Daisuke Utsunomiya

Summary

Affiliation: Kumamoto University
Country: Japan

Publications

  1. doi request reprint Relationship between diverse patient body size- and image acquisition-related factors, and quantitative and qualitative image quality in coronary computed tomography angiography: a multicenter observational study
    Daisuke Utsunomiya
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1, Honjo, Chuo Ku, Kumamoto City, 860 8556, Japan
    Jpn J Radiol 34:548-55. 2016
  2. doi request reprint Effect of hybrid iterative reconstruction technique on quantitative and qualitative image analysis at 256-slice prospective gating cardiac CT
    Daisuke Utsunomiya
    Department of Cardiology, Cardiovascular Research Institute, Washington Hospital Center, 110 Irving Street, Washington DC, NW 20010, USA
    Eur Radiol 22:1287-94. 2012
  3. doi request reprint Comparison of standard- and low-tube voltage MDCT angiography in patients with peripheral arterial disease
    Daisuke Utsunomiya
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1 1 1, Honjo, Kumamoto shi, Kumamoto, 860 8556, Japan
    Eur Radiol 20:2758-65. 2010
  4. doi request reprint Baseline incidence and severity of renal insufficiency evaluated by estimated glomerular filtration rates in patients scheduled for contrast-enhanced CT
    Daisuke Utsunomiya
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Japan
    Acta Radiol 52:581-6. 2011
  5. doi request reprint Multidetector computed tomography evaluation of coronary plaque morphology in patients with stable angina
    Daisuke Utsunomiya
    Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto, Kumamoto 860 0811, Japan
    Heart Vessels 26:392-8. 2011
  6. doi request reprint Reducing the Radiation Dose for CT Colonography: Effect of Low Tube Voltage and Iterative Reconstruction
    Sadahiro Yamamura
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Chuo Ku, Kumamoto 860 8556, Japan
    Acad Radiol 23:155-62. 2016
  7. doi request reprint A quantitative index measured on ⁹⁹mTc GSA SPECT/CT 3D fused images to evaluate severe fibrosis in patients with chronic liver disease
    Morikatsu Yoshida
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
    Jpn J Radiol 30:435-41. 2012
  8. doi request reprint Reduction of metallic coil artefacts in computed tomography body imaging: effects of a new single-energy metal artefact reduction algorithm
    Masafumi Kidoh
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1, Honjo, Kumamoto, 860 8556, Japan
    Eur Radiol 26:1378-86. 2016
  9. doi request reprint Effect of iterative reconstruction on variability and reproducibility of epicardial fat volume quantification by cardiac CT
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Chuo Ku, Kumamoto, 860 8556, Japan Electronic address
    J Cardiovasc Comput Tomogr 10:150-5. 2016
  10. doi request reprint Low contrast- and low radiation dose protocol for cardiac CT of thin adults at 256-row CT: usefulness of low tube voltage scans and the hybrid iterative reconstruction algorithm
    Takeshi Nakaura
    Diagnostic Radiology, Amakusa Medical Center, Kameba 854 1, Amakusa, Kumamoto 863 0046, Japan
    Int J Cardiovasc Imaging 29:913-23. 2013

Collaborators

Detail Information

Publications95

  1. doi request reprint Relationship between diverse patient body size- and image acquisition-related factors, and quantitative and qualitative image quality in coronary computed tomography angiography: a multicenter observational study
    Daisuke Utsunomiya
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1, Honjo, Chuo Ku, Kumamoto City, 860 8556, Japan
    Jpn J Radiol 34:548-55. 2016
    ..We investigated the effects of patient- and image acquisition-related factors on the image quality in coronary CT angiography (CCTA)...
  2. doi request reprint Effect of hybrid iterative reconstruction technique on quantitative and qualitative image analysis at 256-slice prospective gating cardiac CT
    Daisuke Utsunomiya
    Department of Cardiology, Cardiovascular Research Institute, Washington Hospital Center, 110 Irving Street, Washington DC, NW 20010, USA
    Eur Radiol 22:1287-94. 2012
    ..To evaluate the effect of hybrid iterative reconstruction on qualitative and quantitative parameters at 256-slice cardiac CT...
  3. doi request reprint Comparison of standard- and low-tube voltage MDCT angiography in patients with peripheral arterial disease
    Daisuke Utsunomiya
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1 1 1, Honjo, Kumamoto shi, Kumamoto, 860 8556, Japan
    Eur Radiol 20:2758-65. 2010
    ..We investigated the effect of low-tube-voltage CT angiography with a reduced volume of contrast agent on qualitative and quantitative parameters and the radiation dose in patients with peripheral arterial disease...
  4. doi request reprint Baseline incidence and severity of renal insufficiency evaluated by estimated glomerular filtration rates in patients scheduled for contrast-enhanced CT
    Daisuke Utsunomiya
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Japan
    Acta Radiol 52:581-6. 2011
    ....
  5. doi request reprint Multidetector computed tomography evaluation of coronary plaque morphology in patients with stable angina
    Daisuke Utsunomiya
    Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto, Kumamoto 860 0811, Japan
    Heart Vessels 26:392-8. 2011
    ..365, P = 0.003, respectively). In conclusion, coronary CT angiography is useful for the identification of morphological differences between ischemia-related and nonischemia-related plaques in patients with stable coronary artery disease...
  6. doi request reprint Reducing the Radiation Dose for CT Colonography: Effect of Low Tube Voltage and Iterative Reconstruction
    Sadahiro Yamamura
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Chuo Ku, Kumamoto 860 8556, Japan
    Acad Radiol 23:155-62. 2016
    ..The purpose of this study was to assess the effect of a low-tube-voltage technique and iterative reconstruction (IR) on the radiation dose and image quality of computed tomography colonography (CTC)...
