Publications

Journal Peer-Reviewed Articles

  1. Correction of respiratory and cardiac motion in cardiac PET/MR using MR-based motion modeling P.M. Robson, M.G. Trivieri, N.A. Karakatsanis, M. Padilla, R. Abgral, M.R. Dweck, J.C. Kovacic, and Z.A. Fayad Phys Med Biol (2018) (in press)
  2. Dynamic whole-body PET imaging: principles, potentials and applications A. Rahmim, M.A. Lodge, N.A. Karakatsanis, V.Y. Panin, Y. Zhou, A. McMillan, S. Cho, H. Zaidi, M.E. Casey, and R.L. Wahl  Eur J Nuclear Med Mol Imaging (2018) p.1-18.
  3. Improved myocardial perfusion PET imaging with MRI assisted reconstruction incorporating multi-resolution joint entropy X. Wang, B. Yang, M.P. Adams, X. Gao, N.A. Karakatsanis, and J. Tang, Phys Med Biol, 63(17) (2018) p. 5017
  4. Nanobody-facilitated multiparametric PET/MRI phenotyping of atherosclerosis. M.L. Senders, S. Hernot, G. Carlucci, J. van de Voort, F. Fay, C. Calcagno, …, N.A. Karakatsanis, …, T. Reiner, Z.A. Fayad, N. Devoogdt, W.J.M. Mulder, and C. Perez-Medina JACC Cardiovasc Imag (2018) (in press)
  5. Quantitative Analysis of Heterogeneous 18F-FDG Static (SUV) vs. Patlak (Ki) Whole-body PET Imaging Using Different Segmentation Methods: a Simulation Study. M. Zhuang, N.A. Karakatsanis, R.A.J.O. Dierckx, and H. Zaidi Mol Imag Biol (2018) doi:10.1007/s11307-018-1241-8
  6. Efficacy and safety assessment of a TRAF6-targeted nanoimmunotherapy in atherosclerotic mice and non-human primates. M. Lameijer, T. Binderup, M.M.T. van Leens, M.L. Senders, F. Fay, …, N.A. Karakatsanis, …, Z.A. Fayad, E. Lutgens, W.J.M. Mulder, and R.  Duivenvoorden Nat Biomed Eng (2018) doi:10.1038/s41551-018-0221-2
  7. Assessment of atherosclerotic plaque activity in patients with sleep apnea using hybrid positron emission tomography/magnetic resonance imaging (PET/MRI): a feasibility study V. Kundel, M.G. Trivieri, N.A. Karakatsanis, P.M. Robson, V. Mani, J.R. Kizer, R. Kaplan, Z.A. Fayad and N. Shah Sleep Breath (2018), p 1-11
  8. Towards enhanced PET quantification in clinical oncology H. Zaidi, and N.A. Karakatsanis Br J Radiol (2018) 91: 20170508
  9. Hybrid Magnetic Resonance Imaging and Positron Emission Tomography With Fluorodeoxyglucose to Diagnose Active Cardiac Sarcoidosis, M.R. Dweck, R. Abgral, M.G. Trivieri, P.M. Robson, N.A. Karakatsanis, V. Mani, A. Palmisano, M. Miller, A. Lala, L.H. Chang J. Sanz, J. Contreras, J. Narula, V. Fuster, M. Padilla, Z.A. Fayad, and J.C. Kovacic JACC Cardiovasc Imag 11(1) (2018), p. 94-107
  10. Generalized PSF-modelling for optimized quantitation in PET imaging, S. Ashrafinia, H. Mohy-ud-Din, N.A. Karakatsanis, A. Jha, M. Casey, D. Kadrmas, and A. Rahmim Phys Med Biol 62(12) (2017) p. 5149-5179
  11. Quantitative PET image reconstruction employing nested expectation-maximization deconvolution for motion compensation, N.A. Karakatsanis, C. Tsoumpas, and H. Zaidi J Comp Med Imag Graph 60 (2017) p. 11-21
  12. Clinical Utility of Combined FDG-PET/MR to Assess Myocardial Disease, Abgral R, M.R. Dweck, P.M. Robson, M.G. Trivieri, N.A. Karakatsanis N.A., V. Mani, M. Padilla, M. Miller, A. Lala, J. Sanz, J. Narula, V. Fuster, J. Contreras, J.C. Kovacic, and Z.A. Fayad JACC Cardiovasc Imaging 10(5) (2017) p. 594-597
  13. 18F-sodium fluoride PET/MR for the Assessment of Cardiac Amyloidosis, M.G. Trivieri, M.R. Dweck, R. Abgral, P.M. Robson, N.A. Karakatsanis, A. Lala, J. Contreras, G. Sahni, R. Gopalan, P. Gorevic, V. Fuster, J. Narula and Z.A. Fayad J Am Coll Cardiol 68(24) (2016) p. 2712-2714
  14. Coronary Artery PET/MR Imaging: Initial Experience, Limitations and Solutions, P.M. Robson, M.R. Dweck, M.G. Trivieri, R. Abgral, N.A. Karakatsanis, J. Contreras, U. Gidwani, J.P. Narula, V. Fuster, J.C. Kovacic, and Z.A. Fayad JACC Cardiovasc Imaging 10(10) (2016), p. 1103-1112
