, Lee YS, Leng S, McCollough CH, Fletcher JG.

Abdom Radiol (NY). 2019 Oct;44(10):3350-3358. doi: 10.1007/s00261-019-02150-9.


Individualized Delay for Abdominal Computed Tomography Angiography Bolus-Tracking Based on Sequential Monitoring: Increased Aortic Contrast Permits Decreased Injection Rate and Lower Iodine Dose.

Gutjahr R, Fletcher JG, Lee YS, Halaweish AF, Suresh V, Weber NM, Vrtiska TJ, Williamson EE, Schmidt B, McCollough CH.

J Comput Assist Tomogr. 2019 Jul/Aug;43(4):612-618. doi: 10.1097/RCT.0000000000000874.


Computed Tomography Cholangiography Using the Magnetic Resonance Contrast Agent Gadoxetate Disodium: A Phantom Study.

Dilger SKN, Nelson N, Venkatesh SK, Ehman EC, Fidler JL, Fletcher JG, McCollough CH, Yu L.

Invest Radiol. 2019 Sep;54(9):572-579. doi: 10.1097/RLI.0000000000000580.


Feasibility of multi-contrast imaging on dual-source photon counting detector (PCD) CT: An initial phantom study.

Tao S, Rajendran K, McCollough CH, Leng S.

Med Phys. 2019 Sep;46(9):4105-4115. doi: 10.1002/mp.13668. Epub 2019 Jul 5.


Symptomatic and Radiographic Manifestations of Kidney Stone Recurrence and Their Prediction by Risk Factors: A Prospective Cohort Study.

D'Costa MR, Haley WE, Mara KC, Enders FT, Vrtiska TJ, Pais VM, Jacobsen SJ, McCollough CH, Lieske JC, Rule AD.

J Am Soc Nephrol. 2019 Jul;30(7):1251-1260. doi: 10.1681/ASN.2018121241. Epub 2019 Jun 7.


Clinical utility of virtual noncalcium dual-energy CT in imaging of the pelvis and hip.

Baffour FI, Glazebrook KN, Morris JM, Michalak GJ, Fletcher JG, Leng S, McCollough CH.

Skeletal Radiol. 2019 May 30. doi: 10.1007/s00256-019-03243-8. [Epub ahead of print] Review.


Evaluation of Pseudoreader Study Designs to Estimate Observer Performance Results as an Alternative to Fully Crossed, Multireader, Multicase Studies.

Carter RE, Holmes DR 3rd, Fletcher JG, McCollough CH.

Acad Radiol. 2019 May 7. pii: S1076-6332(19)30173-4. doi: 10.1016/j.acra.2019.03.014. [Epub ahead of print]


Photon-counting Detector CT: System Design and Clinical Applications of an Emerging Technology.

Leng S, Bruesewitz M, Tao S, Rajendran K, Halaweish AF, Campeau NG, Fletcher JG, McCollough CH.

Radiographics. 2019 May-Jun;39(3):729-743. doi: 10.1148/rg.2019180115.


Dual-source photon counting detector CT with a tin filter: a phantom study on iodine quantification performance.

Tao A, Huang R, Tao S, Michalak GJ, McCollough CH, Leng S.

Phys Med Biol. 2019 May 31;64(11):115019. doi: 10.1088/1361-6560/ab1c34.


Localization of liver lesions in abdominal CT imaging: II. Mathematical model observer performance correlates with human observer performance for localization of liver lesions in abdominal CT imaging.

Dilger SKN, Leng S, Chen B, Carter RE, Favazza CP, Fletcher JG, McCollough CH, Yu L.

Phys Med Biol. 2019 May 10;64(10):105012. doi: 10.1088/1361-6560/ab1a62.


Localization of liver lesions in abdominal CT imaging: I. Correlation of human observer performance between anatomical and uniform backgrounds.

Dilger SKN, Yu L, Chen B, Favazza CP, Carter RE, Fletcher JG, McCollough CH, Leng S.

Phys Med Biol. 2019 May 10;64(10):105011. doi: 10.1088/1361-6560/ab1a45.


Improving iodine contrast to noise ratio using virtual monoenergetic imaging and prior-knowledge-aware iterative denoising (mono-PKAID).

Tao S, Rajendran K, Zhou W, Fletcher JG, McCollough CH, Leng S.

Phys Med Biol. 2019 May 16;64(10):105014. doi: 10.1088/1361-6560/ab17fa.


Impact of prior information on material decomposition in dual- and multienergy computed tomography.