  7. doi request reprint A quantitative index measured on ⁹⁹mTc GSA SPECT/CT 3D fused images to evaluate severe fibrosis in patients with chronic liver disease
    Morikatsu Yoshida
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
    Jpn J Radiol 30:435-41. 2012
    ....
  8. doi request reprint Reduction of metallic coil artefacts in computed tomography body imaging: effects of a new single-energy metal artefact reduction algorithm
    Masafumi Kidoh
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1, Honjo, Kumamoto, 860 8556, Japan
    Eur Radiol 26:1378-86. 2016
    ..We evaluated the effect of a single-energy metal artefact reduction (SEMAR) algorithm for metallic coil artefact reduction in body imaging...
  9. doi request reprint Effect of iterative reconstruction on variability and reproducibility of epicardial fat volume quantification by cardiac CT
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Chuo Ku, Kumamoto, 860 8556, Japan Electronic address
    J Cardiovasc Comput Tomogr 10:150-5. 2016
    ..The epicardial fat volume (EFV) measured by cardiac CT has emerged as an important parameter for understanding the pathophysiology of coronary atherosclerosis...
  10. doi request reprint Low contrast- and low radiation dose protocol for cardiac CT of thin adults at 256-row CT: usefulness of low tube voltage scans and the hybrid iterative reconstruction algorithm
    Takeshi Nakaura
    Diagnostic Radiology, Amakusa Medical Center, Kameba 854 1, Amakusa, Kumamoto 863 0046, Japan
    Int J Cardiovasc Imaging 29:913-23. 2013
    ..8 HU ± 3.1, p = 0.53). The low kVp scan and hybrid-iterative reconstruction algorithm can dramatically decrease the radiation dose and contrast dose with adequate image quality at cardiac CT of thin adults using a 256-row CT scanner...
  11. doi request reprint Evaluation of the Effect of Intracoronary Attenuation on Coronary Plaque Measurements Using a Dual-phase Coronary CT Angiography Technique on a 320-row CT Scanner--In Vivo Validation Study
    Masafumi Kidoh
    Department of Diagnostic Radiology, Kumamoto University, 1 1 1, Honjo, Kumamoto 860 8556, Japan Electronic address
    Acad Radiol 23:315-20. 2016
    ..We attempted to validate this finding in vivo and here we introduce a dual-phase coronary CT angiography (CCTA) technique to address this issue...
  12. doi request reprint Three-dimensional computed tomographic angiography of the liver for planning hepatic surgery: effect of low tube voltage and the iterative reconstruction algorithm on image quality
    Keiichi Honda
    From the Department of Radiology, Kumamoto Chuo Hospital, Kumamoto, Japan Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan Department of Surgery, Kumamoto Chuo Hospital, Kumamoto, Japan and Department of Medical Physics, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
    J Comput Assist Tomogr 38:131-6. 2014
    ..The aim of this study was to evaluate the effect of a low tube voltage technique and hybrid iterative reconstruction (HIR) on image quality at 3-dimensional computed tomographic angiography (3D-CTA) of the liver...
  13. ncbi request reprint Object-specific attenuation correction at SPECT/CT in thorax: optimization of respiratory protocol for image registration
    Daisuke Utsunomiya
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
    Radiology 237:662-9. 2005
    ..CT data acquisition with a free-breathing or postexhalation breath-hold protocol and image registration by using internal landmarks are recommended for attenuation correction...
  14. doi request reprint A low tube voltage technique reduces the radiation dose at retrospective ECG-gated cardiac computed tomography for anatomical and functional analyses
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Kumamoto, 860 8556, Japan
    Acad Radiol 18:991-9. 2011
    ..To investigate the effect of low-tube-voltage technique on a cardiac computed tomography (CT) for coronary arterial and cardiac functional analyses and radiation dose in slim patients...
  15. ncbi request reprint Cardiac 16-MDCT for anatomic and functional analysis: assessment of a biphasic contrast injection protocol
    Daisuke Utsunomiya
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, 5 3 1 Chikami, Kumamoto shi, Kumamoto 861 4193, Japan
    AJR Am J Roentgenol 187:638-44. 2006
    ..The purpose of this study was to determine the optimal contrast injection protocol for clear delineation of the endocardial and epicardial contours and coronary vessels in anatomic and functional imaging with cardiac 16-MDCT...
  16. doi request reprint Effects of dual-energy subtraction chest radiography on detection of small pulmonary nodules with varying attenuation: receiver operating characteristic analysis using a phantom study
    Seitaro Oda
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, Honjo, Kumamoto, Japan
    Jpn J Radiol 28:214-9. 2010
    ..The aim of this study was to investigate the detectability of simulated pulmonary nodules with different X-ray attenuation by flat-panel detector (FPD) chest radiography using a dual-exposure dual-energy subtraction (DES) technique...
  17. doi request reprint A knowledge-based iterative model reconstruction algorithm: can super-low-dose cardiac CT be applicable in clinical settings?
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Chuo Ku, Kumamoto, 860 8556, Japan Electronic address
    Acad Radiol 21:104-10. 2014
    ..To investigate whether "full" iterative reconstruction, a knowledge-based iterative model reconstruction (IMR), enables radiation dose reduction by 80% at cardiac computed tomography (CT)...
  18. doi request reprint Can sufficient preoperative information of intracranial aneurysms be obtained by using 320-row detector CT angiography alone?
    Eri Hayashida
    Department of Radiology, Saiseikai Kumamoto Hospital, 5 3 1 Chikami, Kumamoto, 861 4193, Japan
    Jpn J Radiol 31:600-7. 2013
    ..To determine whether sufficient pre-surgical treatment information of unruptured intracranial aneurysms can be obtained by using 320-row detector CT angiography (CTA) alone...
