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profileGeorges El Fakhri, Ph.D.

TitleProfessor of Radiology
InstitutionMassachusetts General Hospital
DepartmentRadiology
AddressMassachusetts General Hospital
Nuclear Medicine Molecular Imaging/Radiology, White 42
55 Fruit St
Boston MA 02114
Phone617/726-9640
Fax617/726-6165
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The research activities and funding listed below are automatically derived from NIH ExPORTER and other sources, which might result in incorrect or missing items. Faculty can login to make corrections and additions.
P41EB022544     (EL FAKHRI, GEORGES)Sep 30, 2017 - Jun 30, 2022
NIH/NIBIB
Center for Molecular Imaging Technology and Translation (CMITT)
Role: Principal Investigator

R01HL137230     (EL FAKHRI, GEORGES)Sep 1, 2017 - Jun 30, 2021
NIH/NHLBI
PET/MR Mapping of Myocardial Membrane Potential
Role: Principal Investigator

R21EB021710     (EL FAKHRI, GEORGES)Jul 1, 2016 - Apr 30, 2018
NIH/NIBIB
PET/MRS guided radiotherapy
Role: Principal Investigator

S10OD018477     (EL FAKHRI, GEORGES)May 1, 2016 - Apr 30, 2017
NIH
Simultaneous Whole Body PET MR scanner.
Role: Principal Investigator

R13EB019862     (EL FAKHRI, GEORGES)Nov 8, 2014 - Nov 7, 2015
NIH/NIBIB
2014 IEEE Nuclear Science Symposium and Medical Imaging Conference
Role: Principal Investigator
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This researcher has shared information about their research resources
in the eagle-i Network. To update or add resource records, contact
eagle-i@hms.harvard.edu.
MGH Gordon PET Core - Core services (4) and Instruments (8)

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Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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  1. Bläckberg L, El Fakhri G, Sabet H. Simulation study of light transport in laser-processed LYSO:Ce detectors with single-side readout. Phys Med Biol. 2017 Oct 19; 62(21):8419-8440. PMID: 29047453.
    View in: PubMed
  2. Kim K, El Fakhri G, Li Q. Low-dose CT reconstruction using spatially encoded nonlocal penalty. Med Phys. 2017 Oct; 44(10):e376-e390. PMID: 29027240.
    View in: PubMed
  3. Blackberg L, El Fakhri G, Sabet H. Simulation study of light transport in laser-processed LYSO:Ce detectors with single-side readout. Phys Med Biol. 2017 Sep 20. PMID: 28930096.
    View in: PubMed
  4. Sîrbulescu RF, Boehm CK, Soon E, Wilks MQ, Ilies I, Yuan H, Maxner B, Chronos N, Kaittanis C, Normandin MD, El Fakhri G, Orgill DP, Sluder AE, Poznansky MC. Mature B cells accelerate wound healing after acute and chronic diabetic skin lesions. Wound Repair Regen. 2017 Sep 18. PMID: 28922523.
    View in: PubMed
  5. Wu D, Kim K, El Fakhri G, Li Q. Iterative Low-dose CT Reconstruction with Priors Trained by Artificial Neural Network. IEEE Trans Med Imaging. 2017 Sep 15. PMID: 28922116.
    View in: PubMed
  6. Han PK, Ma C, Deng K, Hu S, Jee KW, Ying K, Chen YL, El Fakhri G. A minimum-phase Shinnar-Le Roux spectral-spatial excitation RF pulse for simultaneous water and lipid suppression in 1H-MRSI of body extremities. Magn Reson Imaging. 2017 Sep 14; 45:18-25. PMID: 28917812.
    View in: PubMed
  7. Guehl NJ, Normandin MD, Wooten DW, Rozen G, Ruskin JN, Shoup TM, Woo J, Ptaszek LM, Fakhri GE, Alpert NM. Rapid computation of single PET scan rest-stress myocardial blood flow parametric images by table look up. Med Phys. 2017 Sep; 44(9):4643-4651. PMID: 28594441.
    View in: PubMed
  8. Rakvongthai Y, El Fakhri G. Magnetic Resonance-based Motion Correction for Quantitative PET in Simultaneous PET-MR Imaging. PET Clin. 2017 Jul; 12(3):321-327. PMID: 28576170.
    View in: PubMed
  9. Sepulcre J, Grothe MJ, Sabuncu M, Chhatwal J, Schultz AP, Hanseeuw B, El Fakhri G, Sperling R, Johnson KA. Hierarchical Organization of Tau and Amyloid Deposits in the Cerebral Cortex. JAMA Neurol. 2017 Jul 01; 74(7):813-820. PMID: 28558094.
    View in: PubMed
  10. Ortiz-Terán L, Diez I, Ortiz T, Perez DL, Aragón JI, Costumero V, Pascual-Leone A, El Fakhri G, Sepulcre J. Brain circuit-gene expression relationships and neuroplasticity of multisensory cortices in blind children. Proc Natl Acad Sci U S A. 2017 Jun 27; 114(26):6830-6835. PMID: 28607055.
    View in: PubMed
  11. Collier TL, Normandin MD, Stephenson NA, Livni E, Liang SH, Wooten DW, Esfahani SA, Stabin MG, Mahmood U, Chen J, Wang W, Maresca K, Waterhouse RN, El Fakhri G, Richardson P, Vasdev N. Synthesis and preliminary PET imaging of 11C and 18F isotopologues of the ROS1/ALK inhibitor lorlatinib. Nat Commun. 2017 Jun 08; 8:15761. PMID: 28594000.
    View in: PubMed
  12. Li Q, Li H, Kim K, El Fakhri G. Joint estimation of activity image and attenuation sinogram using time-of-flight positron emission tomography data consistency condition filtering. J Med Imaging (Bellingham). 2017 Apr; 4(2):023502. PMID: 28466027.
    View in: PubMed
  13. Petibon Y, Rakvongthai Y, El Fakhri G, Ouyang J. Direct parametric reconstruction in dynamic PET myocardial perfusion imaging: in vivo studies. Phys Med Biol. 2017 May 07; 62(9):3539-3565. PMID: 28379843.
    View in: PubMed
  14. Rakvongthai Y, Fahey F, Borvorntanajanya K, Tepmongkol S, Vutrapongwatana U, Zukotynski K, El Fakhri G, Ouyang J. Joint reconstruction of Ictal/inter-ictal SPECT data for improved epileptic foci localization. Med Phys. 2017 Apr; 44(4):1437-1444. PMID: 28211105.
