Works by Toru Shirai

Results: 21

Utility of under-sampled scans with iterative reconstruction and high-frequency preserving transform for high spatial resolution magnetic resonance cholangiopancreatography.
Published in:
Japanese Journal of Radiology, 2025, v. 43, n. 3, p. 463, doi. 10.1007/s11604-024-01688-z
By:
- Kondo, Shota;
- Nakamura, Yuko;
- Higaki, Toru;
- Nishihara, Takashi;
- Takizawa, Masahiro;
- Shirai, Toru;
- Fujimori, Motoshi;
- Bito, Yoshitaka;
- Narita, Keigo;
- Fonseca, Dara;
- Maeda, Shogo;
- Kawashita, Ikuo;
- Honda, Yukiko;
- Awai, Kazuo
Publication type:
Article
Phase I Randomized Trial of 17O‐Labeled Water: Safety and Feasibility Study of Indirect Proton MRI for the Evaluation of Cerebral Water Dynamics.
Published in:
Journal of Magnetic Resonance Imaging, 2022, v. 56, n. 6, p. 1874, doi. 10.1002/jmri.28210
By:
- Harada, Taisuke;
- Kudo, Kohsuke;
- Kameda, Hiroyuki;
- Sato, Ryota;
- Shirai, Toru;
- Bito, Yoshitaka;
- Fujima, Noriyuki;
- Tsuneta, Satonori;
- Nogawa, Toshifumi;
- Maeda, Kenichiro;
- Hayashi, Hiroshi;
- Sasaki, Makoto
Publication type:
Article
Simple modification of arm position improves B1+ and signal homogeneity in the thoracolumbar spine at 3T.
Published in:
2018
By:
- Ishizaka, Kinya;
- Kudo, Kohsuke;
- Harada, Kuniaki;
- Shirai, Toru;
- Fujiwara, Taro;
- Aoike, Suzuko;
- Takamori, Sayaka;
- Shirato, Hiroki
Publication type:
journal article
A diagnostic index based on quantitative susceptibility mapping and voxel-based morphometry may improve early diagnosis of Alzheimer's disease.
Published in:
European Radiology, 2022, v. 32, n. 7, p. 4479, doi. 10.1007/s00330-022-08547-3
By:
- Sato, Ryota;
- Kudo, Kohsuke;
- Udo, Niki;
- Matsushima, Masaaki;
- Yabe, Ichiro;
- Yamaguchi, Akinori;
- Tha, Khin Khin;
- Sasaki, Makoto;
- Harada, Masafumi;
- Matsukawa, Noriyuki;
- Amemiya, Tomoki;
- Kawata, Yasuo;
- Bito, Yoshitaka;
- Ochi, Hisaaki;
- Shirai, Toru
Publication type:
Article
Numerical and Clinical Evaluation of the Robustness of Open-source Networks for Parallel MR Imaging Reconstruction.
Published in:
Magnetic Resonance in Medical Sciences, 2024, v. 23, n. 4, p. 460, doi. 10.2463/mrms.mp.2023-0031
By:
- Naoto Fujita;
- Suguru Yokosawa;
- Toru Shirai;
- Yasuhiko Terada
Publication type:
Article
Simultaneous Arterial and Venous Imaging Using 3D Quantitative Parameter Mapping.
Published in:
Magnetic Resonance in Medical Sciences, 2024, v. 23, n. 1, p. 56, doi. 10.2463/mrms.mp.2021-0170
By:
- Tomoki Amemiya;
- Suguru Yokosawa;
- Yo Taniguchi;
- Ryota Sato;
- Yoshihisa Soutome;
- Hisaaki Ochi;
- Toru Shirai
Publication type:
Article
Three-dimensional Multi-parameter Mapping of Relaxation Times and Susceptibility Using Partially RF-spoiled Gradient Echo.
Published in:
Magnetic Resonance in Medical Sciences, 2023, v. 22, n. 4, p. 459, doi. 10.2463/mrms.mp.2021-0045
By:
- Yo Taniguchi;
- Suguru Yokosawa;
- Toru Shirai;
- Ryota Sato;
- Tomoki Amemiya;
- Yoshihisa Soutome;
- Yoshitaka Bito;
- Hisaaki Ochi
Publication type:
Article
Utility of Wavelet Denoising with Geometry Factor Weighting for Gadoxetic Acid-enhanced Hepatobiliary-phase MR Imaging.
Published in:
Magnetic Resonance in Medical Sciences, 2023, v. 22, n. 2, p. 241, doi. 10.2463/mrms.mp.2022-0041
