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Profile

Amir Pourmorteza

  • Department of Radiology and Imaging Sciences
    Assistant Professor
  • amir.pourmorteza@emory.edu
Head shot of Amir Pourmorteza

Overview

Dr. Pourmorteza is a biomedical engineer and CT physicist whose research is focused on bench-to-bedside translation and validation of novel imaging technologies with a special interest in spectral and high-resolution CT. Prior to joining Emory, he led the National Institute of Health photon-counting CT group where he carried out the first clinical studies of photon-counting CT.

Academic Appointment

  • Assistant Professor, Emory University Hospital, Atlanta

Education

Degrees

  • PhD from Johns Hopkins University, Baltimore

Research

Publications

  • Beam hardening of K-edge contrast agents: a phantom study comparing clinical energy-integrating detector and photon-counting detector CT systems.
    Eur Radiol Exp Volume: 9 Page(s): 31
    03/19/2025 Authors: Pourmorteza A; Choux AR; Holmes TW; Schoepf UJ; van Assen M; De Cecco C; Emrich T; Varga-Szemes A
  • Illuminating the Invisible: Harnessing Low-dose Ultra-high-Resolution PCD-CT for Enhanced Visceral Artery Visualization.
    Acad Radiol Volume: 32 Page(s): 754 - 756
    02/01/2025 Authors: Abbaspour E; Pourmorteza A; Malayeri AA; Nezami N
  • Photon-Counting CT in Cancer Radiotherapy: Technological Advances and Clinical Benefits.
    ArXiv
    12/04/2024 Authors: Shah KD; Zhou J; Roper J; Dhabaan A; Al-Hallaq H; Pourmorteza A; Yang X
  • Photon-Counting CT in Cancer Radiotherapy: Technological Advances and Clinical Benefits

    10/26/2024 Authors: Shah KD; Zhou J; Roper J; Dhabaan A; Al-Hallaq H; Pourmorteza A; Yang X
  • Phase-Contrast CT: A Grand Challenge for Radiology.
    Radiology Volume: 312 Page(s): e241706
    07/01/2024 Authors: Bluemke DA; Pourmorteza A
  • Ultrahigh-Resolution K-Edge Imaging of Coronary Arteries With Prototype Deep-Silicon Photon-Counting CT: Initial Results in Phantoms.
    Radiology Volume: 311 Page(s): e231598
    06/01/2024 Authors: Holmes TW; Yin Z; Bujila R; Madhav P; Kim C; Maltz JS; Pourmorteza A
  • Proceedings of the 17th International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine.
    ArXiv
    01/31/2024 Authors: Huang C; Vaska P; Gao Y; Chang S; Holmes TW; Pourmorteza A; Liang J
  • Cardiac-induced motion of the pancreas and its effect on image quality of ultrahigh-resolution CT.
    Eur Radiol Exp Volume: 8 Page(s): 4
    01/04/2024 Authors: Holmes TW; Yu Z; Thompson R; Oshinski JN; Pourmorteza A
  • Proceedings of the 17th International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine

    10/13/2023 Authors: Huang C; Vaska P; Gao Y; Chang S; Holmes TW; Pourmorteza A; Liang J
  • Clinical Applications of Photon-counting CT: A Review of Pioneer Studies and a Glimpse into the Future.
    Radiology Volume: 309 Page(s): e222432
    10/01/2023 Authors: Douek PC; Boccalini S; Oei EHG; Cormode DP; Pourmorteza A; Boussel L; Si-Mohamed SA; Budde RPJ
  • Photon-counting CT to Virtual Noncontrast CT Images.
    Radiology Volume: 306 Page(s): 205 - 206
    01/01/2023 Authors: Pourmorteza A
  • Ultra-high-resolution spectral silicon-based photon-counting detector CT for coronary CT angiography: Initial results in a dynamic phantom.
    J Cardiovasc Comput Tomogr Volume: 17 Page(s): 341 - 344
    01/01/2023 Authors: Holmes TW; Yin Z; Stevens GM; Slavic S; Okerlund DR; Maltz JS; Pourmorteza A
  • Photon-counting CT: Scouting for Quantitative Imaging Biomarkers.
    Radiology Volume: 298 Page(s): 153 - 154
    01/01/2021 Authors: Pourmorteza A
  • Next-Generation Hardware Advances in CT: Cardiac Applications.
    Radiology Volume: 298 Page(s): 3 - 17
    01/01/2021 Authors: Kwan AC; Pourmorteza A; Stutman D; Bluemke DA; Lima JAC
  • Spectral photon-counting CT in cardiovascular imaging.
    J Cardiovasc Comput Tomogr Volume: 15 Page(s): 218 - 225
    01/01/2021 Authors: Sandfort V; Persson M; Pourmorteza A; Nol PB; Fleischmann D; Willemink MJ
  • Coronary artery calcium scoring with photon-counting CT: first in vivo human experience.
    Int J Cardiovasc Imaging Volume: 35 Page(s): 733 - 739
    04/01/2019 Authors: Symons R; Sandfort V; Mallek M; Ulzheimer S; Pourmorteza A
  • Photon-counting CT: Technical Principles and Clinical Prospects.
    Radiology Volume: 289 Page(s): 293 - 312
    11/01/2018 Authors: Willemink MJ; Persson M; Pourmorteza A; Pelc NJ; Fleischmann D
  • Germline VHL gene variant in patients with von Hippel-Lindau disease does not predict renal tumor growth.
    Abdom Radiol (NY) Volume: 43 Page(s): 2743 - 2749
    10/01/2018 Authors: Farhadi F; Nikpanah M; Li X; Symons R; Pourmorteza A; Merino MJ; Linehan WM; Malayeri AA
  • Differentiating papillary type I RCC from clear cell RCC and oncocytoma: application of whole-lesion volumetric ADC measurement.
    Abdom Radiol (NY) Volume: 43 Page(s): 2424 - 2430
    09/01/2018 Authors: Paschall AK; Mirmomen SM; Symons R; Pourmorteza A; Gautam R; Sahai A; Dwyer AJ; Merino MJ; Metwalli AR; Linehan WM
  • Precision of regional wall motion estimates from ultra-low-dose cardiac CT using SQUEEZ.
    Int J Cardiovasc Imaging Volume: 34 Page(s): 1277 - 1286
    08/01/2018 Authors: Pourmorteza A; Keller N; Chen R; Lardo A; Halperin H; Chen MY; McVeigh E
  • Dose Efficiency of Quarter-Millimeter Photon-Counting Computed Tomography: First-in-Human Results.
    Invest Radiol Volume: 53 Page(s): 365 - 372
    06/01/2018 Authors: Pourmorteza A; Symons R; Henning A; Ulzheimer S; Bluemke DA
  • SiSSR: Simultaneous subdivision surface registration for the quantification of cardiac function from computed tomography in canines.
    Med Image Anal Volume: 46 Page(s): 215 - 228
    05/01/2018 Authors: Vigneault DM; Pourmorteza A; Thomas ML; Bluemke DA; Noble JA
  • Photon-Counting Computed Tomography for Vascular Imaging of the Head and Neck: First In Vivo Human Results.
    Invest Radiol Volume: 53 Page(s): 135 - 142
    03/01/2018 Authors: Symons R; Reich DS; Bagheri M; Cork TE; Krauss B; Ulzheimer S; Kappler S; Bluemke DA; Pourmorteza A
  • Regional myocardial strain measurements from 4DCT in patients with normal LV function.
    J Cardiovasc Comput Tomogr Volume: 12 Page(s): 372 - 378