  19. doi request reprint Dynamic computed tomography of locally advanced pancreatic cancer: effect of low tube voltage and a hybrid iterative reconstruction algorithm on image quality
    Sadahiro Yamamura
    From the Departments of Diagnostic Radiology, Medical Physics, and Gastroenterological Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
    J Comput Assist Tomogr 37:790-6. 2013
    ..The objective of this study was to evaluate the effect of a low-tube-voltage technique and hybrid iterative reconstruction (HIR) on image quality at dynamic computed tomography (CT) of the pancreas...
  20. doi request reprint Comparison of 3D phase-sensitive inversion-recovery and 2D inversion-recovery MRI at 3.0 T for the assessment of late gadolinium enhancement in patients with hypertrophic cardiomyopathy
    Kosuke Morita
    Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
    Acad Radiol 20:752-7. 2013
    ....
  21. doi request reprint Coronary artery stent evaluation by combining iterative reconstruction and high-resolution kernel at coronary CT angiography
    Yoshinori Funama
    Department of Medical Physics, Faculty of Life Sciences, Kumamoto University, Kuhonji, Japan
    Acad Radiol 19:1324-31. 2012
    ..To evaluate stent lumen visualization by combining high-resolution cardiac kernel and the iterative reconstruction (iDose) on an anthropomorphic moving heart phantom and in patients at coronary computed tomography (CT) angiography...
  22. doi request reprint A hybrid iterative reconstruction algorithm that improves the image quality of low-tube-voltage coronary CT angiography
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Japan
    AJR Am J Roentgenol 198:1126-31. 2012
    ..We investigated whether a hybrid iterative reconstruction (HIR) algorithm improves image quality at low-tube-voltage coronary CT angiography (CTA) compared with filtered back projection (FBP)...
  23. doi request reprint Chronological evaluation of liver enhancement in patients with chronic liver disease at Gd-EOB-DTPA-enhanced 3-T MR imaging: does liver function correlate with enhancement?
    Shinichi Nakamura
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Kumamoto 860 8556, Japan
    Jpn J Radiol 30:25-33. 2012
    ..To investigate the chronological relationship between scan delay and liver enhancement for the hepatobiliary phase on Gd-EOB-DTPA-enhanced MRI and evaluate the effects of liver function on liver enhancement...
  24. doi request reprint Indirect computed tomography venography with a low-tube-voltage technique: reduction in the radiation and contrast material dose--a prospective randomized study
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
    J Comput Assist Tomogr 35:631-6. 2011
    ..The objective of the study was to investigate the effects of low-tube-voltage computed tomography (CT) venography on qualitative and quantitative image parameters and the radiation dose...
  25. doi request reprint Uniform vascular enhancement of lower-extremity artery on CT angiography using test-injection monitoring at the central level of the scan range: a simulation flow phantom study with clinical correlation
    Kie Shimizu
    Central Radiology, Kumamoto University, Kumamoto shi, Kumamoto, 860 8556, Japan
    Acad Radiol 17:1153-7. 2010
    ..To evaluate the efficacy of variable contrast injection durations and scanning delay determined by test injection analysis of computed tomography angiography (CTA) of peripheral arteries...
  26. doi request reprint Low-tube-voltage selection for non-contrast-enhanced CT: Comparison of the radiation dose in pediatric and adult phantoms
    Toshiaki Shimonobo
    Department of Radiology, Kumamoto University Hospital, Kumamoto, Japan
    Phys Med 32:197-201. 2016
    ..We also discuss the optimal low tube voltage for non-contrast-enhanced CT...
  27. doi request reprint Timing of the hepatic arterial phase at Gd-EOB-DTPA-enhanced hepatic dynamic MRI: comparison of the test-injection and the fixed-time delay method
    Shinichi Nakamura
    Department of Diagnostic Radiology, Amakusa Regional Medical Center, Kumamoto, Japan
    J Magn Reson Imaging 38:548-54. 2013
    ..To compare the fixed-time- and the test-injection method with respect to the image quality of hypervascular hepatocellular carcinoma (HCC) and the adequacy of timing of the hepatic arterial phase (HAP) in Gd-EOB-DTPA (EOB) enhanced MRI...
  28. ncbi request reprint Evaluation of deep vein thrombosis with reduced radiation and contrast material dose at computed tomography venography: clinical application of a combined iterative reconstruction and low-tube-voltage technique
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
    Circ J 76:2614-22. 2012
    ..A low-tube-voltage technique with iterative reconstruction may overcome this problem. The aim of this study was to investigate the effects of hybrid iterative reconstruction (HIR) on image quality at low-tube-voltage CTV...
  29. pmc Combination of a low-tube-voltage technique with hybrid iterative reconstruction (iDose) algorithm at coronary computed tomographic angiography
    Yoshinori Funama
    Department of Medical Physics, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
    J Comput Assist Tomogr 35:480-5. 2011
    ..Image quality was the same or better despite a reduction in the radiation dose by 76% compared with standard tube voltage with FBP...
  30. doi request reprint Low-dose contrast protocol using the test bolus technique for 64-detector computed tomography coronary angiography
    Takeshi Nakaura
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto 860 8556, Japan
    Jpn J Radiol 29:457-65. 2011
    ..We evaluated low-contrast injection protocols for coronary computed tomography angiography (CTA) using a 64-detector scanner and the test bolus technique...
  31. doi request reprint Contrast material injection protocol with the dose adjusted to the body surface area for MDCT aortography
    Yumi Yanaga
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto 860 8556, Japan
    AJR Am J Roentgenol 194:903-8. 2010
    ..The objective of our study was to investigate the effect on aortic enhancement of contrast material volumes adjusted for a patient's body surface area (BSA) at CT angiography (CTA)...
