Výsledky vyhledávání - "Sumiaki Matsumoto"

Adaptive iterative dose reduction 3D (AIDR 3D) vs. filtered back projection: radiation dose reduction capabilities of wide volume and helical scanning techniques on area-detector CT in a chest phantom study

Autor: Sumiaki Matsumoto, Yoshiharu Ohno, Naoki Sugihara, Kazuro Sugimura, Hisanobu Koyama, Shinichiro Seki, Hiroyasu Inokawa

Publikováno v: Acta Radiologica. 57:684-690

Background Computed tomography (CT) has important roles for lung cancer screening, and therefore radiation dose reduction by using iterative reconstruction technique and scanning methods receive widespread attention. Purpose To evaluate the effect of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc99780f5f4d953bba38c8554cfda12b
https://doi.org/10.1177/0284185115603418

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Three-way Comparison of Whole-Body MR, Coregistered Whole-Body FDG PET/MR, and Integrated Whole-Body FDG PET/CT Imaging: TNM and Stage Assessment Capability for Non–Small Cell Lung Cancer Patients

Autor: Kazuro Sugimura, Kota Aoyagi, Takeshi Yoshikawa, Daisuke Takenaka, Yoshiharu Ohno, Sumiaki Matsumoto, Hitoshi Yamagata, Masao Yui, Shinichiro Seki, Hisanobu Koyama

Publikováno v: Radiology. 275:849-861

To prospectively compare the capabilities for TNM classification and assessment of clinical stage and operability among whole-body magnetic resonance (MR) imaging, coregistered positron emission tomographic (PET)/MR imaging with and without MR signal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3a6c46280a6b4f28f1bb396f607c82e
https://doi.org/10.1148/radiol.14140936

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Lung Cancer Assessment Using MR Imaging

Autor: Yoshiharu Ohno, Sumiaki Matsumoto, Kazuro Sugimura, Hisanobu Koyama, Takeshi Yoshikawa

Publikováno v: Magnetic Resonance Imaging Clinics of North America. 23:231-244

MR imaging has emerged as a major new research and diagnostic tool for various pulmonary diseases, especially lung cancer. State-of-the art thoracic MR imaging now has the potential to be used as a substitute for traditional imaging techniques and/or

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::819bbbb9a4f7f3e106d3bfca07c7f9d0
https://doi.org/10.1016/j.mric.2015.01.012

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A comparison of axial versus coronal image viewing in computer-aided detection of lung nodules on CT

Autor: Sumiaki Matsumoto, Yoshiharu Ohno, Yoshihiro Nishimura, Tae Iwasawa, Hitoshi Yamagata, Takatoshi Aoki, Fumito Okada

Publikováno v: Japanese Journal of Radiology. 33:76-83

To compare primarily viewing axial images (Axial mode) versus coronal reconstruction images (Coronal mode) in computer-aided detection (CAD) of lung nodules on multidetector computed tomography (CT) in terms of detection performance and reading time.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e55371eaa13aed65b47c755bdbf7d87d
https://doi.org/10.1007/s11604-014-0383-0

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Asthma: Comparison of Dynamic Oxygen-enhanced MR Imaging and Quantitative Thin-Section CT for Evaluation of Clinical Treatment

Autor: Sumiaki Matsumoto, Marc Van Cauteren, Yoshiharu Ohno, Kazuro Sugimura, Mizuho Nishio, Makoto Obara, Shinichiro Seki, Hisanobu Koyama, Takeshi Yoshikawa

Publikováno v: Radiology. 273:907-916

To compare the use of dynamic oxygen-enhanced magnetic resonance (MR) imaging with the use of quantitatively assessed computed tomography (CT) for assessment of clinical stage and evaluation of pulmonary functional change due to treatment in patients

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65b26477d2cbe0ce7b96cbc8d1b8ca86
https://doi.org/10.1148/radiol.14132660

