Search Results - "Ueno, Eiko"

Dual-Energy Spectral CT: Various Clinical Vascular Applications by Machida, Haruhiko, Tanaka, Isao, Fukui, Rika, Shen, Yun, Ishikawa, Takuya, Tate, Etsuko, Ueno, Eiko

“…Single-source dual-energy (DE) computed tomography (CT) with fast switching of tube voltage allows projection-based image reconstruction, substantial reduction…”
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Vascular diameter measurement in CT angiography: comparison of model-based iterative reconstruction and standard filtered back projection algorithms in vitro by Suzuki, Shigeru, Machida, Haruhiko, Tanaka, Isao, Ueno, Eiko

“…The purpose of this study was to evaluate the performance of model-based iterative reconstruction (MBIR) in measurement of the inner diameter of models of…”
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Clinical application of effective atomic number for classifying non-calcified coronary plaques by dual-energy computed tomography by Nakajima, Shun, Ito, Hiroyuki, Mitsuhashi, Tetsuya, Kubo, Yutaka, Matsui, Kazuhiro, Tanaka, Isao, Fukui, Rika, Omori, Hisako, Nakaoka, Takashi, Sakura, Hiroshi, Ueno, Eiko, Machida, Haruhiko

“…Abstract Background and aims Coronary computed tomography (CT) angiography allows non-invasive classification of non-calcified coronary plaques (NCCPs) based…”
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Preliminary Results: Can Dual-Energy Computed Tomography Help Distinguish Cardiogenic Pulmonary Edema and Acute Interstitial Lung Disease? by Takeuchi, Hitoshi, Suzuki, Shigeru, Machida, Haruhiko, Ishikawa, Takuya, Ueno, Eiko

“…We compared iodine concentration in pulmonary ground-glass opacity on iodine density images of contrast-enhanced chest dual-energy computed tomography (DECT)…”
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Optimizing parameters for flat-panel detector digital tomosynthesis by Machida, Haruhiko, Yuhara, Toshiyuki, Mori, Takako, Ueno, Eiko, Moribe, Yoshio, Sabol, John M

“…Digital tomosynthesis is a novel technique that allows easy and swift volume data acquisition in selected regions of the body. However, many radiologists and…”
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Diameter measurement of vascular model on CT angiography using model-based iterative reconstruction: effect of tube current on accuracy by Suzuki, Shigeru, Machida, Haruhiko, Tanaka, Isao, Fukui, Rika, Ueno, Eiko

“…The purpose of this study was to evaluate the effect of tube current on the accuracy of vascular diameter measurements on CT angiography using model-based…”
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Feasibility of diffusion-weighted MRI for defining placental invasion by Morita, Satoru, Ueno, Eiko, Fujimura, Mikihiko, Muraoka, Mitsue, Takagi, Koichiro, Fujibayashi, Mariko

“…The purpose of this clinical note is to describe the feasibility of using diffusion‐weighted imaging for diagnosing placental invasion with a case of placenta…”
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Influence of the motion correction algorithm on the quality and interpretability of images of single-source 64-detector coronary CT angiography among patients grouped by heart rate by Machida, Haruhiko, Lin, Xiao-Zhu, Fukui, Rika, Shen, Yun, Suzuki, Shigeru, Tanaka, Isao, Ishikawa, Takuya, Tate, Etsuko, Ueno, Eiko

“…Purpose We retrospectively investigated the effect of the motion correction algorithm (MCA) on image quality and interpretability by heart rate (HR) in…”
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Navigator-triggered prospective acquisition correction (PACE) technique vs. conventional respiratory-triggered technique for free-breathing 3D MRCP: An initial prospective comparative study using healthy volunteers by Morita, Satoru, Ueno, Eiko, Suzuki, Kazufumi, Machida, Haruhiko, Fujimura, Mikihiko, Kojima, Shinya, Hirata, Masami, Ohnishi, Takahiro, Imura, Chiaki

“…Purpose To confirm the superiority of the navigator‐triggered prospective acquisition correction (PACE) technique over the conventional respiratory‐triggered…”
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Iterative image reconstruction that includes a total variation regularization for radial MRI by Kojima, Shinya, Shinohara, Hiroyuki, Hashimoto, Takeyuki, Hirata, Masami, Ueno, Eiko

