Arman Rahmim

Summary

Affiliation: Johns Hopkins University
Country: USA

Publications

  1. ncbi request reprint The influence of measurement uncertainties on the evaluation of the distribution volume ratio and binding potential in rat studies on a microPET R4: a phantom study
    Vesna Sossi
    Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Rd, Vancouver V6T 1Z1, Canada
    Phys Med Biol 50:2859-69. 2005
  2. ncbi request reprint Statistical dynamic image reconstruction in state-of-the-art high-resolution PET
    Arman Rahmim
    Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Phys Med Biol 50:4887-912. 2005
  3. doi request reprint PET versus SPECT: strengths, limitations and challenges
    Arman Rahmim
    Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    Nucl Med Commun 29:193-207. 2008
  4. pmc System matrix modelling of externally tracked motion
    Arman Rahmim
    Department of Radiology, School of Medicine, Johns Hopkins University, Baltimore, USA
    Nucl Med Commun 29:574-81. 2008
  5. pmc Accurate event-driven motion compensation in high-resolution PET incorporating scattered and random events
    Arman Rahmim
    Department of Radiology, Johns Hopkins University, 601 N Caroline Street, Baltimore, MD 21205, USA
    IEEE Trans Med Imaging 27:1018-33. 2008
  6. doi request reprint Strategies for Motion Tracking and Correction in PET
    Arman Rahmim
    Division of Nuclear Medicine, Russell H Morgan Department of Radiology and Radiologic Sciences, Johns Hopkins University, Room 3245, 601 N Caroline Street, Baltimore, MD 21287, USA Electronic address
    PET Clin 2:251-66. 2007
  7. doi request reprint Four-Dimensional Image Reconstruction Strategies in Cardiac-Gated and Respiratory-Gated PET Imaging
    Arman Rahmim
    Division of Nuclear Medicine, Department of Radiology, Johns Hopkins University, Johns Hopkins Outpatient Centre, Room 3245, 601 N Caroline Street, Baltimore, MD 21287, USA Electronic address
    PET Clin 8:51-67. 2013
  8. pmc Resolution modeling in PET imaging: theory, practice, benefits, and pitfalls
    Arman Rahmim
    Department of Radiology, Johns Hopkins University, Baltimore, Maryland 21287, USA
    Med Phys 40:064301. 2013
  9. pmc Direct 4D parametric imaging for linearized models of reversibly binding PET tracers using generalized AB-EM reconstruction
    Arman Rahmim
    Department of Radiology, Johns Hopkins University, Baltimore, MD 21287, USA
    Phys Med Biol 57:733-55. 2012
  10. ncbi request reprint Four-dimensional (4D) image reconstruction strategies in dynamic PET: beyond conventional independent frame reconstruction
    Arman Rahmim
    Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    Med Phys 36:3654-70. 2009