By:
- Shota Kondo;
- Yuko Nakamura;
- Toru Higaki;
- Takashi Nishihara;
- Masahiro Takizawa;
- Toru Shirai;
- Motoshi Fujimori;
- Yoshitaka Bito;
- Keigo Narita;
- Takahiro Sueoka;
- Yukiko Honda;
- Chihiro Tani;
- Kazuo Awai
Publication type:
Article
Efficacy of Quantitative Susceptibility Mapping with Brain Surface Correction and Vein Removal for Detecting Increase Magnetic Susceptibility in Patients with Alzheimer's Disease.
Published in:
Magnetic Resonance in Medical Sciences, 2023, v. 22, n. 1, p. 87, doi. 10.2463/mrms.mp.2021-0015
By:
- Akinori Yamaguchi;
- Kohsuke Kudo;
- Ryota Sato;
- Yasuo Kawata;
- Niki Udo;
- Masaaki Matsushima;
- Ichiro Yabe;
- Makoto Sasaki;
- Masafumi Harada;
- Noriyuki Matsukawa;
- Toru Shirai;
- Hisaaki Ochi;
- Yoshitaka Bito
Publication type:
Article
Quantitative Susceptibility Mapping versus R2*-based Histogram Analysis for Evaluating Liver Fibrosis: Preliminary Results.
Published in:
Magnetic Resonance in Medical Sciences, 2022, v. 21, n. 4, p. 609, doi. 10.2463/mrms.mp.2020-0175
By:
- Masato Yoshikawa;
- Kohsuke Kudo;
- Taisuke Harada;
- Kazutaka Harashima;
- Jun Suzuki;
- Koji Ogawa;
- Taro Fujiwara;
- Mutsumi Nishida;
- Ryota Sato;
- Toru Shirai;
- Yoshitaka Bito
Publication type:
Article
Transient lower limb pain following accidental thoracic subarachnoid insertion of an epidural catheter.
Published in:
Journal of Anesthesia, 2009, v. 23, n. 4, p. 601, doi. 10.1007/s00540-009-0804-x
By:
- FUYUTA, MASAKI;
- TAKASUGI, YOSHIHIRO;
- MORIMOTO, MASAHIRO;
- SHIRAI, TORU;
- MORIMOTO, MITSUO;
- KOGA, YOSHIHISA
Publication type:
Article
Accelerating FLAIR imaging via deep learning reconstruction: potential for evaluating white matter hyperintensities.
Published in:
Japanese Journal of Radiology, 2025, v. 43, n. 2, p. 200, doi. 10.1007/s11604-024-01666-5
By:
- Nishioka, Noriko;
- Shimizu, Yukie;
- Kaneko, Yukio;
- Shirai, Toru;
- Suzuki, Atsuro;
- Amemiya, Tomoki;
- Ochi, Hisaaki;
- Bito, Yoshitaka;
- Takizawa, Masahiro;
- Ikebe, Yohei;
- Kameda, Hiroyuki;
- Harada, Taisuke;
- Fujima, Noriyuki;
- Kudo, Kohsuke
Publication type:
Article
Correlation analysis between magnetic susceptibility in MRI and amyloid β in PET: Neuroimaging / Multi‐modal comparisons.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2020, v. 16, n. 11, p. 1, doi. 10.1002/alz.040064
By:
- Sato, Ryota;
- Kudo, Kohsuke;
- Yamaguchi, Akinori;
- Udo, Niki;
- Matsushima, Masaaki;
- Yabe, Ichiro;
- Sasaki, Makoto;
- Harada, Masafumi;
- Matsukawa, Noriyuki;
- Amemiya, Tomoki;
- Kawata, Yasuo;
- Bito, Yoshitaka;
- Ochi, Hisaaki;
- Shirai, Toru
Publication type:
Article
IC‐P‐139: A MULTICENTER STUDY OF THE CORRELATION BETWEEN THE QUANTITATIVE SUSCEPTIBILITY MAPPING OF MAGNETIC RESONANCE IMAGING AND AMYLOID POSITRON EMISSION TOMOGRAPHY.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2019, v. 15, p. P114, doi. 10.1016/j.jalz.2019.06.4253
By:
- Kudo, Kohsuke;
- Sato, Ryota;
- Yamaguchi, Akinori;
- Udo, Niki;
- Matsushima, Masaaki;
- Yabe, Ichiro;
- Sasaki, Makoto;
- Harada, Masafumi;
- Matsukawa, Noriyuki;
- Shirai, Toru;
- Kawata, Yasuo;
- Ochi, Hisaaki;
- Bito, Yoshitaka
Publication type:
Article