    View in: PubMed
  15. Guehl NJ, Normandin MD, Wooten DW, Rozen G, Sitek A, Ruskin J, Shoup TM, Ptaszek LM, El Fakhri G, Alpert NM. Single-scan rest/stress imaging: validation in a porcine model with 18F-Flurpiridaz. Eur J Nucl Med Mol Imaging. 2017 Aug; 44(9):1538-1546. PMID: 28365789.
    View in: PubMed
  16. Cho J, Grogg K, Min CH, Zhu X, Paganetti H, Lee HC, El Fakhri G. Feasibility study of using fall-off gradients of early and late PET scans for proton range verification. Med Phys. 2017 May; 44(5):1734-1746. PMID: 28273345.
    View in: PubMed
  17. Sepulcre J, Sabuncu MR, Li Q, El Fakhri G, Sperling R, Johnson KA. Tau and amyloid ß proteins distinctively associate to functional network changes in the aging brain. Alzheimers Dement. 2017 Nov; 13(11):1261-1269. PMID: 28366797.
    View in: PubMed
  18. Yuan H, Wilks MQ, El Fakhri G, Normandin MD, Kaittanis C, Josephson L. Heat-induced-radiolabeling and click chemistry: A powerful combination for generating multifunctional nanomaterials. PLoS One. 2017; 12(2):e0172722. PMID: 28225818.
    View in: PubMed
  19. Neelamegam R, Yokell DL, Rice PA, Furumoto S, Kudo Y, Okamura N, El Fakhri G. A report of the automated radiosynthesis of the tau positron emission tomography radiopharmaceutical, [18 F]-THK-5351. J Labelled Comp Radiopharm. 2017 Feb; 60(2):140-146. PMID: 27859483.
    View in: PubMed
  20. Bao K, Lee JH, Kang H, Park GK, El Fakhri G, Choi HS. PSMA-targeted contrast agents for intraoperative imaging of prostate cancer. Chem Commun (Camb). 2017 Feb 04; 53(10):1611-1614. PMID: 28085163.
    View in: PubMed
  21. Petibon Y, Guehl NJ, Reese TG, Ebrahimi B, Normandin MD, Shoup TM, Alpert NM, El Fakhri G, Ouyang J. Impact of motion and partial volume effects correction on PET myocardial perfusion imaging using simultaneous PET-MR. Phys Med Biol. 2017 Jan 21; 62(2):326-343. PMID: 27997375.
    View in: PubMed
  22. Choi NC, Gainor J, Ackman J, Lim R, Sharp GC, El Fakhri G, Niemierko A. ORAL02.03: Robust Correlation Between Metabolic Response Measured with 18F-FDG PET Soon After Therapy and Clinical Outcome in Lung Cancer: Topic: Radiation Oncology. J Thorac Oncol. 2016 Nov; 11(11S):S253-S254. PMID: 27969446.
    View in: PubMed
  23. Sitek A, Li Q, El Fakhri G, Alpert NM. Validation of Bayesian analysis of compartmental kinetic models in medical imaging. Phys Med. 2016 Oct; 32(10):1252-1258. PMID: 27692754.
    View in: PubMed
  24. Wooten DW, Guehl NJ, Verwer EE, Shoup TM, Yokell DL, Zubcevik N, Vasdev N, Zafonte RD, Johnson KA, El Fakhri G, Normandin MD. Pharmacokinetic Evaluation of the Tau PET Radiotracer 18F-T807 (18F-AV-1451) in Human Subjects. J Nucl Med. 2017 Mar; 58(3):484-491. PMID: 27660144.
    View in: PubMed
  25. Koo H, Lee JH, Bao K, Wu Y, El Fakhri G, Henary M, Yun SH, Choi HS. Site-Specific In Vivo Bioorthogonal Ligation via Chemical Modulation. Adv Healthc Mater. 2016 Oct; 5(19):2510-2516. PMID: 27568818.
    View in: PubMed
  26. Owens EA, Henary M, El Fakhri G, Choi HS. Tissue-Specific Near-Infrared Fluorescence Imaging. Acc Chem Res. 2016 Sep 20; 49(9):1731-40. PMID: 27564418.
    View in: PubMed
  27. Ashitate Y, Levitz A, Park MH, Hyun H, Venugopal V, Park G, El Fakhri G, Henary M, Gioux S, Frangioni JV, Choi HS. Endocrine-specific NIR fluorophores for adrenal gland targeting. Chem Commun (Camb). 2016 Aug 11; 52(67):10305-8. PMID: 27476533; PMCID: PMC4982771 [Available on 08/11/17].
  28. Kang H, Gravier J, Bao K, Wada H, Lee JH, Baek Y, El Fakhri G, Gioux S, Rubin BP, Coll JL, Choi HS. Renal Clearable Organic Nanocarriers for Bioimaging and Drug Delivery. Adv Mater. 2016 Oct; 28(37):8162-8168. PMID: 27414255.
    View in: PubMed
  29. Liang SH, Chen JM, Normandin MD, Chang JS, Chang GC, Taylor CK, Trapa P, Plummer MS, Para KS, Conn EL, Lopresti-Morrow L, Lanyon LF, Cook JM, Richter KE, Nolan CE, Schachter JB, Janat F, Che Y, Shanmugasundaram V, Lefker BA, Enerson BE, Livni E, Wang L, Guehl NJ, Patnaik D, Wagner FF, Perlis R, Holson EB, Haggarty SJ, El Fakhri G, Kurumbail RG, Vasdev N. Discovery of a Highly Selective Glycogen Synthase Kinase-3 Inhibitor (PF-04802367) That Modulates Tau Phosphorylation in the Brain: Translation for PET Neuroimaging. Angew Chem Int Ed Engl. 2016 Aug 08; 55(33):9601-5. PMID: 27355874; PMCID: PMC4983481 [Available on 01/08/17].
  30. Bian J, Sharp GC, Park YK, Ouyang J, Bortfeld T, El Fakhri G. Investigation of cone-beam CT image quality trade-off for image-guided radiation therapy. Phys Med Biol. 2016 May 07; 61(9):3317-46. PMID: 27032676.
    View in: PubMed
  31. Zhu W, Ouyang J, Rakvongthai Y, Guehl NJ, Wooten DW, El Fakhri G, Normandin MD, Fan Y. A Bayesian spatial temporal mixtures approach to kinetic parametric images in dynamic positron emission tomography. Med Phys. 2016 Mar; 43(3):1222-34. PMID: 26936707; PMCID: PMC5025019 [Available on 03/01/17].
