Search Results - "Kunishima Kumamaru, Kanako"

Deep Learning Approach for Generating MRA Images From 3D Quantitative Synthetic MRI Without Additional Scans by Fujita, Shohei, Hagiwara, Akifumi, Otsuka, Yujiro, Hori, Masaaki, Takei, Naoyuki, Hwang, Ken-Pin, Irie, Ryusuke, Andica, Christina, Kamagata, Koji, Akashi, Toshiaki, Kunishima Kumamaru, Kanako, Suzuki, Michimasa, Wada, Akihiko, Abe, Osamu, Aoki, Shigeki

“…OBJECTIVESQuantitative synthetic magnetic resonance imaging (MRI) enables synthesis of various contrast-weighted images as well as simultaneous quantification…”
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Estimation of Gadolinium-based Contrast Agent Concentration Using Quantitative Synthetic MRI and Its Application to Brain Metastases: A Feasibility Study by Fujita, Shohei, Nakazawa, Misaki, Hagiwara, Akifumi, Ueda, Ryo, Horita, Moeko, Maekawa, Tomoko, Irie, Ryusuke, Andica, Christina, Kumamaru, Kanako Kunishima, Hori, Masaaki, Aoki, Shigeki

“…Purpose: Gadolinium-based contrast agents (GBCA) provide valuable information for assessing and differentiating lesions in the body. However, contrast…”
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Comparison of Brain Volume Measurements Made with 0.3- and 3-T MR Imaging by Murata, Syo, Hagiwara, Akifumi, Kaga, Hideyoshi, Someya, Yuki, Nemoto, Kiyotaka, Goto, Masami, Kamagata, Koji, Irie, Ryusuke, Hori, Masaaki, Andica, Christina, Wada, Akihiko, Kumamaru, Kanako Kunishima, Shimoji, Keigo, Otsuka, Yujiro, Hoshito, Haruyoshi, Tamura, Yoshifumi, Kawamori, Ryuzo, Watada, Hirotaka, Aoki, Shigeki

“…The volumes of intracranial tissues of 40 healthy volunteers acquired from 0.3- and 3-T scanners were compared using intraclass correlation coefficients,…”
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A Comparison of Techniques for Correcting Eddy-current and Motion-induced Distortions in Diffusion-weighted Echo-planar Images by Haneda, Jun, Hagiwara, Akifumi, Hori, Masaaki, Wada, Akihiko, Fukunaga, Issei, Murata, Katsutoshi, Kamagata, Koji, Fujita, Shohei, Maekawa, Tomoko, Irie, Ryusuke, Takamura, Tomohiro, Suzuki, Michimasa, Kumamaru, Kanako Kunishima, Aoki, Shigeki

“…The purpose of this study was to show the efficacy of dynamic field correction (DFC), a technique provided by the scanner software, in comparison to the FMRIB…”
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Contrast-enhanced synthetic MRI for the detection of brain metastases by Hagiwara, Akifumi, Hori, Masaaki, Suzuki, Michimasa, Andica, Christina, Nakazawa, Misaki, Tsuruta, Kouhei, Takano, Nao, Sato, Shuji, Hamasaki, Nozomi, Yoshida, Mariko, Kumamaru, Kanako Kunishima, Ohtomo, Kuni, Aoki, Shigeki

“…Background Synthetic magnetic resonance imaging (MRI), a technique that enables creation of various contrast-weighted images from a single MRI quantification…”
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Myelin Measurement: Comparison Between Simultaneous Tissue Relaxometry, Magnetization Transfer Saturation Index, and T1w/T2w Ratio Methods by Hagiwara, Akifumi, Hori, Masaaki, Kamagata, Koji, Warntjes, Marcel, Matsuyoshi, Daisuke, Nakazawa, Misaki, Ueda, Ryo, Andica, Christina, Koshino, Saori, Maekawa, Tomoko, Irie, Ryusuke, Takamura, Tomohiro, Kumamaru, Kanako Kunishima, Abe, Osamu, Aoki, Shigeki