  32. ncbi request reprint In vitro evaluation of metallic coronary artery stents with sub-millimeter multi-slice computed tomography using an ECG-gated cardiac phantom: relationship between in-stent visualization and stent type
    Daisuke Utsunomiya
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, Kumamoto, Japan
    Cardiology 107:254-60. 2007
    ..Stents with slim struts are preferable for in-stent evaluation with multi-slice spiral computed tomography...
  33. ncbi request reprint Attenuation correction using combination of a parallel hole collimator and an uncollimated non-uniform line array source
    Akihiro Kojima
    Institute of Resource Development and Analysis, Kumamoto University, Japan
    Ann Nucl Med 18:385-90. 2004
    ..In conclusion, for the TCT imaging with combination of the parallel hole collimator and uncollimated Tc-99m external source the non-uniform LAS can reduce the Tc-99m radioactivity or the TCT scanning time compared with the uniform LAS...
  34. ncbi request reprint Additive value of 320-section low-dose dynamic volume CT in relation to 3-T MRI for the preoperative evaluation of brain tumors
    Eri Hayashida
    Departments of Diagnostic Radiology, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto, 860 8556, Japan
    Jpn J Radiol 34:691-699. 2016
    ..To assess whether 320-section low-dose dynamic volume computed tomography (320-LDVCT) with adaptive iterative dose reduction (AIDR) adds value to 3-T MRI for the preoperative evaluation of brain tumors...
  35. doi request reprint The Influence of Iterative Reconstruction on Coronary Artery Calcium Scoring-Phantom and Clinical Studies
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Chuo Ku, Kumamoto 860 8556, Japan Electronic address
    Acad Radiol . 2016
    ..We compared the effect of iterative model reconstruction (IMR), filtered back projection (FBP), and hybrid iterative reconstruction (HIR) on coronary artery calcium (CAC) scoring...
  36. ncbi request reprint Radiation dose reduction using 100-kVp and a sinogram-affirmed iterative reconstruction algorithm in adolescent head CT: Impact on grey-white matter contrast and image noise
    Yasunori Nagayama
    Department of Radiology, Kumamoto City Hospital, 1 1 60, Koto, Higashi ku, Kumamoto, 862 0909, Japan
    Eur Radiol . 2016
    ..To retrospectively evaluate the image quality and radiation dose of 100-kVp scans with sinogram-affirmed iterative reconstruction (IR) for unenhanced head CT in adolescents...
  37. doi request reprint CT Angiography in Patients with Peripheral Arterial Disease: Effect of Small Focal Spot Imaging and Iterative Model Reconstruction on the Image Quality
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Chuou ku, Kumamoto 860 8556, Japan Electronic address
    Acad Radiol 23:1283-9. 2016
    ..We investigated the effects of small focal spot (SFS) imaging and iterative model reconstruction (IMR) on the image quality of computed tomography angiographs (CTA) in patients with peripheral arterial disease...
  38. ncbi request reprint Breast dose reduction for chest CT by modifying the scanning parameters based on the pre-scan size-specific dose estimate (SSDE)
    Masafumi Kidoh
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1, Honjo, Kumamoto, 860 8556, Japan
    Eur Radiol . 2016
    ..To investigate the usefulness of modifying scanning parameters based on the size-specific dose estimate (SSDE) for a breast-dose reduction for chest CT...
  39. doi request reprint Clinical impact of model-based type iterative reconstruction with fast reconstruction time on image quality of low-dose screening chest CT
    Hideaki Yuki
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
    Acta Radiol 57:295-302. 2016
    ..Model-based type iterative reconstruction algorithms with fast reconstruction times are now available. The clinical feasibility of their reconstruction has not been evaluated adequately...
  40. doi request reprint Improved image quality at 256-slice coronary CT angiography in patients with a high heart rate and coronary artery disease: comparison with 64-slice CT imaging
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
    Acta Radiol 56:1308-14. 2015
    ..The performance of scanners that feature a rotation speed of 270 ms at coronary CT angiography (CCTA) has not been evaluated in patients with a higher heart rate...
  41. doi request reprint Value of knowledge-based iterative model reconstruction in low-kV 256-slice coronary CT angiography
    Hideaki Yuki
    Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1, Honjo, Chuo Ku, Kumamoto shi, Kumamoto, 860 8556, Japan
    J Cardiovasc Comput Tomogr 8:115-23. 2014
    ..Most current iterative reconstruction algorithms for CT imaging are a mixture of iterative reconstruction and filtered back projection. The value of "fully" iterative reconstruction in coronary CT angiography remains poorly understood...
  42. doi request reprint Improved coronary in-stent visualization using a combined high-resolution kernel and a hybrid iterative reconstruction technique at 256-slice cardiac CT-Pilot study
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Kumamoto 860 8556, Japan
    Eur J Radiol 82:288-95. 2013
    ..To investigate the diagnostic performance of 256-slice cardiac CT for the evaluation of the in-stent lumen by using a hybrid iterative reconstruction (HIR) algorithm combined with a high-resolution kernel...
  43. doi request reprint Improvement of image quality at low-radiation dose and low-contrast material dose abdominal CT in patients with cirrhosis: intraindividual comparison of low tube voltage with iterative reconstruction algorithm and standard tube voltage
    Tomohiro Namimoto
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
    J Comput Assist Tomogr 36:495-501. 2012
    ....
  44. ncbi request reprint Mutidetector-row CT and quantitative gated SPECT for the assessment of left ventricular function in small hearts: the cardiac physical phantom study using a combined SPECT/CT system
    Daisuke Utsunomiya
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, 5 3 1 Chikami, Kumamoto shi, Kumamoto, 861 4101, Japan
    Eur Radiol 16:1818-25. 2006
    ..The differences in true and measured values for EF and ESV obtained with QGS were significantly greater than obtained with MDCT...