Ren L, Tao S, Rajendran K, McCollough CH, Yu L.

J Med Imaging (Bellingham). 2019 Jan;6(1):013503. doi: 10.1117/1.JMI.6.1.013503. Epub 2019 Mar 14.


A deep learning- and partial least square regression-based model observer for a low-contrast lesion detection task in CT.

Gong H, Yu L, Leng S, Dilger SK, Ren L, Zhou W, Fletcher JG, McCollough CH.

Med Phys. 2019 May;46(5):2052-2063. doi: 10.1002/mp.13500. Epub 2019 Apr 1.


Forward model for propagation-based x-ray phase contrast imaging in parallel- and cone-beam geometry.

Shanblatt ER, Sung Y, Gupta R, Nelson BJ, Leng S, Graves WS, McCollough CH.

Opt Express. 2019 Feb 18;27(4):4504-4521. doi: 10.1364/OE.27.004504.


Evaluation of a photon counting Medipix3RX cadmium zinc telluride spectral x-ray detector.

Marsh JF, Jorgensen SM, Rundle DS, Vercnocke AJ, Leng S, Butler PH, McCollough CH, Ritman EL.

J Med Imaging (Bellingham). 2018 Oct;5(4):043503. doi: 10.1117/1.JMI.5.4.043503. Epub 2018 Dec 4.


Ability of Dual-Energy CT to Detect Silicone Gel Breast Implant Rupture and Nodal Silicone Spread.

Glazebrook KN, Doerge S, Leng S, Drees TA, Hunt KN, Zingula SN, Pruthi S, Geske JR, Carter RE, McCollough CH, Fletcher JG.

AJR Am J Roentgenol. 2019 Apr;212(4):933-942. doi: 10.2214/AJR.18.20138. Epub 2019 Feb 19.


Understanding, justifying, and optimizing radiation exposure for CT imaging in nephrourology.

Ferrero A, Takahashi N, Vrtiska TJ, Krambeck AE, Lieske JC, McCollough CH.

Nat Rev Urol. 2019 Apr;16(4):231-244. doi: 10.1038/s41585-019-0148-8. Review.


Clinical Assessment of Metal Artifact Reduction Methods in Dual-Energy CT Examinations of Instrumented Spines.

Long Z, DeLone DR, Kotsenas AL, Lehman VT, Nagelschneider AA, Michalak GJ, Fletcher JG, McCollough CH, Yu L.

AJR Am J Roentgenol. 2019 Feb;212(2):395-401. doi: 10.2214/AJR.18.19757. Epub 2018 Dec 12.


Renal Adiposity Does not Preclude Quantitative Assessment of Renal Function Using Dual-Energy Multidetector CT in Mildly Obese Human Subjects.

Ferguson CM, Eirin A, Michalak GJ, Hedayat AF, Abumoawad AM, Saad A, Zhu X, Textor SC, McCollough CH, Lerman LO.

Acad Radiol. 2019 Jan 14. pii: S1076-6332(19)30001-7. doi: 10.1016/j.acra.2018.12.008. [Epub ahead of print]


Computed Tomography Technology-and Dose-in the 21st Century.

McCollough CH.

Health Phys. 2019 Feb;116(2):157-162. doi: 10.1097/HP.0000000000000997.


Reduction of Metal Artifacts and Improvement in Dose Efficiency Using Photon-Counting Detector Computed Tomography and Tin Filtration.

Zhou W, Bartlett DJ, Diehn FE, Glazebrook KN, Kotsenas AL, Carter RE, Fletcher JG, McCollough CH, Leng S.

Invest Radiol. 2019 Apr;54(4):204-211. doi: 10.1097/RLI.0000000000000535.


Impact of Effective Detector Pixel and CT Voxel Size on Accurate Estimation of Blood Volume in Opacified Microvasculature.

Sheikhzadeh M, Vercnocke AJ, Tao S, Rajendran K, Leng S, Ritman EL, McCollough CH.

Acad Radiol. 2019 Oct;26(10):1410-1416. doi: 10.1016/j.acra.2018.11.013. Epub 2018 Dec 7.


Concern about a recently published paper in the European Journal of Radiology.

McCollough CH, Leng S, Yu L, Ferrero A.

Eur J Radiol. 2018 Dec;109:203. doi: 10.1016/j.ejrad.2018.11.008. Epub 2018 Nov 13. No abstract available.


Findings of CT-Derived Bone Strength Assessment in Inflammatory Bowel Disease Patients Undergoing CT Enterography in Clinical Practice.