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3D ECG- and respiratory-gated non-contrast-enhanced (CE) perfusion MRI for postoperative lung function prediction in non-small-cell lung cancer patients: A comparison with thin-section quantitative computed tomography, dynamic CE-perfusion MRI, and perfus

Autor: Yoshiharu Ohno, Hisanobu Koyama, Shinichiro Seki, Yoshimori Kassai, Masao Yui, Daisuke Takenaka, Kazuro Sugimura, Takeshi Yoshikawa, Sumiaki Matsumoto

Publikováno v: Journal of Magnetic Resonance Imaging. 42:340-353

Purpose To compare predictive capabilities of non-contrast-enhanced (CE)- and dynamic CE-perfusion MRIs, thin-section multidetector computed tomography (CT) (MDCT), and perfusion scan for postoperative lung function in non-small cell lung cancer (NSC

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c86dfa849c35bc4a07880d7e7199701
https://doi.org/10.1002/jmri.24800

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Airflow Limitation in Chronic Obstructive Pulmonary Disease

Autor: Yoshiharu Ohno, Sumiaki Matsumoto, Hisanobu Koyama, Kazuro Sugimura, Mizuho Nishio

Publikováno v: Academic Radiology. 21:1262-1267

Rationale and Objectives The purpose of this study was to analyze the relationship between airflow limitation and two types of computed tomography (CT) measurements: expiratory/inspiratory (E/I) ratio and E/I difference of percentage of low-attenuati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b0c6bd89eb4557fa425628d9ebb70d7
https://doi.org/10.1016/j.acra.2014.05.020

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Emphysema Quantification by Combining Percentage and Size Distribution of Low-Attenuation Lung Regions

Autor: Hisanobu Koyama, Yoshiharu Ohno, Naoki Sugihara, Takeshi Yoshikawa, Mizuho Nishio, Sumiaki Matsumoto, Kazuro Sugimura

Publikováno v: American Journal of Roentgenology. 202:W453-W458

The purpose of this study was to investigate efficacy of two types of emphysema quantification: percentage of low-attenuation lung regions (%LA); and size distribution of these regions. On a log-log plot, cumulative frequency-size distribution of low

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::606cc1bdfd0242b84b5587e51f982ee3
https://doi.org/10.2214/ajr.13.10781

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Oxygen-enhanced MRI for patients with connective tissue diseases: Comparison with thin-section CT of capability for pulmonary functional and disease severity assessment

Autor: Mizuho Nishio, Sumiaki Matsumoto, Takeshi Yoshikawa, Hisanobu Koyama, Shinichiro Seki, Kazuro Sugimura, Yoshiharu Ohno, Maho Tsubakimoto

Publikováno v: European Journal of Radiology. 83:391-397

To prospectively and directly compare oxygen-enhanced (O2-enhanced) MRI with thin-section CT for pulmonary functional loss and disease severity assessment in connective tissue disease (CTD) patients with interstitial lung disease (ILD).Thin-section C

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d03e953db2379fead3f1831cf85b8a3
https://doi.org/10.1016/j.ejrad.2013.11.001

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Comparison of the utility of whole-body MRI with and without contrast-enhanced Quick 3D and double RF fat suppression techniques, conventional whole-body MRI, PET/CT and conventional examination for assessment of recurrence in NSCLC patients

Autor: Yoshiharu Ohno, Mizuho Nishio, Maho Tsubakimoto, Daisuke Takenaka, Shinichiro Seki, Hisanobu Koyama, Takeshi Yoshikawa, Sumiaki Matsumoto, Kazuro Sugimura

Publikováno v: European Journal of Radiology. 82:2018-2027

Purpose The purpose of this study was to compare diagnostic capabilities for assessment of recurrence in non-small cell lung cancer (NSCLC) patients by contrast-enhanced whole-body MRI (CE-WB-MRI) with and without CE-Quick 3D and double RF fat suppre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4874241d63132e4dc6dd5d2164f64652
https://doi.org/10.1016/j.ejrad.2013.07.016

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