  15. Whole-body direct 4D parametric PET imaging employing nested generalized Patlak expectation-maximization reconstruction, N.A. Karakatsanis, M.E. Casey, M. Lodge, A. Rahmim, and H. Zaidi Phys Med Biol 61(15) (2016) p. 5456-5485 (open-access featured article, also illustrated in MedicalPhysicsWeb news
  16. Recent developments in Geant4, J. Allison, …, N.A. Karakatsanis, …, H. Yoshida Nucl Instrum Meth Phys Res A 835 (2016) p. 186-225 (open access)
  17. Generalized whole-body Patlak parametric imaging for enhanced quantification in clinical PETN.A. Karakatsanis, Y. Zhou, M.A. Lodge, M.E. Casey, R.L. Wahl, H. Zaidi, and A. Rahmim Phys Med Biol 60(22) (2015) p.8643-8673
  18. Dosage optimization in positron emission tomography: state-of-the-art methods and future prospectsN.A. Karakatsanis, E. Fokou, and C. Tsoumpas Am J Nucl Med Mol Imaging 5(5) (2015) p. 527-547.
  19. Intra-frame Motion Compensation in Multi-frame Brain PET Imaging, H. Mohy-ud-Din, N.A. Karakatsanis, W. Willis, A.K. Tahari, D.F. Wong, and A. Rahmim Front Biomed Technol, 2(2) (2015) p. 60-72.
  20. Estimation of dynamic time activity curves from dynamic cardiac SPECT imaging, J. Hossain, Y. Du, J. Links, A. Rahmim, N.A. Karakatsanis, A. Akhbardeh, J. Lyons, and E.C. Frey, Phys Med Biol 60(8) (2015) p. 3193-3206
  21. Monte-Carlo based characterization of the counting rate (NECR) response for personalized optimization of the administered activity in clinical PET imagingN.A. Karakatsanis, G. Loudos, A. Rahmim, and K.S. Nikita, Front Biomed Technol, 1(1), (2014)
  22. Effect of 176Lu intrinsic radioactivity on dual head PET system imaging and data acquisition, simulation and experimental measurements, N. Efthimiou, G. Loudos, N.A. Karakatsanis and G.S. Panayiotakis, Med Phys 40, 112505 (2013)
  23. Dynamic whole body PET parametric imaging: II. task-oriented statistical estimation, N.A. Karakatsanis, M.A. Lodge, Y. Zhou, R.L. Wahl and A. Rahmim, Phys Med Biol 58(20) (2013) p. 7419-7445
  24. Dynamic whole body PET parametric imaging: I. Concept, acquisition protocol optimization and clinical application, N.A. Karakatsanis, M.A. Lodge, A.K. Tahari, Y. Zhou, R.L. Wahl and A. Rahmim, Phys Med Biol 58(20) (2013) p. 7391-7418
  25. 3.5D dynamic PET image reconstruction incorporating kinetics-based clusters, L. Lu, N.A. Karakatsanis, J. Tang, W. Chen, and A. Rahmim Phys Med Biol 57 (2012) p. 5035-5055
  26. A radionuclide dosimetry toolkit based on material specific Monte Carlo dose kernels, G. Loudos, I. Tsougos, S. Boukis, N.A. Karakatsanis, P. Georgoulias, K. Theodorou, K.S. Nikita, and C. Kappas, Nucl Med Comm 30(7), (2009), p. 504-512
  27. Validation of a GATE model for the simulation of the Siemens PET/CT biograph 6 scanner, P. Gonias, N. Bertsekas, N.A. Karakatsanis, G. Saatsakis, D. Nikolopoulos, X. Tsantilas, G. Loudos, N. Sakellios, A. Gaitanis, L. Papaspyrou, A. Daskalakis, P. Liaparinos, D. Cavouras, I. Kandarakis and G.S. Panayiotakis Nucl Instrum Meth Phys Res A 571, (2007), p. 263-266
  28. A Comparative Evaluation of two commercial PET Scanners, ECAT EXACT HR+ and Biograph 2, using GATE, N.A. Karakatsanis, N. Sakellios, X. Tsantilas, N. Dikaios, C. Tsoumpas, D. Lazaro, G. Loudos, C.R. Schmidtlein, K. Louizi K., J. Valais, D. Nikolopoulos, J. Malamitsi, I. Kandarakis and K.S. Nikita Nucl Instrum Meth Phys Res, 569(2), (2006), p. 368-372
  29. Comparison of CsI(Tl) and CsI(Na) partially slotted crystals for high-resolution SPECT imaging, N. Giokaris, G. Loudos G., D. Maintas D., A. Karabarbounis , M. Lembesi, V. Spanoudaki, E. Stiliaris, S. Boukis, N. Sakellios, N.A. Karakatsanis, A. Gektin, A. Boyarintsev, V. Pedash, and V. Gayshan Nucl Instrum Meth Phys Res, 569(2), (2006), p. 185-187