  32. Wang M, Guo N, Hu G, El Fakhri G, Zhang H, Li Q. A novel approach to assess the treatment response using Gaussian random field in PET. Med Phys. 2016 Feb; 43(2):833-42. PMID: 26843244; PMCID: PMC4714995 [Available on 02/01/17].
  33. Grogg KS, Toole T, Ouyang J, Zhu X, Normandin MD, Li Q, Johnson K, Alpert NM, El Fakhri G. National Electrical Manufacturers Association and Clinical Evaluation of a Novel Brain PET/CT Scanner. J Nucl Med. 2016 Apr; 57(4):646-52. PMID: 26697961; PMCID: PMC4818715.
  34. Zhang X, Chen YL, Lim R, Huang C, Chebib IA, El Fakhri G. Synergistic role of simultaneous PET/MRI-MRS in soft tissue sarcoma metabolism imaging. Magn Reson Imaging. 2016 Apr; 34(3):276-9. PMID: 26523656; PMCID: PMC4761342 [Available on 04/01/17].
  35. Huang C, Ouyang J, Reese TG, Wu Y, El Fakhri G, Ackerman JL. Continuous MR bone density measurement using water- and fat-suppressed projection imaging (WASPI) for PET attenuation correction in PET-MR. Phys Med Biol. 2015 Oct 21; 60(20):N369-81. PMID: 26405761; PMCID: PMC4607313 [Available on 10/21/16].
  36. Normandin MD, Yuan H, Wilks MQ, Chen HH, Kinsella JM, Cho H, Guehl NJ, Absi-Halabi N, Hosseini SM, El Fakhri G, Sosnovik DE, Josephson L. Heat-Induced Radiolabeling of Nanoparticles for Monocyte Tracking by PET. Angew Chem Int Ed Engl. 2015 Oct 26; 54(44):13002-6. PMID: 26368132; PMCID: PMC4754124 [Available on 10/26/16].
  37. Dutta J, Huang C, Li Q, El Fakhri G. Pulmonary imaging using respiratory motion compensated simultaneous PET/MR. Med Phys. 2015 Jul; 42(7):4227-40. PMID: 26133621; PMCID: PMC4474958.
  38. Paganetti H, El Fakhri G. Monitoring proton therapy with PET. Br J Radiol. 2015 Jul; 88(1051):20150173. PMID: 25989699; PMCID: PMC4628541.
  39. Wilks MQ, Normandin MD, Yuan H, Cho H, Guo Y, Herisson F, Ayata C, Wooten DW, El Fakhri G, Josephson L. Imaging PEG-like nanoprobes in tumor, transient ischemia, and inflammatory disease models. Bioconjug Chem. 2015 Jun 17; 26(6):1061-9. PMID: 25971846.
    View in: PubMed
  40. Grogg K, Alpert NM, Zhu X, Min CH, Testa M, Winey B, Normandin MD, Shih HA, Paganetti H, Bortfeld T, El Fakhri G. Mapping (15)O production rate for proton therapy verification. Int J Radiat Oncol Biol Phys. 2015 Jun 01; 92(2):453-9. PMID: 25817530; PMCID: PMC4431894.
  41. Huang C, Petibon Y, Ouyang J, Reese TG, Ahlman MA, Bluemke DA, El Fakhri G. Accelerated acquisition of tagged MRI for cardiac motion correction in simultaneous PET-MR: phantom and patient studies. Med Phys. 2015 Feb; 42(2):1087-97. PMID: 25652521; PMCID: PMC4312342 [Available on 02/01/16].
  42. Kim K, Ye JC, Worstell W, Ouyang J, Rakvongthai Y, El Fakhri G, Li Q. Sparse-view spectral CT reconstruction using spectral patch-based low-rank penalty. IEEE Trans Med Imaging. 2015 Mar; 34(3):748-60. PMID: 25532170.
    View in: PubMed
  43. Ouyang J, Petibon Y, Huang C, Reese TG, Kolnick AL, El Fakhri G. Quantitative simultaneous positron emission tomography and magnetic resonance imaging. J Med Imaging (Bellingham). 2014 Oct; 1(3):033502. PMID: 26158055; PMCID: PMC4306197.
  44. Lorsakul A, Li Q, Trott CM, Hoog C, Petibon Y, Ouyang J, Laine AF, El Fakhri G. 4D numerical observer for lesion detection in respiratory-gated PET. Med Phys. 2014 Oct; 41(10):102504. PMID: 25281979; PMCID: PMC4281099.
  45. Min CH, Zhu X, Grogg K, El Fakhri G, Winey B, Paganetti H. A Recommendation on How to Analyze In-Room PET for In Vivo Proton Range Verification Using a Distal PET Surface Method. Technol Cancer Res Treat. 2015 Jun; 14(3):320-5. PMID: 25246517; PMCID: PMC4898041.
  46. Rakvongthai Y, Worstell W, El Fakhri G, Bian J, Lorsakul A, Ouyang J. Spectral CT using multiple balanced K-edge filters. IEEE Trans Med Imaging. 2015 Mar; 34(3):740-7. PMID: 25252276; PMCID: PMC4349342.
  47. Schaefferkoetter J, Ouyang J, Rakvongthai Y, Nappi C, El Fakhri G. Effect of time-of-flight and point spread function modeling on detectability of myocardial defects in PET. Med Phys. 2014 Jun; 41(6):062502. PMID: 24877836; PMCID: PMC4032408.
  48. Huang C, Altbach MI, El Fakhri G. Pattern recognition for rapid T2 mapping with stimulated echo compensation. Magn Reson Imaging. 2014 Sep; 32(7):969-74. PMID: 24853466; PMCID: PMC4099291.
  49. Petibon Y, Huang C, Ouyang J, Reese TG, Li Q, Syrkina A, Chen YL, El Fakhri G. Relative role of motion and PSF compensation in whole-body oncologic PET-MR imaging. Med Phys. 2014 Apr; 41(4):042503. PMID: 24694156; PMCID: PMC3971824.
  50. Huang C, Ackerman JL, Petibon Y, Brady TJ, El Fakhri G, Ouyang J. MR-based motion correction for PET imaging using wired active MR microcoils in simultaneous PET-MR: phantom study. Med Phys. 2014 Apr; 41(4):041910. PMID: 24694141; PMCID: PMC3978416.
  51. Petibon Y, El Fakhri G, Nezafat R, Johnson N, Brady T, Ouyang J. Towards coronary plaque imaging using simultaneous PET-MR: a simulation study. Phys Med Biol. 2014 Mar 07; 59(5):1203-22. PMID: 24556608; PMCID: PMC4061607.