    01/01/2018 Authors: McVeigh ER; Pourmorteza A; Guttman M; Sandfort V; Contijoch F; Budhiraja S; Chen Z; Bluemke DA; Chen MY
  • Quarter-millimeter spectral coronary stent imaging with photon-counting CT: Initial experience.
    J Cardiovasc Comput Tomogr Volume: 12 Page(s): 509 - 515
    01/01/2018 Authors: Symons R; De Bruecker Y; Roosen J; Van Camp L; Cork TE; Kappler S; Ulzheimer S; Sandfort V; Bluemke DA; Pourmorteza A
  • Feasibility of Dose-reduced Chest CT with Photon-counting Detectors: Initial Results in Humans.
    Radiology Volume: 285 Page(s): 980 - 989
    12/01/2017 Authors: Symons R; Pourmorteza A; Sandfort V; Ahlman MA; Cropper T; Mallek M; Kappler S; Ulzheimer S; Mahesh M; Jones EC
  • Photon-Counting CT of the Brain: In Vivo Human Results and Image-Quality Assessment.
    AJNR Am J Neuroradiol Volume: 38 Page(s): 2257 - 2263
    12/01/2017 Authors: Pourmorteza A; Symons R; Reich DS; Bagheri M; Cork TE; Kappler S; Ulzheimer S; Bluemke DA
  • Photon-counting CT for simultaneous imaging of multiple contrast agents in the abdomen: An in vivo study.
    Med Phys Volume: 44 Page(s): 5120 - 5127
    10/01/2017 Authors: Symons R; Krauss B; Sahbaee P; Cork TE; Lakshmanan MN; Bluemke DA; Pourmorteza A
  • Erratum: "A multichannel block-matching denoising algorithm for spectral photon-counting CT images" [Med. Phys. 44, 2447-2452 (2017)].
    Med Phys Volume: 44 Page(s): 5540
    10/01/2017 Authors: Harrison AP; Xu Z; Pourmorteza A; Bluemke DA; Mollura DJ
  • Comprehensive use of cardiac computed tomography to guide left ventricular lead placement in cardiac resynchronization therapy.
    Heart Rhythm Volume: 14 Page(s): 1364 - 1372
    09/01/2017 Authors: Behar JM; Rajani R; Pourmorteza A; Preston R; Razeghi O; Niederer S; Adhya S; Claridge S; Jackson T; Sieniewicz B
  • Dual-contrast agent photon-counting computed tomography of the heart: initial experience.
    Int J Cardiovasc Imaging Volume: 33 Page(s): 1253 - 1261
    08/01/2017 Authors: Symons R; Cork TE; Lakshmanan MN; Evers R; Davies-Venn C; Rice KA; Thomas ML; Liu C-Y; Kappler S; Ulzheimer S
  • A multichannel block-matching denoising algorithm for spectral photon-counting CT images.
    Med Phys Volume: 44 Page(s): 2447 - 2452
    06/01/2017 Authors: Harrison AP; Xu Z; Pourmorteza A; Bluemke DA; Mollura DJ
  • DIFFUSION WEIGHTED IMAGING: DIFFERENTIATION OF CLEAR CELL FROM PAPILLARY RENAL CELL CARCINOMA
    Volume: 197 Page(s): E224 - E225
    04/01/2017 Authors: Mimromen SM; Nikpanah M; Gautam R; Metwalli A; Pourmorteza A; Linehan W; Malayeri A
  • Low-dose lung cancer screening with photon-counting CT: a feasibility study.
    Phys Med Biol Volume: 62 Page(s): 202 - 213
    01/07/2017 Authors: Symons R; Cork TE; Sahbaee P; Fuld MK; Kappler S; Folio LR; Bluemke DA; Pourmorteza A
  • Optimized energy of spectral CT for infarct imaging: Experimental validation with human validation.
    J Cardiovasc Comput Tomogr Volume: 11 Page(s): 171 - 178
    01/01/2017 Authors: Sandfort V; Palanisamy S; Symons R; Pourmorteza A; Ahlman MA; Rice K; Thomas T; Davies-Venn C; Krauss B; Kwan A
  • Automatic high-resolution infarct detection using volumetric multiphase dual-energy CT.
    J Cardiovasc Comput Tomogr Volume: 11 Page(s): 288 - 294
    01/01/2017 Authors: Sandfort V; Kwan AC; Elumogo C; Vigneault DM; Symons R; Pourmorteza A; Rice K; Davies-Venn C; Ahlman MA; Liu C-Y
  • Coronary CT Angiography: Variability of CT Scanners and Readers in Measurement of Plaque Volume.
    Radiology Volume: 281 Page(s): 737 - 748
    12/01/2016 Authors: Symons R; Morris JZ; Wu CO; Pourmorteza A; Ahlman MA; Lima JAC; Chen MY; Mallek M; Sandfort V; Bluemke DA
