医用画像人工知能研究開発講座

研究成果

年別の研究成果 1997 2021

• 336 被引用数
• 9 h-index
• 22 Article
• 5 Conference contribution
• 1 Review article

年別の研究成果

年別の研究成果

検索結果

• 2021

  Semi-quantitative assessment optimized the grading of pulmonary aspiration on salivagram in children

  Shao, F., Zhao, X., Toyama, H., Ichihara, T., Zhuang, H., Zhao, R., Kung, B. T., Ng, K. S., Zhang, Z. & Wu, H., 03-2021, In: Annals of Nuclear Medicine. 35, 3, p. 321-327 7 p.

  研究成果: Article › 査読

  • Lung
  • Child
  • ROC Curve
  • Nuclear Medicine
  • Respiratory System
• 2020

  Measurement of effective renal plasma flow using model analysis of dynamic CT in the preoperative evaluation of the renal transplant donors

  Kataoka, Y., Nishio, H., Matsukiyo, R., Kato, R., Hasegawa, M., Kenmochi, T., Shiroki, R., Toyama, H., Ichihara, T. & Kobayashi, S., 2020, In: Fujita medical journal. 6, 3, p. 73-80 8 p.

  研究成果: Article › 査読
• 2019

  Clinical utility of the normal database of ¹²³I-iodoamphetamine brain perfusion single photon emission computed tomography for statistical analysis using computed tomography-based attenuation correction: a multicenter study

  Yamazaki, T., Inui, Y., Ichihara, T., Uno, M., Ota, S., Toyoda, A., Ishiguro, M., Kato, T., Ito, K. & Toyama, H., 01-11-2019, In: Annals of Nuclear Medicine. 33, 11, p. 835-841 7 p.

  研究成果: Article › 査読

  • Single-Photon Emission-Computed Tomography
  • Multicenter Studies
  • Perfusion
  • Tomography
  • Databases
  2 被引用数 (Scopus)
• 2018

  CT-based attenuation correction and resolution compensation for I-123 IMP brain SPECT normal database: a multicenter phantom study

  Inui, Y., Ichihara, T., Uno, M., Ishiguro, M., Ito, K., Kato, K., Sakuma, H., Okazawa, H. & Toyama, H., 01-06-2018, In: Annals of Nuclear Medicine. 32, 5, p. 311-318 8 p.

  研究成果: Article › 査読

  • Inosine Monophosphate
  • Single-Photon Emission-Computed Tomography
  • Multicenter Studies
  • Tomography
  • Databases
  3 被引用数 (Scopus)
• 2016

  New catheter-based calibration method for 2D X-ray angiography myocardial perfusion

  Sakaguchi, T., Iwai, H., Nagae, R., Natsume, T., Ichihara, T. & Yagi, T., 01-01-2016, In: IEEJ Transactions on Electronics, Information and Systems. 136, 9, p. 1305-1311 7 p.

  研究成果: Article › 査読

  • Angiography
  • Catheters
  • X rays
  • Calibration
  • Iodine

• Underestimation of myocardial blood flow by dynamic perfusion CT: Explanations by two-compartment model analysis and limited temporal sampling of dynamic CT

  Ishida, M., Kitagawa, K., Ichihara, T., Natsume, T., Nakayama, R., Nagasawa, N., Kubooka, M., Ito, T., Uno, M., Goto, Y., Nagata, M. & Sakuma, H., 01-06-2016, In: Journal of Cardiovascular Computed Tomography. 10, 3, p. 207-214 8 p.

  研究成果: Article › 査読

  • Cone-Beam Computed Tomography
  • Perfusion
  • Blood Volume
  • Coronary Artery Disease
  • Computed Tomography Angiography
  28 被引用数 (Scopus)
• 2015

  A technique for quantitative measurement of myocardial blood flow using a combination of bolus tracking and time-registered helical multidetector CT angiography during adenosine stress

  Ichihara, T., George, R. T., Mather, R., Lima, J. A. C. & Lardo, A. C., 2015, In: Fujita medical journal. 1, 1, p. 9-14 6 p.