  52. Mananga ES, El Fakhri G, Schaefferkoetter J, Bonab AA, Ouyang J. Myocardial defect detection using PET-CT: phantom studies. PLoS One. 2014; 9(2):e88200. PMID: 24505429; PMCID: PMC3914931.
  53. Huang C, Ackerman JL, Petibon Y, Normandin MD, Brady TJ, El Fakhri G, Ouyang J. Motion compensation for brain PET imaging using wireless MR active markers in simultaneous PET-MR: phantom and non-human primate studies. Neuroimage. 2014 May 01; 91:129-37. PMID: 24418501; PMCID: PMC3965607.
  54. Liang SH, Yokell DL, Normandin MD, Rice PA, Jackson RN, Shoup TM, Brady TJ, El Fakhri G, Collier TL, Vasdev N. First human use of a radiopharmaceutical prepared by continuous-flow microfluidic radiofluorination: proof of concept with the tau imaging agent [18F]T807. Mol Imaging. 2014; 13. PMID: 25248283.
    View in: PubMed
  55. Hu C, El Fakhri G, Li Q. Evaluating structural symmetry of weighted brain networks via graph matching. Med Image Comput Comput Assist Interv. 2014; 17(Pt 2):733-40. PMID: 25485445.
    View in: PubMed
  56. El Fakhri G, Trott CM, Sitek A, Bonab A, Alpert NM. Dual-tracer PET using generalized factor analysis of dynamic sequences. Mol Imaging Biol. 2013 Dec; 15(6):666-74. PMID: 23636489; PMCID: PMC3812387.
  57. Rakvongthai Y, El Fakhri G, Lim R, Bonab AA, Ouyang J. Simultaneous 99mTc-MDP/123I-MIBG tumor imaging using SPECT-CT: phantom and constructed patient studies. Med Phys. 2013 Oct; 40(10):102506. PMID: 24089927; PMCID: PMC3785531.
  58. Rakvongthai Y, Ouyang J, Guerin B, Li Q, Alpert NM, El Fakhri G. Direct reconstruction of cardiac PET kinetic parametric images using a preconditioned conjugate gradient approach. Med Phys. 2013 Oct; 40(10):102501. PMID: 24089922; PMCID: PMC3779266.
  59. Grogg K, Zhu X, Min CH, Winey B, Bortfeld T, Paganetti H, Shih HA, El Fakhri G. Feasibility of Using Distal Endpoints for In-room PET Range Verification of Proton Therapy. IEEE Trans Nucl Sci. 2013 Oct; 60(5):3290-3297. PMID: 24464031.
    View in: PubMed
  60. Zhu X, El Fakhri G. Proton therapy verification with PET imaging. Theranostics. 2013 Sep 19; 3(10):731-40. PMID: 24312147; PMCID: PMC3840408.
  61. Nappi C, El Fakhri G. State of the Art in Cardiac Hybrid Technology: PET/MR. Curr Cardiovasc Imaging Rep. 2013 Aug 01; 6(4):338-345. PMID: 24073295.
    View in: PubMed
  62. Cho J, Ibbott G, Gillin M, Gonzalez-Lepera C, Min CH, Zhu X, El Fakhri G, Paganetti H, Mawlawi O. Determination of elemental tissue composition following proton treatment using positron emission tomography. Phys Med Biol. 2013 Jun 07; 58(11):3815-35. PMID: 23681070; PMCID: PMC3763743.
  63. Gilmore CD, Comeau CR, Alessi AM, Blaine M, El Fakhri GN, Hunt JK, Jordan DW, King BJ, Sicignano AJ, Stanley CT, Timpe JT, Wenzel-Lamb N. PET/MR imaging consensus paper: a joint paper by the Society of Nuclear Medicine and Molecular Imaging Technologist Section and the Section for Magnetic Resonance Technologists. J Nucl Med Technol. 2013 Jun; 41(2):108-13. PMID: 23633561.
    View in: PubMed
  64. Petibon Y, Ouyang J, Zhu X, Huang C, Reese TG, Chun SY, Li Q, El Fakhri G. Cardiac motion compensation and resolution modeling in simultaneous PET-MR: a cardiac lesion detection study. Phys Med Biol. 2013 Apr 07; 58(7):2085-102. PMID: 23470288; PMCID: PMC3657754.
  65. Schaefferkoetter J, Casey M, Townsend D, El Fakhri G. Clinical impact of time-of-flight and point response modeling in PET reconstructions: a lesion detection study. Phys Med Biol. 2013 Mar 07; 58(5):1465-78. PMID: 23403399; PMCID: PMC3616316.
  66. Min CH, Zhu X, Winey BA, Grogg K, Testa M, El Fakhri G, Bortfeld TR, Paganetti H, Shih HA. Clinical application of in-room positron emission tomography for in vivo treatment monitoring in proton radiation therapy. Int J Radiat Oncol Biol Phys. 2013 May 01; 86(1):183-9. PMID: 23391817; PMCID: PMC3640852.
  67. Hu C, Cheng L, Sepulcre J, El Fakhri G, Lu YM, Lu YM. Matched signal detection on graphs: theory and application to brain network classification. Inf Process Med Imaging. 2013; 23:1-12. PMID: 24683953.
    View in: PubMed
  68. Ouyang J, Li Q, El Fakhri G. Magnetic resonance-based motion correction for positron emission tomography imaging. Semin Nucl Med. 2013 Jan; 43(1):60-7. PMID: 23178089; PMCID: PMC3508789.
  69. Alpert N, Dean Fang YH, El Fakhri G. Single-scan rest/stress imaging (18)F-labeled flow tracers. Med Phys. 2012 Nov; 39(11):6609-20. PMID: 23127055; PMCID: PMC3482258.
  70. Chun SY, Reese TG, Ouyang J, Guerin B, Catana C, Zhu X, Alpert NM, El Fakhri G. MRI-based nonrigid motion correction in simultaneous PET/MRI. J Nucl Med. 2012 Aug; 53(8):1284-91. PMID: 22743250; PMCID: PMC4077320.
  71. Fang YH, El Fakhri G, Becker JA, Alpert NM. Parametric imaging with Bayesian priors: a validation study with (11)C-Altropane PET. Neuroimage. 2012 May 15; 61(1):131-8. PMID: 22425668.
    View in: PubMed
  72. Zhu X, España S, Daartz J, Liebsch N, Ouyang J, Paganetti H, Bortfeld TR, El Fakhri G. Monitoring proton radiation therapy with in-room PET imaging. Phys Med Biol. 2011 Jul 07; 56(13):4041-57. PMID: 21677366; PMCID: PMC3141290.