  • A Computational Framework for Personalized Blood Flow Analysis in the Human Left Atrium.
    Ann Biomed Eng Volume: 44 Page(s): 3284 - 3294
    11/01/2016 Authors: Otani T; Al-Issa A; Pourmorteza A; McVeigh ER; Wada S; Ashikaga H
  • BEST IN PHYSICS (IMAGING): Abdominal CT with Three K-Edge Contrast Materials Using a Whole-Body Photon-Counting Scanner: Initial Results of a Large Animal Experiment
    Volume: 43 Page(s): 3834 - 3834
    06/01/2016 Authors: Lakshmanan M; Symons R; Cork T; Davies-Venn C; Rice K; Malayeri A; Sandfort V; Bluemke D; Pourmorteza A
  • Correlation of CT-based regional cardiac function (SQUEEZ) with myocardial strain calculated from tagged MRI: an experimental study.
    Int J Cardiovasc Imaging Volume: 32 Page(s): 817 - 823
    05/01/2016 Authors: Pourmorteza A; Chen MY; van der Pals J; Arai AE; McVeigh ER
  • Abdominal Imaging with Contrast-enhanced Photon-counting CT: First Human Experience.
    Radiology Volume: 279 Page(s): 239 - 245
    04/01/2016 Authors: Pourmorteza A; Symons R; Sandfort V; Mallek M; Fuld MK; Henderson G; Jones EC; Malayeri AA; Folio LR; Bluemke DA
  • CT-BASED VOLUMETRIC CHARACTERIZATION OF RENAL CLEAR CELL CARCINOMA IN VON HIPPEL-LINDAU (VHL) USING NOVEL HISTOGRAM ANALYSIS.
    Volume: 195 Page(s): E204 - E205
    04/01/2016 Authors: Malayeri A; Pourmorteza A; Shah N; Gautam R; Yazdi A; Lovell J; Boyle S; Asokan I; Srinivasan R; Metwalli A
  • Reconstruction of difference in sequential CT studies using penalized likelihood estimation.
    Phys Med Biol Volume: 61 Page(s): 1986 - 2002
    03/07/2016 Authors: Pourmorteza A; Dang H; Siewerdsen JH; Stayman JW
  • Transplantation of human oligodendrocyte progenitor cells improves sensory function after spinal cord injury
    Volume: 19 Page(s): 800 - 800
    09/01/2012 Authors: Pashai N; Gupta S; Bazley F; Pourmorteza A; Kerr C; All A
  • Electrophysiological evaluation of sensory and motor pathways after incomplete unilateral spinal cord contusion.
    J Neurosurg Spine Volume: 16 Page(s): 414 - 423
    04/01/2012 Authors: Bazley FA; Hu C; Maybhate A; Pourmorteza A; Pashai N; Thakor NV; Kerr CL; All AH
  • A new method for cardiac computed tomography regional function assessment: stretch quantifier for endocardial engraved zones (SQUEEZ).
    Circ Cardiovasc Imaging Volume: 5 Page(s): 243 - 250
    03/01/2012 Authors: Pourmorteza A; Schuleri KH; Herzka DA; Lardo AC; McVeigh ER
  • Regional cardiac function assessment in 4D CT: comparison between SQUEEZ and ejection fraction.
    Annu Int Conf IEEE Eng Med Biol Soc Volume: 2012 Page(s): 4966 - 4969
    01/01/2012 Authors: Pourmorteza A; Schuleri KH; Herzka DA; Lardo AC; McVeigh ER
  • DTI for assessing axonal integrity after contusive spinal cord injury and transplantation of oligodendrocyte progenitor cells.
    Annu Int Conf IEEE Eng Med Biol Soc Volume: 2012 Page(s): 82 - 85
    01/01/2012 Authors: Bazley FA; Pourmorteza A; Gupta S; Pashai N; Kerr C; All AH
  • Human embryonic stem cell-derived oligodendrocyte progenitors aid in functional recovery of sensory pathways following contusive spinal cord injury.
    PLoS One Volume: 7 Page(s): e47645
    01/01/2012 Authors: All AH; Bazley FA; Gupta S; Pashai N; Hu C; Pourmorteza A; Kerr C
  • Cardiac motion estimation by joint alignment of tagged MRI sequences.
    Med Image Anal Volume: 16 Page(s): 339 - 350
    01/01/2012 Authors: Oubel E; De Craene M; Hero AO; Pourmorteza A; Huguet M; Avegliano G; Bijnens BH; Frangi AF
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