  研究成果: Article › 査読

• Development of a method for automated and stable myocardial perfusion measurement using coronary X-ray angiography images

  Sakaguchi, T., Ichihara, T., Natsume, T., Yao, J., Yousuf, O., Trost, J. C., Lima, J. A. C. & George, R. T., 29-06-2015, In: International Journal of Cardiovascular Imaging. 31, 5, p. 905-914 10 p.

  研究成果: Article › 査読

  • Angiography
  • X-Rays
  • Perfusion
  • Contrast Media
  • Myocardium
  4 被引用数 (Scopus)

• Evaluation of ⁸⁵Sr/⁸⁹Sr spect using SPECT/CT system

  Ota, S., Toyama, H., Uno, M., Ishiguro, M., Natsume, T., Yokoyama, S. & Ichihara, T., 2015, In: Japanese Journal of Clinical Radiology. 60, 2, p. 304-310 7 p.

  研究成果: Article › 査読

  • Single Photon Emission Computed Tomography Computed Tomography
  • Single-Photon Emission-Computed Tomography
  • Neoplasm Metastasis
  • Bone and Bones

• Theoretical considerations in measurement of time discrepancies between input and myocardial time-signal intensity curves in estimates of regional myocardial perfusion with first-pass contrast-enhanced MRI

  Natsume, T., Ishida, M., Kitagawa, K., Nagata, M., Sakuma, H. & Ichihara, T., 11-2015, In: Magnetic Resonance Imaging. 33, 9, p. 1059-1065 7 p., 8392.

  研究成果: Article › 査読

  • Magnetic resonance imaging
  • Blood
  • Perfusion
  • Myocardium
  • Contrast Media
  1 被引用数 (Scopus)
• 2014

  ⁸⁹Sr bremsstrahlung single photon emission computed tomography using a gamma camera for bone metastases

  Ota, S., Uno, M., Kato, M., Ishiguro, M., Natsume, T., Kikukawa, K., Tadokoro, M., Ichihara, T. & Toyama, H., 02-2014, In: Annals of Nuclear Medicine. 28, 2, p. 112-119 8 p.

  研究成果: Article › 査読

  • Gamma Cameras
  • Single-Photon Emission-Computed Tomography
  • Neoplasm Metastasis
  • Bone and Bones
  • Body Image
  2 被引用数 (Scopus)

• Development of a theory for generating regional cardiac perfusion images during coronary angiography in the coronary angiography lab

  Sakaguchi, T., Ichihara, T., Trost, J. C., Yousuf, O., Lima, J. A. C., Yao, J. & George, R. T., 01-2014, In: International Journal of Cardiovascular Imaging. 30, 1, p. 9-19 11 p.

  研究成果: Article › 査読

  • Coronary Angiography
  • Perfusion
  • Color
  • Microspheres
  • Coronary Vessels
  3 被引用数 (Scopus)
• 2011

  A trial of⁸⁹Sr bremsstrahlung SPECT

  Ota, S., Toyama, H., Uno, M., Kato, M., Ishiguro, M., Natsume, T., Ito, F., Kikukawa, K., Tadokoro, M., Ichihara, T. & Katada, K., 05-2011, In: Kakuigaku. 48, 2, p. 101-107 7 p.

  研究成果: Article › 査読

  • Single-Photon Emission-Computed Tomography
  • Technetium Tc 99m Medronate
  • Body Image
  • Clinical Studies
  4 被引用数 (Scopus)

• Quantification of myocardial blood flow using model based analysis of first-pass perfusion MRI: Extraction fraction of Gd-DTPA varies with myocardial blood flow in human myocardium

  Ishida, M., Ichihara, T., Nagata, M., Ishida, N., Takase, S., Kurita, T., Ito, M., Takeda, K. & Sakuma, H., 11-2011, In: Magnetic Resonance in Medicine. 66, 5, p. 1391-1399 9 p.

  研究成果: Article › 査読

  • Gadolinium DTPA
  • Myocardium
  • Perfusion
  • Cine Magnetic Resonance Imaging
  • Coronary Sinus
  24 被引用数 (Scopus)

• Quantitative analysis of first-pass contrast-enhanced myocardial perfusion multidetector CT using a Patlak plot method and extraction fraction correction during adenosine stress

  Ichihara, T., George, R. T., Silva, C., Lima, J. A. C. & Lardo, A. C., 02-2011, In: IEEE Transactions on Nuclear Science. 58, 1 PART 1, p. 133-138 6 p., 5654617.

