| Multicenter cross-calibration of I-123 metaiodobenzylguanidine heart-to-mediastinum ratios to overcome camera-collimator variations K Nakajima, K Okuda, M Yoshimura, S Matsuo, H Wakabayashi, ... Journal of Nuclear Cardiology 21 (5), 970-978, 2014 | 148 | 2014 |
| Normal values and standardization of parameters in nuclear cardiology: Japanese Society of Nuclear Medicine working group database K Nakajima, N Matsumoto, T Kasai, S Matsuo, K Kiso, K Okuda Annals of nuclear medicine 30, 188-199, 2016 | 114 | 2016 |
| Semi-automated algorithm for calculating heart-to-mediastinum ratio in cardiac Iodine-123 MIBG imaging K Okuda, K Nakajima, T Hosoya, T Ishikawa, T Konishi, K Matsubara, ... Journal of Nuclear Cardiology 18 (1), 82-89, 2011 | 106 | 2011 |
| Standardization of metaiodobenzylguanidine heart to mediastinum ratio using a calibration phantom: effects of correction on normal databases and a multicentre study K Nakajima, K Okuda, S Matsuo, M Yoshita, J Taki, M Yamada, S Kinuya European journal of nuclear medicine and molecular imaging 39, 113-119, 2012 | 103 | 2012 |
| Comparison of phase dyssynchrony analysis using gated myocardial perfusion imaging with four software programs: Based on the Japanese Society of Nuclear Medicine working group … K Nakajima, K Okuda, S Matsuo, K Kiso, S Kinuya, EV Garcia Journal of Nuclear Cardiology 24 (2), 611-621, 2017 | 86 | 2017 |
| Diagnostic accuracy of an artificial neural network compared with statistical quantitation of myocardial perfusion images: a Japanese multicenter study K Nakajima, T Kudo, T Nakata, K Kiso, T Kasai, Y Taniguchi, S Matsuo, ... European journal of nuclear medicine and molecular imaging 44, 2280-2289, 2017 | 73 | 2017 |
| Correction of iodine-123-labeled meta-iodobenzylguanidine uptake with multi-window methods for standardization of the heart-to-mediastinum ratio K Nakajima, K Matsubara, T Ishikawa, N Motomura, R Maeda, N Akhter, ... Journal of Nuclear Cardiology 14, 843-851, 2007 | 66 | 2007 |
| The importance of population-specific normal database for quantification of myocardial ischemia: comparison between Japanese 360 and 180-degree databases and a US database K Nakajima, K Okuda, M Kawano, S Matsuo, P Slomka, G Germano, ... Journal of nuclear cardiology 16, 422-430, 2009 | 65 | 2009 |
| Improved quantification of small hearts for gated myocardial perfusion imaging K Nakajima, K Okuda, K Nyström, J Richter, D Minarik, H Wakabayashi, ... European journal of nuclear medicine and molecular imaging 40, 1163-1170, 2013 | 57 | 2013 |
| A European myocardial 123I-mIBG cross-calibration phantom study DO Verschure, E Poel, K Nakajima, K Okuda, BLF van Eck-Smit, ... Journal of Nuclear Cardiology 25 (4), 1191-1197, 2018 | 53 | 2018 |
| Nuclear myocardial perfusion imaging using thallium-201 with a novel multifocal collimator SPECT/CT: IQ-SPECT versus conventional protocols in normal subjects S Matsuo, K Nakajima, M Onoguchi, H Wakabayash, K Okuda, S Kinuya Annals of nuclear medicine 29, 452-459, 2015 | 42 | 2015 |
| Diagnostic performance of artificial neural network for detecting ischemia in myocardial perfusion imaging K Nakajima, S Matsuo, H Wakabayashi, K Yokoyama, H Bunko, K Okuda, ... Circulation Journal 79 (7), 1549-1556, 2015 | 40 | 2015 |
| Experimental evaluation of the GE NM/CT 870 CZT clinical SPECT system equipped with WEHR and MEHRS collimator T Ito, Y Matsusaka, M Onoguchi, H Ichikawa, K Okuda, T Shibutani, ... Journal of applied clinical medical physics 22 (2), 165-177, 2021 | 39 | 2021 |
| Assessment of olfactory nerve by SPECT-MRI image with nasal thallium-201 administration in patients with olfactory impairments in comparison to healthy volunteers H Shiga, J Taki, K Washiyama, J Yamamoto, S Kinase, K Okuda, S Kinuya, ... PLoS One 8 (2), e57671, 2013 | 39 | 2013 |
| Standardization of the heart-to-mediastinum ratio of 123I-labelled-metaiodobenzylguanidine uptake using the dual energy window method: feasibility of correction … S Matsuo, K Nakajima, K Okuda, M Kawano, T Ishikawa, T Hosoya, J Taki, ... European journal of nuclear medicine and molecular imaging 36, 560-566, 2009 | 38 | 2009 |
| Comparison of diagnostic performance of four software packages for phase dyssynchrony analysis in gated myocardial perfusion SPECT K Okuda, K Nakajima, S Matsuo, S Kashiwaya, H Yoneyama, T Shibutani, ... EJNMMI research 7, 1-9, 2017 | 36 | 2017 |
| Optimization of iterative reconstruction parameters with attenuation correction, scatter correction and resolution recovery in myocardial perfusion SPECT/CT K Okuda, K Nakajima, M Yamada, H Wakabayashi, H Ichikawa, H Arai, ... Annals of nuclear medicine 28, 60-68, 2014 | 36 | 2014 |
| Characterization of Japanese standards for myocardial sympathetic and metabolic imaging in comparison with perfusion imaging S Matsuo, K Nakajima, S Yamashina, K Sakata, M Momose, J Hashimoto, ... Annals of nuclear medicine 23, 517-522, 2009 | 33 | 2009 |
| Artificial neural network retrained to detect myocardial ischemia using a Japanese multicenter database K Nakajima, K Okuda, S Watanabe, S Matsuo, S Kinuya, K Toth, ... Annals of nuclear medicine 32, 303-310, 2018 | 32 | 2018 |
| Cause of apical thinning on attenuation-corrected myocardial perfusion SPECT K Okuda, K Nakajima, S Matsuo, H Wakabayashi, J Taki, S Kinuya Nuclear medicine communications 32 (11), 1033-1039, 2011 | 32 | 2011 |