Maldonado FJ, Al Bawardy BF, Nehra AK, Lee YS, Bruining DH, Adkins MC, Keaveny TM, Johnson MP, Fidler JL, McCollough CH, Fletcher JG.

Inflamm Bowel Dis. 2019 May 4;25(6):1072-1079. doi: 10.1093/ibd/izy341.


High-Resolution Chest Computed Tomography Imaging of the Lungs: Impact of 1024 Matrix Reconstruction and Photon-Counting Detector Computed Tomography.

Bartlett DJ, Koo CW, Bartholmai BJ, Rajendran K, Weaver JM, Halaweish AF, Leng S, McCollough CH, Fletcher JG.

Invest Radiol. 2019 Mar;54(3):129-137. doi: 10.1097/RLI.0000000000000524.


Breathe New Life Into Your Chest CT Exams: Using Advanced Acquisition and Postprocessing Techniques.

Weber NM, Koo CW, Yu L, Bartholmai BJ, Halaweish AF, McCollough CH, Fletcher JG.

Curr Probl Diagn Radiol. 2019 Mar - Apr;48(2):152-160. doi: 10.1067/j.cpradiol.2018.10.003. Epub 2018 Oct 24.


Lead Shielding in Pediatric Chest CT: Effect of Apron Placement Outside the Scan Volume on Radiation Dose Reduction.

Yu L, Bruesewitz MR, Vrieze TJ, McCollough CH.

AJR Am J Roentgenol. 2019 Jan;212(1):151-156. doi: 10.2214/AJR.17.19405. Epub 2018 Nov 13.


Observer Performance with Varying Radiation Dose and Reconstruction Methods for Detection of Hepatic Metastases.

Fletcher JG, Fidler JL, Venkatesh SK, Hough DM, Takahashi N, Yu L, Johnson M, Leng S, Holmes DR 3rd, Carter R, McCollough CH.

Radiology. 2018 Nov;289(2):455-464. doi: 10.1148/radiol.2018180125. Epub 2018 Sep 11.


Theoretical and experimental analysis of photon counting detector CT for proton stopping power prediction.

Taasti VT, Hansen DC, Michalak GJ, Deisher AJ, Kruse JJ, Muren LP, Petersen JBB, McCollough CH.

Med Phys. 2018 Nov;45(11):5186-5196. doi: 10.1002/mp.13173. Epub 2018 Oct 1.


Material decomposition with prior knowledge aware iterative denoising (MD-PKAID).

Tao S, Rajendran K, McCollough CH, Leng S.

Phys Med Biol. 2018 Sep 21;63(19):195003. doi: 10.1088/1361-6560/aadc90.


Comparison of a Photon-Counting-Detector CT with an Energy-Integrating-Detector CT for Temporal Bone Imaging: A Cadaveric Study.

Zhou W, Lane JI, Carlson ML, Bruesewitz MR, Witte RJ, Koeller KK, Eckel LJ, Carter RE, McCollough CH, Leng S.

AJNR Am J Neuroradiol. 2018 Sep;39(9):1733-1738. doi: 10.3174/ajnr.A5768. Epub 2018 Aug 9.


Detection and Characterization of Renal Stones by Using Photon-Counting-based CT.

Marcus RP, Fletcher JG, Ferrero A, Leng S, Halaweish AF, Gutjahr R, Vrtiska TJ, Wells ML, Enders FT, McCollough CH.

Radiology. 2018 Nov;289(2):436-442. doi: 10.1148/radiol.2018180126. Epub 2018 Aug 7.


Dual-source multienergy CT with triple or quadruple x-ray beams.

Yu L, Ren L, Li Z, Leng S, McCollough CH.

J Med Imaging (Bellingham). 2018 Jul;5(3):033502. doi: 10.1117/1.JMI.5.3.033502. Epub 2018 Jul 24.


Prospective Pilot Evaluation of Radiologists and Computer-aided Pulmonary Nodule Detection on Ultra-low-Dose CT With Tin Filtration.

Takahashi EA, Koo CW, White DB, Lindell RM, Sykes AG, Levin DL, Kuzo RS, Wolf M, Bogoni L, Carter RE, McCollough CH, Fletcher JG.

J Thorac Imaging. 2018 Nov;33(6):396-401. doi: 10.1097/RTI.0000000000000348.


Impact of Photon Counting Detector Technology on kV Selection and Diagnostic Workflow in CT.

Zhou W, Abdurakhimova D, Bruesewitz M, Halaweish A, McCollough CH, Leng S.