IC‐P‐139: A MULTICENTER STUDY OF THE CORRELATION BETWEEN THE QUANTITATIVE SUSCEPTIBILITY MAPPING OF MAGNETIC RESONANCE IMAGING AND AMYLOID POSITRON EMISSION TOMOGRAPHY.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2019, v. 15, p. P114, doi. 10.1016/j.jalz.2019.06.4253
By:
- Kudo, Kohsuke;
- Sato, Ryota;
- Yamaguchi, Akinori;
- Udo, Niki;
- Matsushima, Masaaki;
- Yabe, Ichiro;
- Sasaki, Makoto;
- Harada, Masafumi;
- Matsukawa, Noriyuki;
- Shirai, Toru;
- Kawata, Yasuo;
- Ochi, Hisaaki;
- Bito, Yoshitaka
Publication type:
Article
P2‐388: DETECTION OF INCREASED MAGNETIC SUSCEPTIBILITIES IN THE CEREBRAL CORTEX IN PATIENTS WITH ALZHEIMER'S DISEASE: COMPARISON OF QUANTITATIVE SUSCEPTIBILITY MAPPING BETWEEN CONVENTIONAL AND BRAIN SURFACE CORRECTION METHOD.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2018, v. 14, p. P848, doi. 10.1016/j.jalz.2018.06.1079
By:
- Yamaguchi, Akinori;
- Kudo, Kohsuke;
- Sato, Ryota;
- Kawata, Yasuo;
- Udo, Niki;
- Matsushima, Masaaki;
- Yabe, Ichiro;
- Shirai, Toru;
- Ochi, Hisaaki;
- Bito, Yoshitaka
Publication type:
Article
P2‐384: HYBRID SEQUENCE AND ANALYSIS OF T1‐WEIGHTED IMAGING AND QUANTITATIVE SUSCEPTIBILITY MAPPING FOR EARLY DIAGNOSIS OF ALZHEIMER'S DISEASES.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2018, v. 14, p. P845, doi. 10.1016/j.jalz.2018.06.1075
By:
- Sato, Ryota;
- Kudo, Kohsuke;
- Kawata, Yasuo;
- Udo, Niki;
- Matsushima, Masaaki;
- Yabe, Ichiro;
- Yamaguchi, Akinori;
- Shirai, Toru;
- Bito, Yoshitaka;
- Ochi, Hisaaki
Publication type:
Article
IC‐P‐194: DETECTION OF INCREASED MAGNETIC SUSCEPTIBILITIES IN THE CEREBRAL CORTEX IN PATIENTS WITH ALZHEIMER'S DISEASE: COMPARISON OF QUANTITATIVE SUSCEPTIBILITY MAPPING BETWEEN CONVENTIONAL AND BRAIN SURFACE CORRECTION METHOD.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2018, v. 14, p. P160, doi. 10.1016/j.jalz.2018.06.2261
By:
- Yamaguchi, Akinori;
- Kudo, Kohsuke;
- Sato, Ryota;
- Kawata, Yasuo;
- Udo, Niki;
- Matsushima, Masaaki;
- Yabe, Ichiro;
- Shirai, Toru;
- Ochi, Hisaaki;
- Bito, Yoshitaka
Publication type:
Article
IC‐P‐188: HYBRID SEQUENCE AND ANALYSIS OF T1‐WEIGHTED IMAGING AND QUANTITATIVE SUSCEPTIBILITY MAPPING FOR EARLY DIAGNOSIS OF ALZHEIMER'S DISEASE.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2018, v. 14, p. P156, doi. 10.1016/j.jalz.2018.06.2255
By:
- Sato, Ryota;
- Kudo, Kohsuke;
- Kawata, Yasuo;
- Udo, Niki;
- Matsushima, Masaaki;
- Yabe, Ichiro;
- Yamaguchi, Akinori;
- Shirai, Toru;
- Bito, Yoshitaka;
- Ochi, Hisaaki
Publication type:
Article
Unusually large ephedrine-induced blood pressure increases due to cardiac sympathetic denervation supersensitivity in a patient with Parkinson’s disease.
Published in:
JA Clinical Reports, 2018, v. 4, n. 1, p. 1, doi. 10.1186/s40981-018-0181-2
By:
- Shirai, Toru;
- Kitaura, Atsuhiro;
- Uehara, Keiji;
- Uchida, Tomohisa;
- Fuyuta, Masaki;
- Iwamoto, Tatushige;
- Hiramatsu, Kenji;
- Nakao, Shinichi
Publication type:
Article
A spinal cord infarction that occurred after laparoscopic gastrectomy performed under general anesthesia and epidural analgesia.
Published in:
JA Clinical Reports, 2018, v. 4, n. 1, p. 1, doi. 10.1186/s40981-017-0138-x
By:
- Houri, Kei;
- Hamasaki, Shinichi;
- Tsujimoto, Takatoshi;
- Uchida, Tomohisa;
- Iwamoto, Tatsushige;
- Shirai, Toru;
- Nakao, Shinichi
Publication type:
Article