  30. Imaging properties of cerium doped Yttrium Aluminum Oxide (YAP:Ce) powder scintillating screens under X-ray excitation, N. Kalivas, I. Valais, G. Salemis, C. Karagiannis, A. Konstantinidis, D. Nikolopoulos, G. Loudos, N. Sakellios, N.A. Karakatsanis, K.S. Nikita, V.L. Gayshan A. Getkin, I. Sianoudis, N. Giokaris, C.D. Nomicos, N. Dimitropoulos, D. Cavouras, G.S. Panayiotakis and I. Kandarakis Nucl Instrum Meth Phys Res, 569(2), (2006), p. 210-214 


Conference Peer-Reviewed Articles

  1. Motion-compensated 90Y-PET/MR image reconstruction for enhanced localization and quantification of liver 90Y dose maps Karakatsanis N.Α., Eldib M., Faul D., Fenchel M., Kostakoglu L., Knesaurek K., and Fayad, Z.A. J Nucl Med 59(suppl. 1), p.653-653
  2. “SUV/Patlak-4D whole-body PET/CT dynamic and parametric imaging: clinical demonstration and validation of SUV synthesis from dynamic passes”, Karakatsanis N.A., Casey M.E., K. Knesaurek K., Fayad Z.A., and Kostakoglu L., IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2017, Atlanta, GA, USA (oral presentation)
  3. “Direct 4D Patlak 18F-FDG PET/MR for the multi-parametric imaging assessment of active cardiac sarcoidosis”, Karakatsanis N.A., Trivieri M.G., Abgral R., Dweck M.R., Robson P.M., Mani V., Padilla M.M., Miller M., Lala A., Sanz J., Contreras J., Narula J., Fuster V., Kovasic J.C. and Fayad Z.A., IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2017, Atlanta, GA, USA
  4. “PET-driven respiratory phase tracking and self-gating of PET data: clinical demonstration of enhanced lesion detectability in cardiovascular PET/MR imaging”, Karakatsanis N.A., Robson P.M., Dweck M.R., Trivieri M.G., Calcagno C., Mani V., Faul D.D., Tsoumpas C., and Fayad Z.A., IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2017, Atlanta, GA, USA
  5. “Hybrid PET-MR list-mode kernelized expectation maximization reconstruction for quantitative PET images of the carotid arteries,” Deidda D., Karakatsanis N.A., Robson P.M., Efthimiou N., Fayad Z.A., Aykroyd R.G., and Tsoumpas C. IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2017, Atlanta, Georgia, USA. (oral presentation)
  6. Multi-Vessel Assessment Of Atherosclerotic Activity In Patients With Sleep Apnea Using A Hybrid Positron Emission Tomography/Magnetic Resonance Imaging (PET/MRI), Kundel V., Trivieri M.G., Robson P.M., Karakatsanis N.A., Kizer J., Kaplan R., Fayad Z.A., and Shah N.A., 2017 Am Thor Soc, Washington, DC, USA
  7. Simultaneous assessment of carotid plaque inflammation and micro-calcification with dual-tracer 18F-FDG:18F-NaF PET-MR imaging: a clinical feasibility studyKarakatsanis N.A., Trivieri M.G., Dweck M.R., Robson P.M., Abgral R., Soler J., Calcagno C., Mani V., Tsoumpas C. and  Fayad Z.A., 2017 SNMMI Annual Meeting, Denver, CO, USA (oral presentation)
  8. “Usefulness of 18F-Sodium Fluoride PET/MR Imaging for the Assessment of Cardiac Amyloidosis”, Abgral R., Trivieri M.G., Dweck M.R., Robson P.M., Karakatsanis N.A., Lala A., Contreras J., Gopalan R., Gorevic P., Fuster V., Narula J. and Fayad Z.A., 2017 SNMMI Annual Meeting, Denver, CO, USA (oral presentation
  9. “MR-Based Respiratory and Cardiac Motion Corrected 18F-FDG-PET/MR in Cardiac Sarcoidosis”, Robson P M, Karakatsanis N. A., Trivieri M. G., Abgral R., Dweck M. R., Kovacic J. C., and Fayad Z. A., 25th ISMRM Annual Meeting, 2017, Honolulu, HI, USA
  10. Combined Late Gadolinium Enhancement (LGE) and 18F-fluorodeoxyglucose (18F-FDG) Uptake in a Hybrid PET/MR System to Diagnose Active Cardiac Sarcoidosis, Robson P.M., Trivieri M.G., Abgral R., Dweck M.R., Karakatsanis N.A., Mani V., Padilla M.M., Miller M.M., Lala A., Sanz J., Narula J., Fuster V., Contreras J., Kovacic J., and Fayad Z.A., 25th ISMRM Annual Meeting, 2017, Honolulu, HI, USA (oral presentation)