Collaborators

Detail Information

Publications35

  1. ncbi request reprint The influence of measurement uncertainties on the evaluation of the distribution volume ratio and binding potential in rat studies on a microPET R4: a phantom study
    Vesna Sossi
    Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Rd, Vancouver V6T 1Z1, Canada
    Phys Med Biol 50:2859-69. 2005
    ..With measured attenuation correction, the COVs were on average 100% higher. The presented method can be used to examine the contribution of a variety of imaging conditions to the uncertainty of biologically meaningful parameters...
  2. ncbi request reprint Statistical dynamic image reconstruction in state-of-the-art high-resolution PET
    Arman Rahmim
    Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Phys Med Biol 50:4887-912. 2005
    ....
  3. doi request reprint PET versus SPECT: strengths, limitations and challenges
    Arman Rahmim
    Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    Nucl Med Commun 29:193-207. 2008
    ..Both technologies are poised to advance molecular imaging and have a direct impact on clinical and research practice to influence the future of molecular medicine...
  4. pmc System matrix modelling of externally tracked motion
    Arman Rahmim
    Department of Radiology, School of Medicine, Johns Hopkins University, Baltimore, USA
    Nucl Med Commun 29:574-81. 2008
    ....
  5. pmc Accurate event-driven motion compensation in high-resolution PET incorporating scattered and random events
    Arman Rahmim
    Department of Radiology, Johns Hopkins University, 601 N Caroline Street, Baltimore, MD 21205, USA
    IEEE Trans Med Imaging 27:1018-33. 2008
    ..The proposed approach has been extensively validated using phantom experiments as well as realistic simulations of a new mathematical brain phantom developed in this work, and the results for a dynamic patient study are also presented...
  6. doi request reprint Strategies for Motion Tracking and Correction in PET
    Arman Rahmim
    Division of Nuclear Medicine, Russell H Morgan Department of Radiology and Radiologic Sciences, Johns Hopkins University, Room 3245, 601 N Caroline Street, Baltimore, MD 21287, USA Electronic address
    PET Clin 2:251-66. 2007
    ..In this sense, the field is open to future novel ideas (hardware and especially software) aimed at improving motion detection, characterization, and compensation. ..
  7. doi request reprint Four-Dimensional Image Reconstruction Strategies in Cardiac-Gated and Respiratory-Gated PET Imaging
    Arman Rahmim
    Division of Nuclear Medicine, Department of Radiology, Johns Hopkins University, Johns Hopkins Outpatient Centre, Room 3245, 601 N Caroline Street, Baltimore, MD 21287, USA Electronic address
    PET Clin 8:51-67. 2013
    ..A wide-ranging choice of such techniques is reviewed in this work. Future opportunities and the challenges facing the adoption of 4D PET reconstruction and its role in basic and clinical research are also discussed. ..
  8. pmc Resolution modeling in PET imaging: theory, practice, benefits, and pitfalls
    Arman Rahmim
    Department of Radiology, Johns Hopkins University, Baltimore, Maryland 21287, USA
    Med Phys 40:064301. 2013
    ....
  9. pmc Direct 4D parametric imaging for linearized models of reversibly binding PET tracers using generalized AB-EM reconstruction
    Arman Rahmim
    Department of Radiology, Johns Hopkins University, Baltimore, MD 21287, USA
    Phys Med Biol 57:733-55. 2012
    ....
  10. ncbi request reprint Four-dimensional (4D) image reconstruction strategies in dynamic PET: beyond conventional independent frame reconstruction
    Arman Rahmim
    Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    Med Phys 36:3654-70. 2009
    ..Future opportunities and challenges with regards to the adoption of 4D and higher dimensional image reconstruction techniques are also outlined...
  11. pmc Analytic system matrix resolution modeling in PET: an application to Rb-82 cardiac imaging
    A Rahmim
    Division of Nuclear Medicine, Department of Radiology, Johns Hopkins University, Baltimore MD, USA
    Phys Med Biol 53:5947-65. 2008
    ....
  12. doi request reprint Quantification of cerebral cannabinoid receptors subtype 1 (CB1) in healthy subjects and schizophrenia by the novel PET radioligand [11C]OMAR
    Dean F Wong
    Radiology, Johns Hopkins University, Baltimore, MD 21287, USA
    Neuroimage 52:1505-13. 2010
    ..In addition, our initial data in subjects with schizophrenia seem to suggest an association of elevated binding specific brain regions and symptoms of the disease...
  13. pmc Optimization of Rb-82 PET acquisition and reconstruction protocols for myocardial perfusion defect detection
    Jing Tang
    Department of Radiology, The Johns Hopkins University, Baltimore, MD 21287, USA
    Phys Med Biol 54:3161-71. 2009
    ..Shortening the TATs for <approximately 3 min from the clinically employed acquisition time does not affect the myocardial perfusion defect detection significantly for both rest and stress studies...