Works by Toru Shirai

Utility of under-sampled scans with iterative reconstruction and high-frequency preserving transform for high spatial resolution magnetic resonance cholangiopancreatography.

Phase I Randomized Trial of <sup>17</sup>O‐Labeled Water: Safety and Feasibility Study of Indirect Proton MRI for the Evaluation of Cerebral Water Dynamics.

Simple modification of arm position improves B<sub>1</sub><sup>+</sup> and signal homogeneity in the thoracolumbar spine at 3T.

A diagnostic index based on quantitative susceptibility mapping and voxel-based morphometry may improve early diagnosis of Alzheimer's disease.

Numerical and Clinical Evaluation of the Robustness of Open-source Networks for Parallel MR Imaging Reconstruction.

Simultaneous Arterial and Venous Imaging Using 3D Quantitative Parameter Mapping.

Three-dimensional Multi-parameter Mapping of Relaxation Times and Susceptibility Using Partially RF-spoiled Gradient Echo.

Utility of Wavelet Denoising with Geometry Factor Weighting for Gadoxetic Acid-enhanced Hepatobiliary-phase MR Imaging.

Efficacy of Quantitative Susceptibility Mapping with Brain Surface Correction and Vein Removal for Detecting Increase Magnetic Susceptibility in Patients with Alzheimer's Disease.

Quantitative Susceptibility Mapping versus R2*-based Histogram Analysis for Evaluating Liver Fibrosis: Preliminary Results.

Transient lower limb pain following accidental thoracic subarachnoid insertion of an epidural catheter.

Accelerating FLAIR imaging via deep learning reconstruction: potential for evaluating white matter hyperintensities.

Correlation analysis between magnetic susceptibility in MRI and amyloid β in PET: Neuroimaging / Multi‐modal comparisons.

IC‐P‐139: A MULTICENTER STUDY OF THE CORRELATION BETWEEN THE QUANTITATIVE SUSCEPTIBILITY MAPPING OF MAGNETIC RESONANCE IMAGING AND AMYLOID POSITRON EMISSION TOMOGRAPHY.

IC‐P‐139: A MULTICENTER STUDY OF THE CORRELATION BETWEEN THE QUANTITATIVE SUSCEPTIBILITY MAPPING OF MAGNETIC RESONANCE IMAGING AND AMYLOID POSITRON EMISSION TOMOGRAPHY.

P2‐388: DETECTION OF INCREASED MAGNETIC SUSCEPTIBILITIES IN THE CEREBRAL CORTEX IN PATIENTS WITH ALZHEIMER'S DISEASE: COMPARISON OF QUANTITATIVE SUSCEPTIBILITY MAPPING BETWEEN CONVENTIONAL AND BRAIN SURFACE CORRECTION METHOD.

P2‐384: HYBRID SEQUENCE AND ANALYSIS OF T1‐WEIGHTED IMAGING AND QUANTITATIVE SUSCEPTIBILITY MAPPING FOR EARLY DIAGNOSIS OF ALZHEIMER'S DISEASES.

IC‐P‐194: DETECTION OF INCREASED MAGNETIC SUSCEPTIBILITIES IN THE CEREBRAL CORTEX IN PATIENTS WITH ALZHEIMER'S DISEASE: COMPARISON OF QUANTITATIVE SUSCEPTIBILITY MAPPING BETWEEN CONVENTIONAL AND BRAIN SURFACE CORRECTION METHOD.

IC‐P‐188: HYBRID SEQUENCE AND ANALYSIS OF T1‐WEIGHTED IMAGING AND QUANTITATIVE SUSCEPTIBILITY MAPPING FOR EARLY DIAGNOSIS OF ALZHEIMER'S DISEASE.

Unusually large ephedrine-induced blood pressure increases due to cardiac sympathetic denervation supersensitivity in a patient with Parkinson’s disease.

A spinal cord infarction that occurred after laparoscopic gastrectomy performed under general anesthesia and epidural analgesia.