  11. 18F-FDG:18F-NaF PET/MR Multi-Parametric Imaging with Kinetics-Based Bone Segmentation for Enhanced Dual-Tracer PET QuantificationKarakatsanis N.A., Abgral R., Boeykens G., Dweck M.R., Robson P.M., Trivieri M.G., Calgano C., Tsoumpas C., Fayad Z.A., IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2016, Strasbourg, France (oral presentation)
  12. Direct 4D Slice-Wise Whole-Body Parametric PET Image Reconstruction for Continuous Bed Motion AcquisitionsKarakatsanis N.A., Mehranian A., Casey M.E., and Zaidi H., IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2016, Strasbourg, France
  13. Novel quantitative whole-body parametric PET imaging utilizing multiple clustering realizations, Bal H., Panin V., Karakatsanis N.A., Rahmim A. and Casey M., IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2016, Strasbourg, France
  14. Usefulness of combined FDG-PET/MR to diagnose active cardiac sarcoidosis, Dweck M.R., Abgral R., Trivieri M.G., Robson P.M., Karakatsanis N.A., Mani V., Padilla M., Miller M., Lala A., Sanz J., Narula J., Fuster V., Contreras J., Kovacic J.C., and Fayad Z.A., An Cong Eur Assoc Nucl Med (EANM), 2016 (oral presentation)
  15. MR-based attenuation correction in cardiovascular PET/MR imaging: challenges and practical solutions for cardiorespiratory motion and tissue class segmentationKarakatsanis N.A.Robson, P.M., Dweck M.R.Abgral R.Trivieri M.G.Sanz J.Contreras J.Narula J.Padilla M.Gidwani U.Fuster V.Kovacic J. and Fayad Z.A., J Nucl Med, May 1 2016, vol. 57, suppl. 2, 452 (oral presentation)
  16. Simultaneous SUV/Patlak-4D Whole-Body PET: a Multi-Parametric 4D Imaging Framework for Routine Clinical ApplicationKarakatsanis N.A.Lodge M.Fahrni G.Casey M.E.Zhou Y.Subramaniam R.Zaidi H. and Rahmim A. J Nucl Med, May 1 2016, vol. 57, suppl. 2, 367 (oral presentation: Hermann Blumgart Award Session)
  17. Cocktail 18F-FDG/18F-NaF PET/MR imaging: feasibility, protocol optimization and potential benefits in MR-guided attenuation correctionKarakatsanis N.A., Abgral R., Boykens G., Calcagno C., Dweck M.R., Robson P.M., Trivieri M.G., Tsoumpas C. and Fayad Z.A. J Nucl Med, May 1 2016, vol. 57, suppl. 2, 1415
  18. Usefulness of combined FDG-PET/MR to diagnose active cardiac sarcoidosis, Abgral R., Dweck M.R., Robson, P.M.,Trivieri M.G., Karakatsanis N.A.Sanz J.Contreras J., Fuster V., Padilla M.Kovacic J. and Fayad Z.A., J Nucl Med, May 1 2016, vol. 57, suppl. 2, 1668
  19. PSF Overestimation Improves PET Image SUV QuantificationAshrafinia S.Mohy-ud-Din H.Karakatsanis N.A.Casey M.E.Lodge M.and Rahmim A., J Nucl Med, May 1 2016, vol. 57, suppl. 2, 1965
  20. Motion Averaged MR-Based Attenuation Correction for Coronary 18F-Fluoride Hybrid PET/MR, Robson P.M., Dweck M.R., Karakatsanis N.A., Trivieri M.G., Abgral R., Contreras J., Gidwani U., Narula J., Fuster V., Kovacic J. and Fayad Z.A.,  24th ISMRM Annual Meeting, 2016, 2545
  21. Coronary 18F-Fluoride Hybrid Positron Emission Tomography Magnetic Resonance Imaging: Initial Experience, Robson P.M., Dweck M.R., Trivieri M.G., Karakatsanis N.A., Abgral R., Contreras J., Gidwani U., Narula J., Fuster V., Kovacic J. and Fayad Z.A.,  J. Am. Coll. Cardiol. 2016 67(13_S) 1624-1624
  22. Continuous Bed Motion Vs. Step-and-Shoot Acquisition on Clinical Whole-Body Dynamic and Parametric PET Imaging, Karakatsanis N.A., Garibotto V., Rager O. and Zaidi H, Proc. IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2015, San Diego, CA, USA