“…Magnetization transfer (MT) imaging has been widely used for estimating myelin content in the brain. Recently, two other approaches, namely simultaneous tissue…”
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Application of Quantitative Microstructural MR Imaging with Atlas-based Analysis for the Spinal Cord in Cervical Spondylotic Myelopathy by Hori, Masaaki, Hagiwara, Akifumi, Fukunaga, Issei, Ueda, Ryo, Kamiya, Kouhei, Suzuki, Yuichi, Liu, Wei, Murata, Katsutoshi, Takamura, Tomohiro, Hamasaki, Nozomi, Irie, Ryusuke, Kamagata, Koji, Kumamaru, Kanako Kunishima, Suzuki, Michimasa, Aoki, Shigeki

“…Mapping of MR fiber g-ratio, which is the ratio of the diameter of the axon to the diameter of the neuronal fiber, is introduced in this article. We…”
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Evaluation of Significant Coronary Artery Disease Based on CT Fractional Flow Reserve and Plaque Characteristics Using Random Forest Analysis in Machine Learning by Kawasaki, Tomohiro, Kidoh, Masafumi, Kido, Teruhito, Sueta, Daisuke, Fujimoto, Shinichiro, Kumamaru, Kanako Kunishima, Uetani, Teruyoshi, Tanabe, Yuki, Ueda, Toshio, Sakabe, Daisuke, Oda, Seitaro, Yamashiro, Tsuneo, Tsujita, Kenichi, Kato, Shingo, Yuki, Hideaki, Utsunomiya, Daisuke

“…Fractional flow reserve (FFR) is an established technique for detecting lesion-specific ischemia but is invasive. Our objective was to investigate the effects…”
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Aorta-aware GAN for non-contrast to artery contrasted CT translation and its application to abdominal aortic aneurysm detection by Hu, Tao, Oda, Masahiro, Hayashi, Yuichiro, Lu, Zhongyang, Kumamaru, Kanako Kunishima, Akashi, Toshiaki, Aoki, Shigeki, Mori, Kensaku

“…Purpose Artery contrasted computed tomography (CT) enables accurate observations of the arteries and surrounding structures, thus being widely used for the…”
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International survey on residency programs in radiology: similarities and differences among 17 countries by Sosna, Jacob, Pyatigorskaya, Nadya, Krestin, Gabriel, Denton, Erika, Stanislav, Kim, Morozov, Sergey, Kumamaru, Kanako Kunishima, Jankharia, Bhavin, Mildenberger, Peter, Forster, Bruce, Schouman-Clayes, Elizabeth, Bradey, Adrian, Akata, Deniz, Brkljacic, Boris, Grassi, Roberto, Plako, Andras, Papanagiotou, Haris, Maksimović, Ružica, Lexa, Frank

“…With the initiative of the ACR International Economics Committee, a multinational survey was conducted to evaluate radiology residency programs around the…”
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An International Survey of Quality and Safety Programs in Radiology by Dick, Jeremy, Darras, Kathryn E., Lexa, Frank J., Denton, Erika, Ehara, Shigeru, Galloway, Howard, Jankharia, Bhavin, Kassing, Pam, Kumamaru, Kanako Kunishima, Mildenberger, Peter, Morozov, Sergey, Pyatigorskaya, Nadya, Song, Bin, Sosna, Jacob, van Buchem, Marcus, Forster, Bruce B.

“…Purpose: The aim of this study was to determine the status of radiology quality improvement programs in a variety of selected nations worldwide. Methods: A…”
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Method to simulate distal flow resistance in coronary arteries in 3D printed patient specific coronary models by Sommer, Kelsey N., Iyer, Vijay, Kumamaru, Kanako Kunishima, Rava, Ryan A., Ionita, Ciprian N.

“…Background Three-dimensional printing (3DP) offers a unique opportunity to build flexible vascular patient-specific coronary models for device testing,…”
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Association between hospital case volume and mortality in non-elderly pneumonia patients stratified by severity: a retrospective cohort study by Kumamaru, Hiraku, Tsugawa, Yusuke, Horiguchi, Hiromasa, Kumamaru, Kanako Kunishima, Hashimoto, Hideki, Yasunaga, Hideo

“…The characteristics and aetiology of pneumonia in the non-elderly population is distinct from that in the elderly population. While a few studies have reported…”
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Mycotic Aneurysm of the Aortic Arch Presenting With Left Vocal Cord Palsy by Tokmaji, George, Gosev, Igor, MD, Kumamaru, Kanako Kunishima, MD, PhD, Bolman, Ralph Morton, MD