  73. Guérin B, Cho S, Chun SY, Zhu X, Alpert NM, Reese T, Catana C., El Fakhri G,. Med Phys. Nonrigid PET motion compensation in the lower abdomen using simultaneous tagged-MRI and PET imaging. 2011; 38(6):3025-38.
  74. Surti S, Scheuermann J, El Fakhri G, Daube-Witherspoon ME, Lim R, Abi-Hatem N, Moussallem E, Benard F, Mankoff D, Karp JS. Impact of time-of-flight PET on whole-body oncologic studies: a human observer lesion detection and localization study. J Nucl Med. 2011 May; 52(5):712-9. PMID: 21498523; PMCID: PMC3104282.
  75. España S, Zhu X, Daartz J, El Fakhri G, Bortfeld T, Paganetti H. The reliability of proton-nuclear interaction cross-section data to predict proton-induced PET images in proton therapy. Phys Med Biol. 2011 May 07; 56(9):2687-98. PMID: 21464534; PMCID: PMC3124369.
  76. El Fakhri G, Surti S, Trott CM, Scheuermann J, Karp JS. Improvement in lesion detection with whole-body oncologic time-of-flight PET. J Nucl Med. 2011 Mar; 52(3):347-53. PMID: 21321265; PMCID: PMC3088884.
  77. El Fakhri G, Ouyang J. Dual-radionuclide brain SPECT for the differential diagnosis of parkinsonism. Methods Mol Biol. 2011; 680:237-46. PMID: 21153385.
    View in: PubMed
  78. Catana C, Benner T, van der Kouwe A, Byars L, Hamm M, Chonde DB, Michel CJ, El Fakhri G, Schmand M, Sorensen AG. MRI-assisted PET motion correction for neurologic studies in an integrated MR-PET scanner. J Nucl Med. 2011 Jan; 52(1):154-61. PMID: 21189415; PMCID: PMC3125596.
  79. Guérin B, El Fakhri G. Novel scatter compensation of list-mode PET data using spatial and energy dependent corrections. IEEE Trans Med Imaging. 2011 Mar; 30(3):759-73. PMID: 21118770; PMCID: PMC3120772.
  80. Trott CM, Ouyang J, El Fakhri G. Comparison of simultaneous and sequential SPECT imaging for discrimination tasks in assessment of cardiac defects. Phys Med Biol. 2010 Nov 21; 55(22):6897-910. PMID: 21048290; PMCID: PMC3117301.
  81. Zhu X, Reese TG, Crowley EM, El Fakhri G. Improved MAGIC gel for higher sensitivity and elemental tissue equivalent 3D dosimetry. Med Phys. 2010 Jan; 37(1):183-8. PMID: 20175480; PMCID: PMC2801736.
  82. Zhu X, El Fakhri G. Monte Carlo modeling of cascade gamma rays in (86)Y PET imaging: preliminary results. Phys Med Biol. 2009 Jul 07; 54(13):4181-93. PMID: 19521011; PMCID: PMC3111055.
  83. El Fakhri G, Kardan A, Sitek A, Dorbala S, Abi-Hatem N, Lahoud Y, Fischman A, Coughlan M, Yasuda T, Di Carli MF. Reproducibility and accuracy of quantitative myocardial blood flow assessment with (82)Rb PET: comparison with (13)N-ammonia PET. J Nucl Med. 2009 Jul; 50(7):1062-71. PMID: 19525467; PMCID: PMC3133618.
  84. Curillova Z, Yaman BF, Dorbala S, Kwong RY, Sitek A, El Fakhri G, Anagnostopoulos C, Di Carli MF. Quantitative relationship between coronary calcium content and coronary flow reserve as assessed by integrated PET/CT imaging. Eur J Nucl Med Mol Imaging. 2009 Oct; 36(10):1603-10. PMID: 19387640; PMCID: PMC3117296.
  85. Ouyang J, Zhu X, Trott CM, El Fakhri G. Quantitative simultaneous 99mTc/123I cardiac SPECT using MC-JOSEM. Med Phys. 2009 Feb; 36(2):602-11. PMID: 19292000; PMCID: PMC2673670.
  86. Zaidi H, El Fakhri G. Is absolute quantification of dopaminergic neurotransmission studies with 123I SPECT ready for clinical use? Eur J Nucl Med Mol Imaging. 2008 Jul; 35(7):1330-3. PMID: 18523768; PMCID: PMC3124701.
  87. Trott CM, El Fakhri G. Sequential and simultaneous dual-isotope brain SPECT: comparison with PET for estimation and discrimination tasks in early Parkinson disease. Med Phys. 2008 Jul; 35(7):3343-53. PMID: 18697558; PMCID: PMC2673561.
  88. Trott CM, El Fakhri G. Sequential and simultaneous dual-isotope brain SPECT: Comparison with PET for estimation and discrimination tasks in early Parkinson disease. Med Phys. 2008 Jul; 35(7Part1):3343-3353. PMID: 28513019.
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  89. Ouyang J, El Fakhri G, Moore SC. Improved activity estimation with MC-JOSEM versus TEW-JOSEM in 111In SPECT. Med Phys. 2008 May; 35(5):2029-40. PMID: 18561679; PMCID: PMC2673642.
  90. Anagnostopoulos C, Almonacid A, El Fakhri G, Curillova Z, Sitek A, Roughton M, Dorbala S, Popma JJ, Di Carli MF. Quantitative relationship between coronary vasodilator reserve assessed by 82Rb PET imaging and coronary artery stenosis severity. Eur J Nucl Med Mol Imaging. 2008 Sep; 35(9):1593-601. PMID: 18425513; PMCID: PMC3124702.
  91. Mamede M, El Fakhri G, Abreu-e-Lima P, Gandler W, Nosé V, Gerbaudo VH. Pre-operative estimation of esophageal tumor metabolic length in FDG-PET images with surgical pathology confirmation. Ann Nucl Med. 2007 Dec; 21(10):553-62. PMID: 18092131.
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  92. El Fakhri G, Santos PA, Badawi RD, Holdsworth CH, Van Den Abbeele AD, Kijewski MF. Impact of acquisition geometry, image processing, and patient size on lesion detection in whole-body 18F-FDG PET. J Nucl Med. 2007 Dec; 48(12):1951-60. PMID: 18006613.
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  93. Kas A, Payoux P, Habert MO, Malek Z, Cointepas Y, El Fakhri G, Chaumet-Riffaud P, Itti E, Remy P. Validation of a standardized normalization template for statistical parametric mapping analysis of 123I-FP-CIT images. J Nucl Med. 2007 Sep; 48(9):1459-67. PMID: 17704252.