  23. Clinical Evaluation of Direct 4D Whole-Body PET Parametric Imaging with Time-of-Flight and Resolution Modeling Capabilities, Karakatsanis N.A., Mehranian A., Lodge M.A., Casey M.E., Rahmim A. and Zaidi H., Proc. IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2015, San Diego, CA, USA
  24. Whole-Body Parametric Imaging on Clinical Scanner: Direct 4D Reconstruction with Simultaneous Attenuation Estimation and Time-Dependent Normalization, Panin V. Y., Bal H., Defrise M., Casey M. E., Karakatsanis N. A. and Rahmim A., Proc. IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2015, San Diego, CA, USA
  25. Multi-bed Tracer Kinetic Imaging of Micro-Parameters from Dynamic Time-Of-Flight PET Data, Kotasidis F.A., Karakatsanis N.A., Mehranian A. and Zaidi H., Proc. IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2015, San Diego, CA, USA
  26. The impact of MR-guided PET attenuation correction on whole-body dynamic and parametric PET imaging, Karakatsanis N.A., Tsoumpas C. and Zaidi H., J Nucl Med May 1 2015, vol. 56 suppl. 3, 1796
  27. Clinical Whole-body PET Patlak imaging 60-90min post-injection employing a population-based input function, Karakatsanis N.A., Zhou Y., Lodge M.A., Casey M.E., Wahl R.L., Subramaniam R.M., Rahmim A. and Zaidi H., J Nucl Med May 1, 2015 vol. 56 no. supplement 3 1786
  28. Novel multi-parametric SUV/Patlak FDG-PET whole-body imaging framework for routine application to clinical oncology, Karakatsanis N.A., Lodge M.A., Zhou Y., Casey M., Wahl R.L., Subramaniam R.M., Zaidi H. and Rahmim A., J Nucl Med May 1, 2015 vol. 56 no. supplement 3 625 (oral presentation)
  29. Evaluation of whole-body parametric PET/CT image generation from high resolution high sensitivity mCT scanner, Zhou Y., Lodge M.A., Crandall J., Karakatsanis N.A., Casey M.E., Ashrafinia S., Chen X., Subramaniam R.M., Wahl R.L. and Rahmim A., J Nucl Med May 1, 2015 vol. 56 no. supplement 3 372
  30. Introducing Time-of-Flight and Resolution Recovery Image Reconstruction to Clinical Whole-Body PET Parametric Imaging, Karakatsanis N.A., Rahmim A., Lodge M.A. and Zaidi H., Proc. IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2014, Seattle, WA, USA (oral presentation)
  31. Impact of Acquisition Time-Window on Clinical Whole-Body PET Parametric Imaging, Karakatsanis N.A., Lodge M.A., Casey M.E., Zaidi H. and Rahmim A., Proc. IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2014, Seattle, WA, USA (oral presentation)
  32. Generalized 3D and 4D motion-compensated whole-body PET image reconstruction employing nested EM deconvolution, Karakatsanis N.A., Tsoumpas H. and Zaidi H., IEEE International Conference on Imaging Systems and Techniques, Oct. 2014 (oral presentation)
  33. Enhanced quantitative PET imaging utilizing adaptive partial resolution modeling, S. Ashrafinia, H. Mohy-ud-Din, Karakatsanis N.A., Kadrmas D. and Rahmim A., J Nucl. Med. 2014; 55 (Supplement 1):371 (oral presentation)
  34. Whole-body PET parametric imaging employing direct 4D nested reconstruction and a generalized non-linear Patlak model, Karakatsanis N.A. and Rahmim A., Proc. SPIE 9033, Medical Imaging 2014: Physics of Medical Imaging, 90330Y (oral presentation)
  35. Parametric myocardial perfusion PET imaging using physiological clustering, Mohy-ud-Din H., Karakatsanis N.A., Lodge M., Tang J. and Rahmim A., Proc. SPIE 9038, Medical Imaging 2014: Biomedical Applications in Molecular, Structural, and Functional Imaging, 90380P (oral presentation)
  36. Towards continualized task-based resolution modeling in PET imaging, Ashrafinia S., Karakatsanis N.A., Mohy-ud-Din H. and Rahmim A., Proc. SPIE 9033, Medical Imaging 2014: Physics of Medical Imaging, 903327 (oral presentation)