  45. ncbi request reprint Images in cardiovascular medicine. Fusion imaging between myocardial perfusion single photon emission computed tomography and cardiac computed tomography
    Takeshi Nakaura
    Department of Radiology, Kumamoto University School of Medicine, Kumamoto, Japan
    Circulation 112:e47-8. 2005
  46. doi request reprint Reduction of contrast material volume in 3D angiography of the brain using MDCT
    Yoshitaka Tamura
    Department of Diagnostic Radiology, Kumamoto University, Kumamoto shi, Japan
    AJR Am J Roentgenol 195:455-8. 2010
    ..Our aim was to investigate the image quality of MDCT angiography of the brain at a low-volume of contrast material...
  47. ncbi request reprint Three-dimensional cardiac image fusion using new CT angiography and SPECT methods
    Takeshi Nakaura
    Department of Radiology, Kumamoto University School of Medicine, 1 1 1, Honjo, Kumamoto, Kumamoto 860 8556, Japan
    AJR Am J Roentgenol 185:1554-7. 2005
    ..The purpose of this study was to develop a method of fused images of coronary CT angiography and myocardial perfusion SPECT...
  48. pmc Late gadolinium enhancement on cardiac magnetic resonance predicts coronary vasomotor abnormality and myocardial lactate production in patients with chronic heart failure
    Tomoaki Uemura
    Departments of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto, 860 8556, Japan
    Heart Vessels 31:1969-1979. 2016
    ..07-33.86). ACh-provoked coronary vasomotor abnormality is closely correlated with myocardial fibrosis in patients with HF but without organic coronary stenosis. Coronary vasomotor abnormalities in fibrotic myocardium may worsen HF...
  49. doi request reprint Using 80 kVp on a 320-row scanner for hepatic multiphasic CT reduces the contrast dose by 50 % in patients at risk for contrast-induced nephropathy
    Narumi Taguchi
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Chuou ku, Kumamoto, 860 8556, Japan
    Eur Radiol 27:812-820. 2017
    ..We evaluated the effects of a low contrast material (CM) dose protocol using 80-kVp on the image quality of hepatic multiphasic CT scans acquired on a 320-row CT scanner...
  50. doi request reprint 256-Slice coronary computed tomographic angiography in patients with atrial fibrillation: optimal reconstruction phase and image quality
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Chuou ku, Kumamoto, 860 8556, Japan
    Eur Radiol 26:55-63. 2016
    ..To assess the optimal reconstruction phase and the image quality of coronary computed tomographic angiography (CCTA) in patients with atrial fibrillation (AF)...
  51. doi request reprint Low contrast and radiation dose coronary CT angiography using a 320-row system and a refined contrast injection and timing method
    Seitaro Oda
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjyo, Chuo Ku, Kumamoto 860 8556, Japan Electronic address
    J Cardiovasc Comput Tomogr 9:19-27. 2015
    ..Consequently, the contrast medium (CM) dose can be reduced. The results of low-tube-voltage coronary CT angiography (CCTA) performed on 320-row scanners have not been adequately assessed...
  52. doi request reprint Accumulation of pericardial fat correlates with left ventricular diastolic dysfunction in patients with normal ejection fraction
    Masaaki Konishi
    Department of Cardiovascular Medicine, Kumamoto University, Kumamoto, Japan
    J Cardiol 59:344-51. 2012
    ..Obesity is one of the major comorbid conditions of LVDD. Pericardial fat (PF) is an ectopic fat depot with possible paracrine or mechanical effects on the coronary circulation and myocardial function...
  53. doi request reprint Fused 99m-Tc-GSA SPECT/CT imaging for the preoperative evaluation of postoperative liver function: can the liver uptake index predict postoperative hepatic functional reserve?
    Morikatsu Yoshida
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto 860 8556, Japan
    Jpn J Radiol 30:255-62. 2012
    ..To evaluate the role of hepatic asialoglycoprotein receptor analysis in the preoperative estimation of postoperative hepatic functional reserve...
  54. doi request reprint Demonstration of the Adamkiewicz artery in patients with descending or thoracoabdominal aortic aneurysm: optimization of contrast-medium application for 64-detector-row CT angiography
    Daisuke Utsunomiya
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, Kumamoto shi, Kumamoto, Japan
    Eur Radiol 18:2684-90. 2008
    ..The injection protocol of 1.75 g iodine/s provides both the adequate aortic attenuation of more than 450 HU to assess the Adamkiewicz artery and the best visualization of the Adamkiewicz artery in 64-row MDCT...
  55. doi request reprint Dose profiles for lung and breast regions at prospective and retrospective CT coronary angiography using optically stimulated luminescence dosimeters on a 64-detector CT scanner
    Yoshinori Funama
    Department of Medical Physics, Faculty of Life Sciences, Kumamoto University, 4 24 1 Kuhonji, Kumamoto 862 0976, Japan
    Phys Med 28:76-82. 2012
    ....
  56. doi request reprint Volume-doubling time of pulmonary nodules with ground glass opacity at multidetector CT: Assessment with computer-aided three-dimensional volumetry
    Seitaro Oda
    Department of Diagnostic Radiology, Kumamoto University, Japan
    Acad Radiol 18:63-9. 2011
    ..To investigate the volume-doubling time (VDT) of histologically proved pulmonary nodules showing ground glass opacity (GGO) at multidetector CT (MDCT) using computer-aided three-dimensional volumetry...
  57. doi request reprint Hepatocellular carcinoma in patients weighing 70 kg or less: initial trial of compact-bolus dynamic CT with low-dose contrast material at 80 kVp
    Yumi Yanaga
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
    AJR Am J Roentgenol 196:1324-31. 2011
    ....