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  94. Ouyang J, El Fakhri G, Moore SC. Fast Monte Carlo based joint iterative reconstruction for simultaneous 99mTc/ 123I SPECT imaging. Med Phys. 2007 Aug; 34(8):3263-72. PMID: 17879789.
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  95. Ouyang J, El Fakhri G, Moore SC. Fast Monte Carlo based joint iterative reconstruction for simultaneous Tc99m/I123 SPECT imaging. Med Phys. 2007 Aug; 34(8):3263-3272. PMID: 28523655.
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  96. Di Carli MF, Dorbala S, Meserve J, El Fakhri G, Sitek A, Moore SC. Clinical myocardial perfusion PET/CT. J Nucl Med. 2007 May; 48(5):783-93. PMID: 17475968.
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  97. Habert MO, Lacomblez L, Maksud P, El Fakhri G, Pradat JF, Meininger V. Brain perfusion imaging in amyotrophic lateral sclerosis: extent of cortical changes according to the severity and topography of motor impairment. Amyotroph Lateral Scler. 2007 Feb; 8(1):9-15. PMID: 17364429.
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  98. El Fakhri G, Sitek A, Zimmerman RE, Ouyang J. Generalized five-dimensional dynamic and spectral factor analysis. Med Phys. 2006 Apr; 33(4):1016-24. PMID: 16696478.
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  99. Kijewski MF, Mueller SP, El Fakhri G. Estimation of time-varying dual-tracer striatal activity from simultaneously acquired SPECT data. J. Nucl. Med. 2006; 47.
  100. El Fakhri G, Ouyang J, Zimmerman RE, Fischman AJ, Kijewski MF. Performance of a novel collimator for high-sensitivity brain SPECT. Med Phys. 2006 Jan; 33(1):209-15. PMID: 16485427.
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  101. Holdsworth CH, Badawi RD, Santos P, Van den Abbeele AD, Hoffman EJ, and El Fakhri G. Evaluation of Three Monte Carlo and Model Based Scatter Correction Implementations in Clinical 3D PET. IEEE Trans Nucl Sci. 2006; in press.
  102. El Fakhri G., Guérin B., Sitek A., Di Carli M.F. Reproducibility of myocardial blood flow quantitation using Rb-82 and generalized factor and compartment analyses. J. Nucl. Med. 2006; 47.
  103. El Fakhri G., Surti S., Zimmerman R.E., de Vried D.J., Badawi R.D., Moore S.C. NEC and lesion detection in whole body PET. J. Nucl. Med. 2006; 47.
  104. El Fakhri G., Mahmood A., Ouyang J., Moore S.C., Limpa-Amara N., Zimmerman R.E. Simultaneous dual isotope micro-SPECT in the small animal. J. Nucl. Med. 2006; 47.
  105. Moore S.C. and El Fakhri G. Principles of Quantitation in Cardiac PET. Cardiac PET and PET/CT. 2006; in press.
  106. El Fakhri G. and Sitek A. Generalized 5D Spectral and Dynamic Factor Analysis. 2006.
  107. Ouyang J, El Fakhri G, Xia W, Kijewski MF, Genna S. The Design and Manufacture of an Annular Variable-focusing Collimator for High-sensitivity Brain SPECT. IEEE Trans Nucl Sci. 2006; in press.
  108. Moore SC, Ouyang J, Park M, El Fakhri G. Monte Carlo-based compensation for patient scatter, detector scatter, and crosstalk contamination in In-111 SPECT imaging. Nucl. Instrum. Meth. A. 2006; in press.
  109. Moore SC, Foley Kijewski M, El Fakhri G. Collimator optimization for detection and quantitation tasks: application to gallium-67 imaging. IEEE Trans Med Imaging. 2005 Oct; 24(10):1347-56. PMID: 16229420.
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  110. El Fakhri G, Habert MO, Maksud P, Kas A, Malek Z, Kijewski MF, Lacomblez L. Quantitative simultaneous (99m)Tc-ECD/123I-FP-CIT SPECT in Parkinson's disease and multiple system atrophy. Eur J Nucl Med Mol Imaging. 2006 Jan; 33(1):87-92. PMID: 16180033.
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  111. El Fakhri G, Sitek A, Guérin B, Kijewski MF, Di Carli MF, Moore SC. Quantitative dynamic cardiac 82Rb PET using generalized factor and compartment analyses. J Nucl Med. 2005 Aug; 46(8):1264-71. PMID: 16085581.
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  112. El Fakhri G. and Sitek A. Fast, Unique, and Robust Factor Analysis. 2005.
  113. Moore SC, Park MA, Kijewski MF, El Fakhri G, Mueller SP. Improved estimation of PET SUV using CT-based model fitting within small image volumes. J. Nucl. Med. 2005; 46:107.
  114. Ouyang J, Moore SC, Park M, El Fakhri G. Monte Carlo estimation of patient and detector scatter and crosstalk contamination in SPECT imaging. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2005; CD-ROM.
  115. Kijewski MF, El Fakhri G, Mueller SP, Moore SC. Maximum-likelihood estimation of dual-tracer striatal activity concentration from simultaneously acquired SPECT data. J. Nucl. Med. 2005; 46:105.
  116. Guérin B, El Fakhri G. Monte Carlo simulation of randoms and pixellated block detectors : Validation using the NEMA NU-2 test procedures. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2005; CD-ROM.
  117. Habert MO, Kas A, Maksud P, Malek Z, El Fakhri G, Lacomblez . Role of coupled brain perfusion and dopamine transporter imaging in the diagnosis of cortico-basal degeneration: a double isotope study. Eur J Nucl Med Mol Imag. 2005; 32:208.
  118. El Fakhri G, Sitek A, Ouyang J, Zimmerman RE. Generalized 5D dynamic and spectral factor analysis. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2005; CD-ROM.
  119. El Fakhri G, Kijewski MF, Albert MS, Johnson KA, Moore SC. Quantitative SPECT leads to improved performance in discrimination tasks related to prodromal Alzheimer's disease. J Nucl Med. 2004 Dec; 45(12):2026-31. PMID: 15585477.
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  120. El Fakhri G, Sitek A, Di Carli MF, Kijewski MF, Moore SC. Quantitative Dynamic Cardiac 82Rb-PET Imaging. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2004; CD-ROM.
  121. Sitek A, El Fakhri G. A Novel Solution to the Uniqueness problem in Factor Analysis of Dynamic Sequences. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2004; CD-ROM.