Proc SPIE Int Soc Opt Eng. 2018 Mar;10573. pii: 105731C. doi: 10.1117/12.2294952.


Determination of Optimal Image Type and Lowest Detectable Concentration for Iodine Detection on a Photon Counting Detector-Based Multi-Energy CT System.

Zhou W, Schornak R, Michalak G, Weaver J, Abdurakhimova D, Ferrero A, Fetterly KA, McCollough CH, Leng S.

Proc SPIE Int Soc Opt Eng. 2018 Mar;10573. pii: 105734U. doi: 10.1117/12.2294949.


Correlation between model observers in uniform background and human observers in patient liver background for a low-contrast detection task in CT.

Gong H, Yu L, Leng S, Dilger S, Zhou W, Ren L, McCollough CH.

Proc SPIE Int Soc Opt Eng. 2018 Feb;10577. pii: 105770M. doi: 10.1117/12.2294955. Epub 2018 Mar 7.


150-μm Spatial Resolution Using Photon-Counting Detector Computed Tomography Technology: Technical Performance and First Patient Images.

Leng S, Rajendran K, Gong H, Zhou W, Halaweish AF, Henning A, Kappler S, Baer M, Fletcher JG, McCollough CH.

Invest Radiol. 2018 Nov;53(11):655-662. doi: 10.1097/RLI.0000000000000488.


Evaluation of projection- and dual-energy-based methods for metal artifact reduction in CT using a phantom study.

Long Z, Bruesewitz MR, DeLone DR, Morris JM, Amrami KK, Adkins MC, Glazebrook KN, Kofler JM, Leng S, McCollough CH, Fletcher JG, Halaweish AF, Yu L.

J Appl Clin Med Phys. 2018 Jul;19(4):252-260. doi: 10.1002/acm2.12347. Epub 2018 May 10.


Targeted Imaging of Renal Fibrosis Using Antibody-Conjugated Gold Nanoparticles in Renal Artery Stenosis.

Zhu XY, Zou X, Mukherjee R, Yu Z, Ferguson CM, Zhou W, McCollough CH, Lerman LO.

Invest Radiol. 2018 Oct;53(10):623-628. doi: 10.1097/RLI.0000000000000476.


Three-Material Decomposition in Multi-energy CT: Impact of Prior Information on Noise and Bias.

Ren L, McCollough CH, Yu L.

Proc SPIE Int Soc Opt Eng. 2018 Mar;10573. pii: 105731G. doi: 10.1117/12.2294953.


Imaging findings of mammary and systemic silicone deposition secondary to breast implants.

Samreen N, Glazebrook KN, Bhatt A, Venkatesh SK, McMenomy BP, Chandra A, Leng S, Adler KE, McCollough CH.

Br J Radiol. 2018 Sep;91(1089):20180098. doi: 10.1259/bjr.20180098. Epub 2018 May 10. Review.


Validation of imaging-based quantification of glenohumeral joint kinematics using an unmodified clinical biplane fluoroscopy system.

Mozingo JD, Akbari Shandiz M, Marquez FM, Schueler BA, Holmes DR 3rd, McCollough CH, Zhao KD.

J Biomech. 2018 Apr 11;71:306-312. doi: 10.1016/j.jbiomech.2018.02.012. Epub 2018 Feb 13.


Characterization of Urinary Stone Composition by Use of Whole-body, Photon-counting Detector CT.

Ferrero A, Gutjahr R, Halaweish AF, Leng S, McCollough CH.

Acad Radiol. 2018 Oct;25(10):1270-1276. doi: 10.1016/j.acra.2018.01.007. Epub 2018 Feb 14.


The Changing Incidence and Presentation of Urinary Stones Over 3 Decades.

Kittanamongkolchai W, Vaughan LE, Enders FT, Dhondup T, Mehta RA, Krambeck AE, McCollough CH, Vrtiska TJ, Lieske JC, Rule AD.

Mayo Clin Proc. 2018 Mar;93(3):291-299. doi: 10.1016/j.mayocp.2017.11.018. Epub 2018 Feb 14.


Intrarenal fat deposition does not interfere with the measurement of single-kidney perfusion in obese swine using multi-detector computed tomography.

Ferguson CM, Eirin A, Michalak GJ, Hedayat AF, Abumoawad A, Saad A, Zhu X, Textor SC, McCollough CH, Lerman LO.

J Cardiovasc Comput Tomogr. 2018 Mar - Apr;12(2):149-152. doi: 10.1016/j.jcct.2018.01.003. Epub 2018 Jan 10.

Supplemental Content

Loading ...
Support Center