  37. Quantitative whole-body parametric PET imaging incorporating a generalized Patlak model, Karakatsanis N.A., Zhou Y., Lodge M.A., Casey M., Wahl R.L. and Rahmim A., Proc. IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2013, Seoul, S. Korea (oral presentation)
  38. MRI Guided Myocardial Perfusion PET Image Reconstruction, Tang J., Wang X., Karakatsanis N.A., Lu L. and Rahmim A., Proc. IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2013, Seoul, S. Korea (oral presentation)
  39. Performance evaluation of the Inveon PET scanner using GATE based on the NEMA NU-4 standards, Lu L, Karakatsanis N.A., Ma J., Bian Z., Han Y, Tang J., Rahmim A. and Chen W., Proc. IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2013, Seoul, S. Korea
  40. 176-Lu Effect on the Minimum Detectable Activity Limits for a Dual Head LSO:Ce Based PET System, Efthimiou N., Loudos G., Karakatsanis N.A. and Panayiotakis G., IEEE Nuc. Sci. Symp. & Med. Imag. Conf. 2013, Seoul, S.Korea
  41. A novel imaging method for assessing vessel wall inflammation: Dynamic multi-bed PET parametric imaging, O J.H., Karakatsanis N.A., Rahmim A., Lodge M.A. and Wahl R.L., J. Nucl. Med., Vol. 54 (Suppl. 2), 1670, 2013
  42. Direct 4D whole-body PET/CT parametric image reconstruction: concept and comparison vs. indirect parametric imaging, Karakatsanis N.A., Lodge M.A., Wahl R.L. and Rahmim A, J. Nucl. Med., Vol. 54 (Suppl. 2):2133, 2013
  43. Enhanced Whole-body PET Parametric Imaging Using Hybrid Regression and Thresholding Driven by Kinetic Correlations, Karakatsanis N.A., Lodge M.A., H. Mohy-ud-Din H., Tahari A.K., Zhou Y., Wahl R.L. and Rahmim A., IEEE Proceedings of Nuclear Science Symposium and Medical Imaging Conference 2012, Anaheim, CA, USA
  44. Generalized dynamic PET inter-frame and intra-frame motion correction: phantom and human validation studies, Mohy-ud-Din H., Karakatsanis N.A., Goddard J.S., Baba J., Willis W., Tahari A.K., Wong D.F. and Rahmim A., IEEE Proceedings of Nuclear Science Symposium and Medical Imaging Conference 2012, Anaheim, CA, USA
  45. PETmodel: An SPM toolkit for parametric modeling of dynamic PET data, Endres C.J., Karakatsanis N.A., Zhou Y., Mohy-ud-Din H., Rahmim A., Proc. Intl. Symp. on Functional Neuroreceptor Mapping of the Living Brain, 2012
  46. Investigation of noise-induced correlations in dual-biomarker parametric imaging from dynamic [11C]PiB PET, Mohy-ud-Din H., Karakatsanis N.A., Price J.C., Zhou Y., Resnick S.M., Endres C.J., Wong D.F. and Rahmim A., Proc. Intl. Symp. on Functional Neuroreceptor Mapping of the Living Brain, 2012
  47. Towards Parametric Whole-Body FDG PET/CT Imaging: Potentials for Enhanced Tumor Detectability, Karakatsanis N.A., Lodge M., Zhou Y., Mhlanga J., Tahari A.K., Wahl R., and Rahmim A., J. Nucl. Med., vol. 53 (suppl. 1): 1236, 2012.
  48. 3.5D dynamic PET image reconstruction incorporating kinetics-based clusters, Lu L., Karakatsanis N.A., Tang J., Chen W. and Rahmim A., J. Nucl. Med., vol. 53 (suppl.1): 318, 2012.
  49. Implementation and evaluation of a dynamic whole-body PET/CT protocol, Lodge M.A., Rahmim A, Karakatsanis N.A., Zhou Y., Mhlanga J., Tahari A., and Wahl R., J. Nucl. Med., vol. 53 (suppl. 1): 1237, 2012.
  50. Generalized population-based input function estimation given incomplete blood sampling in quantitative dynamic FDG PET studies, Zhou Y., Zhang S., Zhang J-h., Karakatsanis N.A., Rahmnim A., Lodge M., Wahl R., Wong D., and Fu R., J. Nucl. Med., vol. 53 (suppl. 1): 380, 2012.
  51. Towards parametric whole-body imaging in clinical PET, Rahmim A., Karakatsanis N.A., Lodge M., Zhou Y., Tahari A.K. and Wahl R., Proc. Asia Oceania Congress of Nuc. Med. & Biology, vol. 20 (suppl. 1), p. 63, 2012.