  122. El Fakhri G, Habert MO, Shlossberg E, Albert MS, and Kijewski MF. Identification of SPECT abnormalities in prodromal Alzheimer disease using a voxel based approach. J. Nucl. Med. 2004; 45:11.
  123. El Fakhri G., Sitek A., Di Carli M.F., Moore S.C. Quantitative Dynamic Cardiac Rb-82 imaging using Penalized Least Squares Factor Analysis of Dynamic Sequences. Eur. J. Nucl. Med. Mol. Imag. 2004; 31:289.
  124. Kinahan, P.E., Surti S., Badawi R.D., El Fakhri G., Karp J.S., Lewellen T.K. Effect of patient thickness on noise equivalent count rates for 2D and fully 3D whole body PET imaging. J. Nucl. Med. 2004; 45:102.
  125. El Fakhri G., Habert M.O., Lacomblez L., Kijewski M.F., Maksud P. Quantitative simultaneous Tc-99m ECD/I-123 FP-CIT SPECT in Parkinson disease and multiple system atrophy. J. Nucl. Med. 2004; 45:71.
  126. Moore S.C., Park M., El Fakhri G., Gerbaudo V., Zimmerman R.E. A general-spectral method for improved quantitative SPECT imaging of In-111. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2004; CD-ROM.
  127. El Fakhri G, Kijewski MF, Johnson KA, Syrkin G, Killiany RJ, Becker JA, Zimmerman RE, Albert MS. MRI-guided SPECT perfusion measures and volumetric MRI in prodromal Alzheimer disease. Arch Neurol. 2003 Aug; 60(8):1066-72. PMID: 12925361.
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  128. El Fakhri G, Zimmerman RE, Moore SC, Maksud P, Fischman AJ. Quantitative 99mTc/123I in pre-/post-synaptic and cardiac SPECT. Eur J Nucl Med Mol Imag. 2003; 30:321.
  129. El Fakhri G, Moore SC, Maksud P, and Kijewski MF. The effects of compensation for scatter, lead x-rays and high-energy contamination on lesion detectability and activity estimation in Ga-67 imaging. IEEE Trans Nucl Sci. 2003; 50:439-445.
  130. El Fakhri G, Albert MS, Johnson KA, Syrkin G, Moore SC, Zimmerman RE, Killiany RJ, Kijewski MF. Impact of brain attenuation map and reconstruction algorithm on discrimination performance in prodromal Alzheimer’s disease. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2003; CD-ROM.
  131. Surti S, Badawi RD, Holdsworth H, El Fakhri G, Kinahan P, Karp JS. A multi-scanner evaluation of PET image quality using phantom studies. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2003; CD-ROM.
  132. Holdsworth H, Badawi RD, Santos PA, Van den Abbeele AD, El Fakhri G. Evaluation of a Monte Carlo scatter correction in clinical 3D PET. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2003; CD-ROM.
  133. El Fakhri G, Holdsworth H, Badawi RD, Santos PA, Kijewski MF, Van den Abbeele AD, Moore SC. Dependence of Whole-Body-FDG-PET lesion detection and activity estimation performance on patient size, randoms variance reduction and acquisition geometry. J. Nucl. Med. 2003; 44:197.
  134. Moore SC and El Fakhri G. Performance of a joint, multiple-energy iterative SPECT reconstruction algorithm in tumor activity estimation. J. Nucl. Med. 2003; 44:210.
  135. Kijewski MF, El Fakhri G, Moore SC. Performance of simultaneous and sequential Tc-99m/I-123 SPECT imaging in estimation of striatal activity. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2003; CD-ROM.
  136. Moore SC, El Fakhri G, Park MA, Kijewski MF. Quantitative Ga-67 SPECT imaging. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2003; CD-ROM.
  137. El Fakhri G, Holdsworth H, Santos PA, Badawi RD, Van den Abbeele AD and Kijewski MF. Impact of patient size, acquisition mode, reconstruction algorithm, and randoms and attenuation corrections on lesion detection and activity estimation in whole-body FDG-PET. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2003; CD-ROM.
  138. Badawi RD, Surti S, Kemp B, El Fakhri G, Worstell WA, Zimmerman RE. The effects of pulse pile-up on point source measurements performed on different PET scanning devices. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2003; CD-ROM.
  139. El Fakhri G, Moore SC, Kijewski MF. Optimization of Ga-67 imaging for detection and estimation tasks: dependence of imaging performance on spectral acquisition parameters. Med Phys. 2002 Aug; 29(8):1859-66. PMID: 12201433.
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  140. Habert M.O., Lacomblez L., Maksud P., Pradat P.F., El Fakhri G., Aurengo A., Meininger V. Brain perfusion imaging in amyotrophic lateral sclerosis: relationships with severity of motor impairment. J. Nucl. Med. 2002; 43:244.
  141. El Fakhri G., Maksud P., Kijewski M.F., Zimmerman RE, Moore SC. Quantitative simultaneous Tc-99m/I-123 SPECT: design study and validation with Monte Carlo simulations and physical acquisitions. IEEE Trans Nucl Sci. 2002; 49:2315-2321.
  142. Moore SC, Santos P.A., Holdsworth C.H., El Fakhri G. Acceleration of SPECT Monte Carlo simulation using delta scattering. J. Nucl. Med. 2002; 43:53.
  143. G. El Fakhri, M. F. Kijewski, G. Syrkin, K.A. Johnson, M. S. Albert and S. C. Moore. Comparison of reconstruction and correction algorithms based on performance in diagnosis of preclinical Alzheimer’s disease. J. Nucl. Med. 2002; 43:215.
  144. El Fakhri G., Holdsworth H, Badawi RD, Santos PA, Moore SC, Van den Abbeele AD and Kijewski MF. Impact of acquisition geometry and patient habitus on tumor detectability in whole-body FDG-PET: a channelized Hotelling observer study. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2002; CD-ROM.
  145. Moore SC, El Fakhri G., and Kijewski MF. Optimal Parallel-Hole Collimation for Lesion Detection and Activity Estimation in Ga-67 Imaging. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2002; CD-ROM.
  146. Kijewski MF, El Fakhri G., Fischman AJ, Mueller SP, and Moore SC. The effects of resolution recovery on estimation of binding potential from brain SPECT images. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2002; CD-ROM.
  147. El Fakhri G., Moore SC, Maksud P., and Kijewski MF. The effects of compensation for scatter, lead x-rays and high-energy contamination on lesion detectability and activity estimation in Ga-67 imaging. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2002; CD-ROM.