  14. pmc Simultaneous measurement of noise and spatial resolution in PET phantom images
    Martin A Lodge
    The Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Phys Med Biol 55:1069-81. 2010
    ..The proposed method of simultaneously measuring image noise and spatial resolution is useful for evaluating reconstruction algorithms and may aid standardization of data collection between centers...
  15. doi request reprint Impact of point spread function reconstruction on quantitative 18F-FDG-PET/CT imaging parameters and inter-reader reproducibility in solid tumors
    Sara Sheikhbahaei
    aRussell H Morgan Department of Radiology and Radiological Sciences bDepartment of Oncology of Johns Hopkins School of Medicine cDepartment of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
    Nucl Med Commun 37:288-96. 2016
    ..This study aims to determine the impact of point-spread function (PSF) reconstruction on quantitative PET/computed tomography (CT) indices and the inter-reader reproducibility of these measurements...
  16. pmc Dynamic whole-body PET parametric imaging: II. Task-oriented statistical estimation
    Nicolas A Karakatsanis
    Division of Nuclear Medicine, Department of Radiology, Johns Hopkins University, Baltimore, MD, 21287, USA
    Phys Med Biol 58:7419-45. 2013
    ..Compared to the SUV approach, whole-body parametric imaging can provide better tumor quantification, and can act as a complement to SUV, for the task of tumor detection...
  17. pmc Direct 4D reconstruction of parametric images incorporating anato-functional joint entropy
    Jing Tang
    Department of Radiology, The Johns Hopkins University, Baltimore, MD 21287, USA
    Phys Med Biol 55:4261-72. 2010
    ....
  18. doi request reprint 18F-FDG-PET/CT therapy assessment of locally advanced pancreatic adenocarcinoma: impact on management and utilization of quantitative parameters for patient survival prediction
    Sara Sheikhbahaei
    aRussell H Morgan Department of Radiology and Radiological Sciences bDepartment of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins School of Medicine cDepartment of Health Policy and Management and Center for Health Services and Outcome Research, Johns Hopkins Bloomberg School of Public Health dArmstrong Institute for Patient Safety and Quality, Johns Hopkins Medicine, Baltimore, Maryland, USA
    Nucl Med Commun 37:231-8. 2016
    ....
  19. pmc Design and implementation of an automated partial volume correction in PET: application to dopamine receptor quantification in the normal human striatum
    Olivier G Rousset
    Section of High Resolution Brain PET Imaging, Division of Nuclear Medicine, Russell H Morgan Department of Radiology, Johns Hopkins University, Baltimore, Maryland 21287, USA
    J Nucl Med 49:1097-106. 2008
    ....
  20. pmc Quantitative study of cardiac motion estimation and abnormality classification in emission computed tomography
    Jing Tang
    Department of Radiology, Johns Hopkins University, 601 N Caroline Street, Baltimore, MD 21205, USA
    Med Eng Phys 33:563-72. 2011
    ....
  21. pmc Bayesian PET image reconstruction incorporating anato-functional joint entropy
    Jing Tang
    Department of Radiology, The Johns Hopkins University, Baltimore, MD 21287, USA
    Phys Med Biol 54:7063-75. 2009
    ..Corrections were made to figures 3, 4 and 6, and to the second paragraph of section 3.1 on 13 November 2009. The corrected electronic version is identical to the print version...
  22. doi request reprint Therapy Response Assessment and Patient Outcomes in Head and Neck Squamous Cell Carcinoma: FDG PET Hopkins Criteria Versus Residual Neck Node Size and Morphologic Features
    Rick Wray
    1 Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins Medical Institutions, Baltimore, MD
    AJR Am J Roentgenol 207:641-7. 2016
    ....
  23. pmc A practical, automated quality assurance method for measuring spatial resolution in PET
    Martin A Lodge
    Division of Nuclear Medicine, Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    J Nucl Med 50:1307-14. 2009
    ..The aim of this project was to aid standardization of data collection by developing a quality assurance method for measuring the spatial resolution achieved with clinical imaging protocols...
  24. doi request reprint Spatiotemporal distribution modeling of PET tracer uptake in solid tumors
    Madjid Soltani
    Division of Nuclear Medicine, Department of Radiology, School of Medicine, Johns Hopkins University, Baltimore, MD, 21287, USA
    Ann Nucl Med 31:109-124. 2017
    ..This is especially significant because tracer delivery and drug delivery to solid tumors are determined by similar underlying tumor transport phenomena, and quantifying the former can enable enhanced prediction of the latter...
  25. pmc A novel metric for quantification of homogeneous and heterogeneous tumors in PET for enhanced clinical outcome prediction
    Arman Rahmim