  研究成果: Article › 査読

  • adenosines
  • blood flow
  • quantitative analysis
  • Blood
  • plots
  7 被引用数 (Scopus)
• 2010

  A method for reconstructing the arterial input function during helical CT: Implications for myocardial perfusion distribution imaging

  George, R. T., Ichihara, T., Lima, J. A. C. & Lardo, A. C., 01-05-2010, In: Radiology. 255, 2, p. 396-404 9 p.

  研究成果: Article › 査読

  • Myocardial Perfusion Imaging
  • Area Under Curve
  • Perfusion
  • Adenosine
  • Animal Care Committees
  25 被引用数 (Scopus)
• 2009

  Quantitative analysis of first-pass contrast-enhanced myocardial perfusion MRI using a Patlak plot method and blood saturation correction

  Ichihara, T., Ishida, M., Kitagawa, K., Ichikawa, Y., Natsume, T., Yamaki, N., Maeda, H., Takeda, K. & Sakuma, H., 08-2009, In: Magnetic Resonance in Medicine. 62, 2, p. 373-383 11 p.

  研究成果: Article › 査読

  • Perfusion
  • Coronary Sinus
  • Cine Magnetic Resonance Imaging
  43 被引用数 (Scopus)

• Quantitative assessment of regional systolic and diastolic functions and temporal heterogeneity of myocardial contraction in patients with myocardial infarction using cine magnetic resonance imaging and Fourier fitting

  Natsume, T., Amano, T., Takehara, Y., Ichihara, T., Takeda, K. & Sakuma, H., 12-2009, In: Magnetic Resonance Imaging. 27, 10, p. 1440-1446 7 p.

  研究成果: Article › 査読

  • Cine Magnetic Resonance Imaging
  • Gadolinium
  • Myocardial Contraction
  • Magnetic resonance
  • Imaging techniques
  6 被引用数 (Scopus)
• 1999

  Feasibility of simultaneous stress ^99mTc-sestamibi/rest ²⁰¹Tl dual-isotope myocardial perfusion SPECT in the detection of coronary artery disease

  Nakamura, M., Takeda, K., Ichihara, T., Motomura, N., Shimizu, H., Saito, Y., Nomura, Y., Isaka, N., Konishi, T. & Nakano, T., 06-1999, In: Journal of Nuclear Medicine. 40, 6, p. 895-903 9 p.

  研究成果: Article › 査読

  • Technetium Tc 99m Sestamibi
  • Isotopes
  • Single-Photon Emission-Computed Tomography
  • Coronary Artery Disease
  • Perfusion
  19 被引用数 (Scopus)
• 1998

  Increased lung uptake of iodine-123-MIBG in diabetics with sympathetic nervous dysfunction

  Murashima, S., Takeda, K., Matsumura, K., Yamakado, K., Sakuma, H., Kitano, T., Nakagawa, T., Ichihara, T., Yamakado, T. & Murata, K., 02-1998, In: Journal of Nuclear Medicine. 39, 2, p. 334-338 5 p.

  研究成果: Article › 査読

  • Iodine-123
  • 3-Iodobenzylguanidine
  • Lung
  • Dilated Cardiomyopathy
  • Radionuclide Imaging
  24 被引用数 (Scopus)

• Ultra high resolution pinhole SPECT for small animal study

  Ogawa, K., Kawade, T., Nakamura, K., Kubo, A. & Ichihara, T., 01-01-1998, In: IEEE Transactions on Nuclear Science. 45, 6, p. 3122-3126 5 p.

  研究成果: Article › 査読

  • pinholes
  • Image reconstruction
  • animals
  • Animals
  • Imaging techniques
  60 被引用数 (Scopus)
• 1997

  Scatter and attenuation correction in technetium-99m brain SPECT

  Hashimoto, J., Kubo, A., Ogawa, K., Amano, T., Fukuuchi, Y., Motomura, N. & Ichihara, T., 01-01-1997, In: Journal of Nuclear Medicine. 38, 1, p. 157-162 6 p.

  研究成果: Article › 査読

  • Technetium
  • Single-Photon Emission-Computed Tomography
  • Brain
  • technetium Tc 99m bicisate
  • Compensation and Redress
  40 被引用数 (Scopus)