  58. ncbi request reprint Evaluation of diffusion-weighted imaging for the differential diagnosis of poorly contrast-enhanced and T2-prolonged bone masses: Initial experience
    Yoshiko Hayashida
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto 860 0811, Japan
    J Magn Reson Imaging 23:377-82. 2006
    ..To determine whether quantitative diffusion-weighted imaging (DWI) is useful for characterizing poorly contrast-enhanced and T2-prolonged bone masses...
  59. ncbi request reprint 16-MDCT aortography with a low-dose contrast material protocol
    Daisuke Utsunomiya
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, 5 3 1 Chikami, Kumamoto shi, Kumamoto 861 4193, Japan
    AJR Am J Roentgenol 186:374-8. 2006
    ..The objective of our study was to evaluate whether a low-dose contrast material (CM) protocol with a saline flush might provide sufficient contrast enhancement in aortoiliac 16-MDCT angiography...
  60. doi request reprint Submillisievert Radiation Dose Coronary CT Angiography: Clinical Impact of the Knowledge-Based Iterative Model Reconstruction
    Yuji Iyama
    Diagnostic Radiology, Amakusa Medical Center, Kameba 854 1, Amakusa, Kumamoto 863 0046, Japan Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan Electronic address
    Acad Radiol 23:1393-1401. 2016
    ..The purpose of this study was to evaluate the noise and image quality of images reconstructed with a knowledge-based iterative model reconstruction (knowledge-based IMR) in ultra-low dose cardiac computed tomography (CT)...
  61. doi request reprint Added value of a single-energy projection-based metal-artifact reduction algorithm for the computed tomography evaluation of oral cavity cancers
    Kenichiro Hirata
    Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1 Honjo, Chuo Ku, Kumamoto, 860 8556, Japan
    Jpn J Radiol 33:650-6. 2015
    ..The purpose of our study was to investigate the added value of the single-energy projection-based metallic artifact reduction (SEMAR) technique on the visualization and diagnostic confidence of oral cavity cancers...
  62. doi request reprint Validity of the size-specific dose estimate in adults undergoing coronary CT angiography: comparison with the volume CT dose index
    Masafumi Kidoh
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1, Honjo, Kumamoto, 860 8556, Japan
    Int J Cardiovasc Imaging 31:205-11. 2015
    ..01). The skin dose/SSDE was not affected by BMI (r = 0.06, P > 0.76). SSDE yields a more accurate estimation of the radiation dose without estimation errors attributable to the body size of adult patients undergoing CCTA. ..
  63. doi request reprint Simultaneous achievement of accurate CT number and image quality improvement for myocardial perfusion CT at 320-MDCT volume scanning
    Yoshinori Funama
    Department of Medical Physics, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan Electronic address
    Phys Med 31:702-7. 2015
    ..To investigate differences in image-to-image variations between full- and half-scan reconstruction on myocardial CT perfusion (CTP) study...
  64. doi request reprint Optimized subtraction coronary CT angiography protocol for clinical use with short breath-holding time-initial experience
    Masafumi Kidoh
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1 1 1, Honjo, Kumamoto 860 8556, Japan Electronic address
    Acad Radiol 22:117-20. 2015
    ..The long breath-holding time for two data acquisitions, which causes image misregistration and patient's discomfort, may limit the clinical availability of this subtraction technique...
  65. doi request reprint Assessment of hepatic functional regeneration after hepatectomy using (99m)Tc-GSA SPECT/CT fused imaging
    Morikatsu Yoshida
    Department of Diagnostic Radiology, Graduate School of Life Sciences, Kumamoto University, 1 1 1 Chuo ku, Honjo, Kumamoto, Japan
    Ann Nucl Med 28:780-8. 2014
    ..In this study, we evaluated the clinical usefulness of LUV for estimating hepatic functional regeneration after hepatectomy...
  66. doi request reprint Novel contrast-injection protocol for coronary computed tomographic angiography: contrast-injection protocol customized according to the patient's time-attenuation response
    Masafumi Kidoh
    Diagnostic Radiology, Amakusa Medical Center, Kameba 854 1, Amakusa, Kumamoto, 863 0046, Japan
    Heart Vessels 29:149-55. 2014
    ..0 vs 65.8 %, P < 0.01). P1 facilitated a reduction in the contrast dose, reduced the individual variations in peak aortic attenuation, and achieved optimal coronary CT attenuation (250-350 HU) more frequently than P2. ..
  67. doi request reprint Spinal imaging features in Japanese patients with Marfan syndrome: a case-control study
    Eri Hayashida
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, 5 3 1 Chikami, Minami Ku, Kumamoto shi, Kumamoto, 861 4193, Japan
    Jpn J Radiol 32:205-10. 2014
    ..The purpose of our study was to evaluate the morphology of the lumbosacral spine, i.e. the dura and vertebral body shape, of Japanese patients with Marfan syndrome (MFS) by comparing it with sex- and age-matched controls...
  68. doi request reprint Compact-bolus dynamic CT protocol with a test bolus technique in 64-MDCT coronary angiography: comparison of fixed injection rate and duration protocol
    Masafumi Kidoh
    Diagnostic Radiology, Amakusa Medical Center, Kameba 854 1, Amakusa, Kumamoto 863 0046, Japan
    Jpn J Radiol 31:115-22. 2013
    ..We compared the fixed injection rate protocol (P2) with the fixed injection duration protocol (P1) for coronary CT angiography using the test bolus technique...
  69. doi request reprint Signal intensity of lanthanum carbonate on magnetic resonance images: phantom study
    Shinichi Nakamura
    Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
    Jpn J Radiol 29:366-70. 2011
    ..Lanthanum carbonate (LC) is used to treat hyperphosphatemia. The purpose of this study was to investigate the signal intensity (SI) of LC on magnetic resonance imaging (MRI) scans of phantoms...