    Department of Radiology and Radiological Science, Johns Hopkins University, Baltimore, MD 21287, USA Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
    Phys Med Biol 61:227-42. 2016
    ..61. Overall, the proposed methodology allows placement of differing degrees of emphasis on tumor volume versus uptake for different types of tumors to enable enhanced clinical outcome prediction...
  26. doi request reprint Partial Volume Correction Strategies in PET
    Olivier Rousset
    Division of Nuclear Medicine, Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University, Johns Hopkins Outpatient Centre, Room 3245, 601 N Caroline St, Baltimore, MD 21287, USA Electronic address
    PET Clin 2:235-49. 2007
    ..Although the total number of counts is preserved, they are distributed over a larger volume. This article describes the various partial volume correction strategies used in PET and summarizes their clinical and research applications. ..
  27. pmc The Role of Dopamine in Value-Based Attentional Orienting
    Brian A Anderson
    Department of Psychological and Brain Sciences, Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA Electronic address
    Curr Biol 26:550-5. 2016
    ..More broadly, the present study highlights the value and feasibility of using PET to relate changes in the release of a neurotransmitter to learning-dependent changes in healthy adults...
  28. doi request reprint Initial human experience with Rubidium-82 renal PET/CT imaging
    ABDEL K TAHARI
    Division of Nuclear Medicine, Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    J Med Imaging Radiat Oncol 58:25-31. 2014
    ..The goal of this study was to investigate the feasibility of human kidney imaging with (82)Rb positron emission tomography (PET) and obtain quantitative data of its uptake non-invasively...
  29. pmc Dynamic whole-body PET parametric imaging: I. Concept, acquisition protocol optimization and clinical application
    Nicolas A Karakatsanis
    Division of Nuclear Medicine, Department of Radiology, Johns Hopkins University, Baltimore, MD, 21287, USA
    Phys Med Biol 58:7391-418. 2013
    ....
  30. ncbi request reprint 11C-JHU75528: a radiotracer for PET imaging of CB1 cannabinoid receptors
    Andrew G Horti
    Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287 0816, USA
    J Nucl Med 47:1689-96. 2006
    ..The goal of this study was to evaluate 11C-JHU75528, an analog of the selective CB1 antagonist rimonabant, in vivo as a potential CB1 radioligand for PET...
  31. pmc Application of texture analysis to DAT SPECT imaging: Relationship to clinical assessments
    Arman Rahmim
    Department of Radiology, Johns Hopkins University, Baltimore, MD, United States Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD, United States
    Neuroimage Clin 12:e1-e9. 2016
    ....
  32. pmc The ARIC-PET amyloid imaging study: Brain amyloid differences by age, race, sex, and APOE
    Rebecca F Gottesman
    From the Department of Neurology R F G, A L C S, Department of Radiology, Section of High Resolution Brain PET Imaging Y Z, X C, A R, D F W, and Departments of Psychiatry D F W and Neuroscience D F W, Johns Hopkins University School of Medicine Departments of Epidemiology R F G, A L C S, A R S and Environmental Health Sciences D F W, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD Departments of Radiology E G and Medicine T H M, University of Mississippi Medical Center, Jackson Hagerstown Imaging N G, MD Department of Neurology D S K, Mayo Clinic, Rochester, MN and Department of Radiology A M and Division of Public Health Sciences L E W, Wake Forest School of Medicine, Winston Salem, NC
    Neurology 87:473-80. 2016
    ..To evaluate differences in amyloid deposition in a community-based cohort without dementia by age, sex, race, education, and APOE ε4 allele status...
  33. doi request reprint Quantitative myocardial perfusion PET parametric imaging at the voxel-level
    Hassan Mohy-Ud-Din
    Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD 21218, USA Department of Radiology and Radiological Science, Johns Hopkins University, Baltimore, MD 21287, USA Department of Diagnostic Radiology, Yale University, New Haven, CT 06520, USA
    Phys Med Biol 60:6013-37. 2015
    ..Overall, parametric images obtained from the proposed methodology were robust in the presence of high-noise levels as manifested in the voxel time-activity-curves. ..
  34. pmc Noise propagation in resolution modeled PET imaging and its impact on detectability
    Arman Rahmim
    Department of Radiology, Johns Hopkins University, Baltimore, MD 21287, USA Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD 21287, USA
    Phys Med Biol 58:6945-68. 2013
    ....
  35. ncbi request reprint A scatter-corrected list-mode reconstruction and a practical scatter/random approximation technique for dynamic PET imaging
    Ju Chieh Cheng
    Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1, Canada
    Phys Med Biol 52:2089-106. 2007
    ..The precision of the scatter fraction was also demonstrated for the conventional and the approximate approach using phantom studies...