  148. El Fakhri G, Moore SC, Maksud P, Aurengo A, Kijewski MF. Absolute activity quantitation in simultaneous 123I/99mTc brain SPECT. J Nucl Med. 2001 Feb; 42(2):300-8. PMID: 11216530.
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  149. Moore S.C., El Fakhri G., Maksud P. Comparative assessment of energy-based methods of compensating for scatter and lead x-rays in Ga-67 SPECT imaging. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2001; CD-ROM.
  150. El Fakhri G., Moore S.C., and Kijewski M.F. Optimization of Ga-67 imaging for detection and estimation tasks: dependence of imaging performance on choice of energy windows. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2001; CD-ROM.
  151. Moore SC and El Fakhri G. Realistic Monte Carlo simulation of Ga-67 SPECT imaging. IEEE Trans Nucl Sci. 2001; 48:720-724.
  152. El Fakhri G, Moore SC, Maksud P, Aurengo A, Kijewski MF. Absolute activity quantitation in simultaneous I-123/Tc-99m brain SPECT. IEEE Trans Nucl Sci. 2001; 48:799-804.
  153. El Fakhri G., Maksud P., Moore S.C., Zimmerman R.E., and Kijewski M.F. Absolute quantitation in simultaneous Tc-99m/I-123 brain SPECT using ANN: design optimization and validation. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2001; CD-ROM.
  154. El Fakhri G, Kijewski MF, Moore SC. Absolute activity quantitation from projections using an analytical approach: comparison with iterative methods in brain SPECT. IEEE Trans Nucl Sci. 2001; 48:768-773.
  155. El Fakhri G, Buvat I, Almeida P, Bendriem B, Todd-Pokropek A, Benali H. Should scatter be corrected in both transmission and emission data for accurate quantitation in cardiac SPET? Eur J Nucl Med. 2000 Sep; 27(9):1356-64. PMID: 11007518.
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  156. El Fakhri G, Buvat I, Benali H, Todd-Pokropek A, Di Paola R. Relative impact of scatter, collimator response, attenuation, and finite spatial resolution corrections in cardiac SPECT. J Nucl Med. 2000 Aug; 41(8):1400-8. PMID: 10945534.
    View in: PubMed
  157. El Fakhri G., Kijewski M.F., and Moore S.C. Absolute activity quantitation from projections using an analytical approach: comparison with iterative methods in brain SPECT. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2000; CD-ROM.
  158. El Fakhri G, Maksud P, Kijewski MF, Habert MO, Todd-Pokropek A, Aurengo A, Moore SC. Scatter and Cross-Talk Corrections in Simultaneous Tc-99m/I-123 Brain SPECT using Constrained Factor Analysis and Artificial Neural Networks. IEEE Trans Nucl Sci. 2000; 47:1573-1580.
  159. El Fakhri G., Moore S.C., and Maksud P. A new scatter compensation method for Ga-67 imaging using artificial neural networks. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2000; CD-ROM.
  160. Moore SC, El Fakhri G., Badawi RD, Van den Abbeele AD, Zimmerman RE. Relative lesion detectability in 3D vs. 2D dedicated multi-ring PET. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 2000; CD-ROM.
  161. Pélégrini M, Buvat I, Benali H, El Fakhri G, Grangeat P, Di Paola R. A spline-regularized minimal residual algorithm for iterative attenuation correction in SPECT. Phys Med Biol. 1999 Oct; 44(10):2623-42. PMID: 10533932.
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  162. el Fakhri GN, Buvat I, Pélégrini M, Benali H, Almeida P, Bendriem B, Todd-Pokropek A, Di Paola R. Respective roles of scatter, attenuation, depth-dependent collimator response and finite spatial resolution in cardiac single-photon emission tomography quantitation: a Monte Carlo study. Eur J Nucl Med. 1999 May; 26(5):437-46. PMID: 10382086.
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  163. Buvat I, El Fakhri G., Pélégrini M, Benali H, Todd-Pokropek A, Di Paola R. Relative impact of the different physical corrections in SPECT. A. Co. Med. Nuc. 1999; 5:169-179.
  164. Buvat I, Chameroy V, Aubry F, Pelegrini M, El Fakhri G, Huguenin C, Benali H, Todd-Pokropek A, Di Paola R. The need to develop guidelines for the evaluation of medical image processing procedures. SPIE. 1999; 3661:1466-1477.
  165. El Fakhri G., Moore S.C., Kijewski M.F., Maksud P, Todd-Pokropek A. Monte Carlo evaluation of quantitation in simultaneous Tc-99m/I-123 brain SPECT using constrained spectral factor analysis. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 1999; CD-ROM.
  166. El Fakhri G., Buvat I, Pélégrini M, Benali H, Almeida P, Bendriem B, Todd-Pokropek A, Di Paola R. . Respective roles of scatter, attenuation, collimator response and partial volume effect in cardiac SPECT quantitation: a Monte Carlo study. Eur. J. Nucl. Med. 1999; 26:437-446.
  167. El Fakhri G., Maksud P, Habert M.O, Todd-Pokropek A, Aurengo A. A new correction method for cross-talk using artificial neural networks: validation in simultaneous technetium and iodine cerebral imaging. Proc. IEEE Nucl. Sci. Symp. & Med. Imag. Conf. 1999; CD-ROM.
  168. El Fakhri G. Development of an evaluation system for quantitation in SPECT. 1998.
  169. Maksud P, Fertil B, Rica C, El Fakhri G, Aurengo A. Artificial neural network as a tool to compensate for scatter and attenuation in radionuclide imaging. J Nucl Med. 1998 Apr; 39(4):735-45. PMID: 9544691.
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  170. Pélégrini M, Benali H, Buvat I, el Fakhri G, Di Paola R. Two-dimensional statistical model for regularized backprojection in SPECT. Phys Med Biol. 1998 Feb; 43(2):421-34. PMID: 9509536.
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  171. Buvat I, El Fakhri G., Pélégrini M, Benali H, Di Paola R. . Effects of Compton scattering and simple scatter correction methods in SPECT. A. Co. Med. Nuc. 1998; 2:130-140.
  172. Buvat I, El Fakhri G., Pélégrini M, Benali H, Di Paola R. . Comparison of different protocols for attenuation correction in cardiac imaging. A. Co. Med. Nuc. 1998; 2:121-129.
  173. Koulibaby PM, Buvat I, Pélégrini M, El Fakhri G. Correction for variable spatial resolution due to collimator response. A. Co. Med. Nuc. 1998; 2:114-120.
  174. El Fakhri G., Maksud P, Aurengo A. . Evaluation of scatter correction methods using Monte Carlo simulation in non uniform media. SPIE. 1998; 3338:363-370.
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