  70. doi request reprint Characterization of adrenal lesions using chemical shift MRI: comparison between 1.5 Tesla and two echo time pair selection at 3.0 Tesla MRI
    Shinichi Nakamura
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
    J Magn Reson Imaging 35:95-102. 2012
    ..To compare chemical shift MRI obtained at 1.5 Tesla (T) and two pairs of echo time (TE) in-phase and opposed-phase 3.0T MRI to assess their usefulness for the differentiation between adrenal adenomas and non-adenomas...
  71. ncbi request reprint Quantitative analysis and effect of attenuation correction on lymph node staging of non-small cell lung cancer on SPECT and CT
    Shinya Shiraishi
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto City, Kumamoto 860 8556, Japan
    AJR Am J Roentgenol 186:1450-7. 2006
    ..The purpose of our study was to assess quantitative indexes and the effect of attenuation correction on the evaluation of lymph node metastasis in the staging of non-small cell lung cancer (NSCLC) using fused thallium-201 SPECT/CT images...
  72. ncbi request reprint Coronary arterial malformation depicted at multi-slice CT angiography
    Daisuke Utsunomiya
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, 5 3 1 Chikami, Kumamoto shi, Kumamoto, 861 4193, Japan
    Int J Cardiovasc Imaging 22:547-51. 2006
    ..Images from MSCT coronary angiography can be helpful in understanding the tortuous configuration of the coronary arterial malformation...
  73. ncbi request reprint Contrast enhancement for whole-body screening using multidetector row helical CT: comparison between uniphasic and biphasic injection protocols
    Kazuo Awai
    Department of Diagnostic Radiology, Kumamoto University Graduate School of Medical Sciences, 1 1 1 Honjyo, Kumamoto 860 8556, Japan
    Radiat Med 22:303-9. 2004
    ..To investigate which is more suitable for whole-body screening with multidetector row CT (MDCT) during one breathhold, a uniphasic or biphasic injection protocol for contrast material...
  74. doi request reprint Primary cardiac lymphoma: computed tomography and magnetic resonance imaging features
    Daisuke Utsunomiya
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto 860 0811, Japan
    Jpn J Radiol 27:243-6. 2009
    ..Magnetic resonance imaging and computed tomography clearly depicted the primary cardiac tumor, and histopathological study of the surgical specimen confirmed the diagnosis of diffuse large B-cell lymphoma...
  75. doi request reprint Prediction of left main or 3-vessel disease using myocardial perfusion reserve on dynamic thallium-201 single-photon emission computed tomography with a semiconductor gamma camera
    Shinya Shiraishi
    Department of Diagnostic Radiology, Graduate School of Life Sciences, Kumamoto University
    Circ J 79:623-31. 2015
    ..5 yielded the highest diagnostic accuracy. Sensitivity, specificity, and accuracy were 86%, 78%, and 80%, respectively, for MPR index, 64%, 76%, 73% for previous MI, and 57%, 93%, and 84% for MPR index plus history of previous MI...
  76. doi request reprint A newly-developed metal artifact reduction algorithm improves the visibility of oral cavity lesions on 320-MDCT volume scans
    Yoshinori Funama
    Department of Medical Physics, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan Electronic address
    Phys Med 31:66-71. 2015
    ..To investigate whether a newly-developed single-energy metal artifact reduction (SEMAR) algorithm applied to images acquired on a 320-MDCT volume scanner reduces image artifacts from dental metal...
  77. doi request reprint Image quality assessment of an iterative reconstruction algorithm applied to abdominal CT imaging
    Yoshinori Funama
    Department of Medical Physics, Faculty of Life Sciences, Kumamoto University, 4 24 1 Kuhonji, Kumamoto 862 0976, Japan Electronic address
    Phys Med 30:527-34. 2014
    ..To compare the noise and accuracy on images of the whole porcine liver acquired with iterative reconstruction (IMR, Philips Healthcare, Cleveland, OH, USA) and filtered back projection (FBP) methods...
  78. ncbi request reprint Attenuation correction using asymmetric fanbeam transmission CT on two-head SPECT system
    Akihiro Kojima
    Institute of Resource Development and Analysis, Kumamoto University, Japan
    Ann Nucl Med 18:315-22. 2004
    ..The AsF collimation geometry that we have proposed in this study makes it easy to realize TCT data acquisition on the two-head SPECT system and to perform quantification on Tl-201 myocardial SPECT...
  79. doi request reprint Single coronary artery with spasm
    Daisuke Utsunomiya
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, Kumamoto, Japan
    Radiat Med 26:309-12. 2008
    ..In our case, no coronary artery stenosis was demonstrated on CT angiographic images, and totally occlusive coronary spasm was confirmed by intracoronary infusion of acetylcholine...
  80. doi request reprint Patient-specific tube-voltage selection at coronary CT angiography based on the combination of X-ray attenuation on scout views and body mass index: how can appropriate radiation dose be achieved?
    Daichi Noto
    Kumamoto University, Kumamoto, Japan
    Acta Radiol 56:1171-9. 2015
    ..Body weight, body mass index (BMI), and scout X-ray radiographic attenuation can be used to predict image noise on computed tomographic coronary angiography (CTCA) images...
  81. doi request reprint Characterization of Liver Tumors by Diffusion-Weighted Imaging: Comparison of Diagnostic Performance Using the Mean and Minimum Apparent Diffusion Coefficient
    Tomohiro Namimoto
    From the Department of Diagnostic Radiology, Graduate School of Life Sciences, Kumamoto University, Honjo, Kumamoto, Japan
    J Comput Assist Tomogr 39:453-61. 2015
    ....