  52. Dynamic Multi-Bed FDG PET Imaging: Feasibility and OptimizationKarakatsanis N.A.,  Lodge M.A., Zhou Y., Mhlanga J., Chaudhry M., Tahari A.K., Segars W.P., Wahl R.L., Rahmim A., IEEE Nuclear Science Symposium and Medical Imaging Conference 2011, Valencia, Spain
  53. Generalized inter-frame and intra-frame motion correction in PET imaging – a simulation study, Mohy-ud-Din H., Karakatsanis N.A., Ay M.R., Endres C., D. F. Wong D.F., and Rahmim A., IEEE Proceedings of Nuclear Science Symposium and Medical Imaging Conference 2011, Valencia, Spain
  54. Cluster-based priors for MAP PET image reconstruction, Lu L., Tang J., Karakatsanis N.A., Chen W., and Rahmim A., IEEE Nuclear Science Symposium and Medical Imaging Conference 2011, Valencia, Spain
  55. Recent Improvements in Geant4 Electromagnetic Physics Models and Interfaces, Ivanchenko V., Apostolakis J., Bagulya A., Abdelouahed H.B., Black R., Bogdanov A. Burkhard H., Chauvie S., Cirrone P., Cuttone G., Depaola G., Di Rosa F., Elles S., Francis Z., Grichine V., Gumplinger P., Gueye P., Incerti S., Ivanchenko A., Jacquemier J., Lechner A., Longo F., Kadr O., Karakatsanis N.A., Karamitros M., Kokoulin R., Kurashige H., Maire M., Mantero A., Mascialino B., Moscicki J., Pandola L., Perl J., Petrovic I., Ristic-Fira A., Romano F., Russo G., Santin G., Schaelicke A.,  Toshito T., Tran H., Yamashit T., and Zacharatou C.  Progress in Nuclear Science and Technology 2011 – 3th Monte Carlo Conference MC2010, Tokyo : Japan (2010) p. 898-903 [download]
  56. Study of the effect of magnetic field in positron range using GATE simulation toolkit, Soultanidis G., Karakatsanis N.A., Nikiforidis G., Loudos G., International Conference on Image Optimisation in Nuclear Medicine, J. Phys.: Conf. Ser. 317 012021
  57. A Methodology for Optimizing the Acquisition Time of a Clinical PET Scan Using GATE, Karakatsanis N.A., Loudos G. and Nikita S.K., IEEE Nuclear Science Symposium and Medical Imaging Conference 2009, Orlando, FL, USA.
  58. A Simulation Model of the Counting-Rate Response of Clinical PET Systems and It’s Application to Optimize the Injected Dose, Karakatsanis N.A., Nikita K.S., 6th IEEE International Symposium on Biomedical Imaging: from nano to macro, June 2009, Boston, MA, USA. (oral presentation)
  59. A Simulation Study of the Counting-Rate Performance of Clinical PET Systems Applying a Methodology for Optimizing the Injected Dose, Karakatsanis N.A., Parasyris A., Loudos G., Nikita K.S., IEEE Nuclear Science Symposium and Medical Imaging Conference 2008, Dresden, Germany.
  60. A study of the parameters affecting minimum detectable activity concentration level of clinical LSO PET scanners, Karakatsanis N.A., Nikita K.S., 8th IEEE International Conference on BioInformatics and BioEngineering, 2008 (BIBE 2008), Athens 8-10 Oct. 2008
  61. A Simulation Study for Optimizing the Injected Dose of Clinical PET systemsKarakatsanis N.A., Parasyris A., Loudos G., Nikita S. K., IEEE International Workshop on Imaging Systems and Techniques, IST 2008, Chania, Greece, 7-9 September 2008 (oral presentation)
  62. System Sensitivity In Preclinical Small Animal Imaging, Chatziioannou A.F., Bao Q., Karakatsanis N.A., 5th IEEE International Symposium on Biomedical Imaging: from nano to macro, Paris, May 2008 (oral presentation)
  63. Investigation of the Minimum Detectable Activity Level of a Preclinical LSO PET Scanner,  Karakatsanis N.A., Q. Bao Q., Chatziioannou A.F., IEEE Nuclear Science Symposium and Medical Imaging Conference 2007, Hawaii, USA
  64. GATE simulations for small animal SPECT/PET using voxelized phantoms and rotating-head detectors, Sakellios N., Rubio J.L., Karakatsanis N.A., Kontaxakis G., Loudos G., Santos A., Nikita K., Majewski S., IEEE MIC-NSS Conference 2006, San Diego.