“…We report a case of a 71-year-old man with a mycotic aneurysm of the aortic arch who presented with progressive hoarseness. Three weeks prior to this event the…”
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SyMRI of the Brain: Rapid Quantification of Relaxation Rates and Proton Density, With Synthetic MRI, Automatic Brain Segmentation, and Myelin Measurement by Hagiwara, Akifumi, Warntjes, Marcel, Hori, Masaaki, Andica, Christina, Nakazawa, Misaki, Kumamaru, Kanako Kunishima, Abe, Osamu, Aoki, Shigeki

“…ABSTRACTConventional magnetic resonance images are usually evaluated using the image signal contrast between tissues and not based on their absolute signal…”
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Linearity, Bias, Intrascanner Repeatability, and Interscanner Reproducibility of Quantitative Multidynamic Multiecho Sequence for Rapid Simultaneous Relaxometry at 3 T: A Validation Study With a Standardized Phantom and Healthy Controls by Hagiwara, Akifumi, Hori, Masaaki, Cohen-Adad, Julien, Nakazawa, Misaki, Suzuki, Yuichi, Kasahara, Akihiro, Horita, Moeko, Haruyama, Takuya, Andica, Christina, Maekawa, Tomoko, Kamagata, Koji, Kumamaru, Kanako Kunishima, Abe, Osamu, Aoki, Shigeki

“…OBJECTIVESThe aim of this study was to evaluate the linearity, bias, intrascanner repeatability, and interscanner reproducibility of quantitative values…”
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Three-dimensional high-resolution simultaneous quantitative mapping of the whole brain with 3D-QALAS: An accuracy and repeatability study by Fujita, Shohei, Hagiwara, Akifumi, Hori, Masaaki, Warntjes, Marcel, Kamagata, Koji, Fukunaga, Issei, Andica, Christina, Maekawa, Tomoko, Irie, Ryusuke, Takemura, Mariko Yoshida, Kumamaru, Kanako Kunishima, Wada, Akihiko, Suzuki, Michimasa, Ozaki, Yutaka, Abe, Osamu, Aoki, Shigeki

“…Previous methods for the quantification of brain tissue properties by magnetic resonance imaging were mainly based on two-dimensional acquisitions and were…”
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Comparison of Brain Volume Measurements Made with 0.3- and 3-T MR Imaging by Murata, Syo, Hagiwara, Akifumi, Kaga, Hideyoshi, Someya, Yuki, Nemoto, Kiyotaka, Goto, Masami, Kamagata, Koji, Irie, Ryusuke, Hori, Masaaki, Andica, Christina, Wada, Akihiko, Kumamaru, Kanako Kunishima, Shimoji, Keigo, Otsuka, Yujiro, Hoshito, Haruyoshi, Tamura, Yoshifumi, Kawamori, Ryuzo, Watada, Hirotaka, Aoki, Shigeki

“…The volumes of intracranial tissues of 40 healthy volunteers acquired from 0.3- and 3-T scanners were compared using intraclass correlation coefficients,…”
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Comprehensive comparative study of computed tomography-based estimates of split renal function for potential renal donors: modified ellipsoid method and other CT-based methods by Soga, Shigeyoshi, Britz-Cunningham, Scott, Kumamaru, Kanako Kunishima, Malek, Sayeed Khan, Tullius, Stefan G, Rybicki, Frank J

“…To investigate a new modified computed tomographic (CT) ellipsoid method of split renal function and to compare results from this method with other CT-derived…”
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Estimation of Gadolinium-based Contrast Agent Concentration Using Quantitative Synthetic MRI and Its Application to Brain Metastases: A Feasibility Study by Fujita, Shohei, Nakazawa, Misaki, Hagiwara, Akifumi, Ueda, Ryo, Horita, Moeko, Maekawa, Tomoko, Irie, Ryusuke, Andica, Christina, Kumamaru, Kanako Kunishima, Hori, Masaaki, Aoki, Shigeki

“…Purpose: Gadolinium-based contrast agents (GBCA) provide valuable information for assessing and differentiating lesions in the body. However, contrast…”
Get full text