“…This paper presents an iterative image reconstruction method for radial encodings in MRI based on a total variation (TV) regularization. The algebraic…”
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Evaluation of Cardiac Allograft Vasculopathy by Multidetector Computed Tomography and Whole-Heart Magnetic Resonance Coronary Angiography by Nunoda, Shinichi, Machida, Haruhiko, Sekikawa, Akihiko, Shitakura, Kazunobu, Okajima, Kiyotaka, Kubo, Yutaka, Ueno, Eiko, Otsuka, Kuniaki

“…Background: Cardiac allograft vasculopathy (CAV) is a major complication that limits the long-term survival of recipients of heart transplants. In the present…”
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Reproducibility of scan prescription in follow-up brain MRI: manual versus automatic determination by Kojima, Shinya, Hirata, Masami, Shinohara, Hiroyuki, Ueno, Eiko

“…In follow-up brain magnetic resonance imaging (MRI), precise reproducibility of the scan prescription is important so that over- or underestimating changes in…”
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A method for selecting a protocol for routine body CT scan using Gemstone Spectral Imaging with or without adaptive statistical iterative reconstruction: phantom experiments by Machida, Haruhiko, Fukui, Rika, Tanaka, Isao, Shen, Yun, Ishikawa, Takuya, Tate, Etsuko, Suzuki, Shigeru, Ueno, Eiko

“…Purpose To investigate a method for selecting a protocol for body CT scan to acquire monochromatic images (MIs) by gemstone spectral imaging (GSI) with or…”
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Assessing renal function with a rapid, handy, point-of-care whole blood creatinine meter before using contrast materials by Morita, Satoru, Suzuki, Kazufumi, Masukawa, Ai, Ueno, Eiko

“…Purpose The aim of this prospective study was to assess the reliability of a rapid, handy, point-of-care whole blood creatinine meter (PCM) in patients who…”
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Prospective Electrocardiogram-Gated Axial 64-Detector Computed Tomographic Angiography vs Retrospective Gated Helical Technique to Assess Coronary Artery Bypass Graft Anastomosis: Comparison of Image Quality and Patient Radiation Dose by Machida, Haruhiko, Masukawa, Ai, Tanaka, Isao, Fukui, Rika, Suzuki, Kazufumi, Ueno, Eiko, Kodera, Kojiro, Nakano, Kiyoharu, Shen, Yun

“…Background: In the present study the effective dose and image quality at distal anastomoses were retrospectively compared between prospective electrocardiogram…”
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Postoperative follow-up of olecranon fracture by digital tomosynthesis radiography by Machida, Haruhiko, Yuhara, Toshiyuki, Sabol, John M., Tamura, Mieko, Shimada, Yutaka, Ueno, Eiko

“…Digital tomosynthesis with flat-panel detector radiography is a novel application that allows easy, swift volume data acquisition of any anatomical site of…”
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Bland-White-Garland Syndrome in an Elderly Woman by Tatsuishi, Wataru, MD, Machida, Haruhiko, MD, Kodera, Kojiro, MD, Asano, Ryota, MD, Kataoka, Go, MD, Kubota, Sayaka, MD, Ueno, Eiko, MD, Nakano, Kiyoharu, MD

“…A dipyridamole myocardial perfusion scintigraphy image (D and E) showed anterior and inferoposterior myocardiopathy but no ischemia. [...]the patient had only…”
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Noninvasive Assessment of Off-Pump Coronary Artery Bypass Surgery by 16-Channel Multidetector-Row Computed Tomography by Yamamoto, Masato, Kimura, Fumiko, Niinami, Hiroshi, Suda, Yuji, Ueno, Eiko, Takeuchi, Yasuo

“…Sixteen-channel multidetector-row computed tomography (MDCT), with higher spatial and temporal resolution, enables noninvasive visualization of images with…”
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Percutaneous transhepatic drainage of lung abscess through a diaphragmatic fistula caused by a penetrating liver abscess by Taniguchi, Masako, Morita, Satoru, Ueno, Eiko, Hayashi, Mitsutoshi, Ishikawa, Motonao, Mae, Masahiro

“…Liver abscesses occurring just below the diaphragm can penetrate or perforate the thoracic cavity, resulting in lung abscess or pyothorax. Although surgical or…”
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Diagnosing a large slowly enhanced cerebral aneurysm using four-dimensional multiphase dynamic contrast-enhanced computed tomography angiography by Suzuki, Kazufumi, Morita, Satoru, Masukawa, Ai, Machida, Haruhiko, Ueno, Eiko

“…Our patient was diagnosed with acute subarachnoid hemorrhage on plain head computed tomography (CT). Multiphase dynamic contrast-enhanced CT angiography on a…”
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