  65. Towards the Efficient Simulation of Emission Tomography Clinical Trials, Loudos G., Karakatsanis N.A., Charalambos T., Kontaxakis G., 3rd International Greek Biotechnology Forum, 5-7 October 2006, Athinais, Athens. (oral presentation)
  66. Validation of a Monte Carlo model for the simulation of the Siemens PET/CT biograph 6 scanner, using GATE, Gonias P., Bertsekas N., Karakatsanis N.A., Saatsakis G., Nikolopoulos D., Loudos G., Sakellios N., Tsantilas X., Gaitanis A., Papaspyrou L., Daskalakis A., Liaparinos P., Louizi A., Cavouras D., Panayiotakis G.S., Kandarakis I., EANM’06 – Annual Congress of the European Association of Nuclear Medicine, September 30 – October 4, 2006 in Athens, Greece (oral presentation)
  67. Validation οf a GΑΤΕ model for the simulation of the scatter fraction and count rate performance of the Siemens PET Biograph 6 scanner,  Gonias P., Bertsekas N., Karakatsanis N.A., Saatsakis G., Nikolopoulos D., Loudos G., Sakellios N., Gaitanis A., Papaspyrou L., Daskalakis A., Liaparinos P., Cavouras D., Kandarakis I., Panayiotakis G.S., 2nd International Conference From Scientific Computing to Computational Engineering, 2nd IC-SCCE, Athens, 5-8 July, 2006 (oral presentation)
  68. Validation of a GATE model for the simulation of the Siemens PET/CT biograph 6 scanner, Gonias P., Bertsekas N., Saatsakis, Nikolopoulos D., Tsantilas X., Loudos G., Sakellios N., Karakatsanis N.A., Gaitanis A., Papaspyrou L., Daskalakis A., Liaparinos D., Cavouras D., Kandarakis, Panayiotakis G.S.,  Euromedim 2006, 1st European Conference on Molecular Imaging Technology, Marseille, France, 9-12 May 2006.
  69. A Comparative Evaluation of two commercial PET Scanners using GATE, Karakatsanis N.A., Sakellios N., Tsantilas X., Dikaios N., Tsoumpas C., Nikita K., Lazaro D., Loudos G., Louizi A., Valais I., Nikolopoulos D., Malamitsi J., Kandarakis I., 3rd International Conference on Imaging Technologies in Biomedical Sciences: ITBS2005, Milos Island, Greece, 25-28 September 2005. (oral presentation)
  70. The effect of crystal thickness and x-ray tube voltage on the light emission properties of CsI:Tl scintillator under x-ray excitation, I. Valais, Kalivas N., Konstantinidis A., Loudos G., Sakellios N., Karakatsanis N.A., Nikita K., Sianoudis I., Giokaris N. , Cavouras D., Nomicos C., Dimitropoulos N., Panayiotakis G., Kandarakis I., 3rd International Conference on Imaging Technologies in Biomedical Sciences: ITBS2005, Milos Island, Greece, 25-28 September 2005.
  71. Partially slotted crystals for a high-resolution γ-camera based on a position sensitive photomultiplier, Giokaris N., Loudos G., Maintas D., Karabarbounis A., Lembesi M., Spanoudaki V., Stiliaris E., Boukis S., Sakellios N., Karakatsanis N.A., Gektin A., Boyarintsev A., Pedash V., Gayshan V., 3rd International Conference on Imaging Technologies in Biomedical Sciences: ITBS2005, Milos Island, Greece, 25-28 September 2005.
  72. Simulation of commercial PET scanners with GATE Monte Carlo simulation package, Tsantilas X., Louizi A., Valais J., Nikolopoulos D., Sakellios N., Karakatsanis N.A., Loudos G., Nikita K., Malamitsi J., Kandarakis I., 14th International Conference on Medical Physics, Nuremberg, Germany, Sept. 14-17, 2005.

White Papers

  1. Combined 18F-FDG PET/MR for Enhanced Imaging of Active Cardiac Sarcoidosis, Karakatsanis N.A., Dweck M.R., Abgral R., Trivieri M.G., Robson P.M.,Kovacic J.C., and Fayad Z.A., MAGNETOM Flash | Clinical Cardiology (67) 1/2017
  2. Combined FDG-PET/MR in the Diagnostic Work-up of Myocardial Disease, Trivieri M.G., Dweck M.R., Robson P.M., Karakatsanis N.A., Abgral R., and Fayad Z.A., MAGNETOM Flash | Clinical Cardiology (67) 1/2017
  3. Coronary MR/PET of Micro-Calcification in Atherosclerosis, Robson P.M., Dweck M.R., Trivieri M.G., Abgral R., Karakatsanis N.A., and Fayad Z.A., MAGNETOM Flash | Clinical Cardiovascular Imaging (66) 3/2016
  4. Motion Correction of 90Y Dose Maps with PET/MR Imaging, Karakatsanis N.A., Eldib M., Oesingmann N., Faul D.D., Kostakoglu L., Knesaurek K., and Fayad Z.A. MAGNETOM Flash | Clinical Abdominal Imaging (66) 3/2016

WARNING:This directory contains articles that may be covered by copyright. You may browse the articles at your convenience, in the same spirit as you may read a journal or a proceedings article in a public library. Retrieving, copying, or distributing these files may violate copyright protection laws.

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