  82. doi request reprint Automatic exposure control at single- and dual-heartbeat CTCA on a 320-MDCT volume scanner: effect of heart rate, exposure phase window setting, and reconstruction algorithm
    Yoshinori Funama
    Department of Medical Physics, Faculty of Life Sciences, Kumamoto University, 4 24 1 Kuhonji, Kumamoto, Japan Electronic address
    Phys Med 30:385-90. 2014
    ..To investigate whether electrocardiogram (ECG)-gated single- and dual-heartbeat computed tomography coronary angiography (CTCA) with automatic exposure control (AEC) yields images with uniform image noise at reduced radiation doses...
  83. doi request reprint Myocardial bridging is associated with coronary atherosclerosis in the segment proximal to the site of bridging
    Takeshi Nakaura
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1 1 1, Honjo, Kumamoto 860 8556, Japan Department of Diagnostic Radiology, Amakusa Medical Center, Kumamoto 863 0046, Japan
    J Cardiol 63:134-9. 2014
    ..This study aimed to investigate whether myocardial bridging identified by MDCT is an independent risk factor for coronary atherosclerosis...
  84. doi request reprint Automatic exposure control at MDCT based on the contrast-to-noise ratio: theoretical background and phantom study
    Yoshinori Funama
    Department of Medical Physics, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
    Phys Med 29:39-47. 2013
    ..To develop a new automatic exposure control (AEC) technique based on the contrast-to-noise ratio (CNR) and provide constant lesion detectability...
  85. doi request reprint Detection of flat colorectal polyps at screening CT colonography in comparison with conventional polypoid lesions
    Takashi Sakamoto
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, Kumamoto University, Kumamoto, Japan
    Acta Radiol 53:714-9. 2012
    ..Although the screening of small, flat polyps is clinically important, the role of CT colonography (CTC) screening in their detection has not been thoroughly investigated...
  86. ncbi request reprint Clinical role of non-contrast magnetic resonance angiography for evaluation of renal artery stenosis
    Daisuke Utsunomiya
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, Kumamoto, Japan
    Circ J 72:1627-30. 2008
    ..The purpose of our study was to evaluate whether non-contrast enhanced magnetic resonance angiography (MRA) might provide sufficient information of renal artery stenosis...
  87. ncbi request reprint Multi-slice CT demonstration of sinus of Valsalva rupture
    Daisuke Utsunomiya
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, 5 3 1 Chikami, Kumamoto shi, Kumamoto, 861 4193, Japan
    Int J Cardiovasc Imaging 22:561-4. 2006
    ..Multi-slice CT imaging should be considered the technique of choice for both diagnosis and follow-up examination of the aneurysm of sinus of Valsalva and its rupture...
  88. doi request reprint Correlation between extent of myocardial fibrosis assessed by cardiac magnetic resonance and cardiac troponin T release in patients with nonischemic heart failure
    Seiji Takashio
    Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
    Am J Cardiol 113:1697-704. 2014
    ..These results suggested that ongoing myocardial damage correlates with the presence and extent of myocardial fibrosis...
  89. ncbi request reprint Type 1 perimedullary arteriovenous fistula with subarachnoid hemorrhage: utility of contrast-enhanced 3D gradient-echo technique
    Masuma Akter
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
    Magn Reson Med Sci 10:143-7. 2011
    ..We evaluated the utility of 3-dimensional (3D) fast imaging with steady-state precession (FISP) sequence for detecting type 1 perimedullary AVF with SAH...
  90. ncbi request reprint Role of cardiac computed tomography in patients with suspected coronary artery disease: interaction with nuclear cardiology
    Daisuke Utsunomiya
    Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, Kumamoto, Japan
    Radiat Med 25:493-501. 2007
    ..This article addresses the utility of coronary CTA with current 64-row multidetector CT instruments, MPS, and the combination of these methods in the evaluation of CAD...
  91. ncbi request reprint Retrospective respiration-gated MDCT: initial results in canine models
    Kazuo Awai
    Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1 1 1 Honjyo, Kumamoto 860 8556, Japan
    AJR Am J Roentgenol 183:79-81. 2004
  92. doi request reprint Prospective evaluation of the updated 2010 ACCF Cardiac CT Appropriate Use Criteria
    Michael E Rich
    Cardiology Division, Georgetown University Hospital, 3800 Reservoir Rd, NW, PHC5, Washington, DC 20007, USA
    J Cardiovasc Comput Tomogr 6:108-12. 2012
    ..The cardiac CT Appropriate Use Criteria (AUC) were updated in 2010 to reflect technical advances, evolving expert consensus, and rapidly expanding clinical evidence...
  93. ncbi request reprint Malignant fibrous histiocytoma arising from the aortic wall mimicking a pseudoaneurysm with ulceration
    Daisuke Utsunomiya
    Diagnostic Radiology, Saiseikai Kumamoto Hospital, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
    Circ J 71:1659-61. 2007
    ..Aortic tumor, although rare, should be included among the causes of an ulcer-like projection...
  94. ncbi request reprint Total coronary artery plaque burden measured by cardiac computed tomography is associated with metabolic syndrome
    Masaaki Konishi
    Department of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
    J Atheroscler Thromb 18:939-45. 2011
    ..The purpose of this study was to quantify coronary plaque volume using 64-slice computed tomography (CT)...
  95. ncbi request reprint Endometrial carcinoma in adenomyosis: assessment of myometrial invasion on T2-weighted spin-echo and gadolinium-enhanced T1-weighted images
    Daisuke Utsunomiya
    Department of Radiology, Kumamoto University School of Medicine, 1 1 1, Honjo, Kumamoto, Kumamoto 860 8556, Japan
    AJR Am J Roentgenol 182:399-404. 2004
    ..The aim of our study was to compare T2-weighted and contrast-enhanced dynamic T1-weighted images with histologic findings in assessing the depth of myometrial invasion by endometrial carcinoma in adenomyosis...