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N. Ohnari · SciRah

Researcher profile · Semantic Scholar

N. Ohnari

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N. Ohnari — researcher profile on SciRah

h-index: 21
Works: 44
Citations: 1,110

Most-cited papers

Usefulness of cone-beam volume CT with flat panel detectors in conjunction with catheter angiography for transcatheter arterial embolization.
S. Kakeda, Y. Korogi, N. Ohnari, J. Moriya +3 more
2007Journal of Vascular and Interventional Radiology128 citations
Semantic Scholar
Detection of brain metastasis at 3T: comparison among SE, IR-FSE and 3D-GRE sequences
S. Kakeda, Y. Korogi, Y. Hiai, N. Ohnari +5 more
2007European Radiology92 citations
Semantic Scholar
Effect of prophylactic hyperbaric oxygen treatment for radiation-induced brain injury after stereotactic radiosurgery of brain metastases.
T. Ohguri, H. Imada, K. Kohshi, S. Kakeda +5 more
2007International Journal of Radiation Oncology, Biology, Physics77 citations
Semantic Scholar
Gray and white matter volumetric and diffusion tensor imaging (DTI) analyses in the early stage of first-episode schizophrenia.
J. Moriya, S. Kakeda, O. Abe, Naoki Goto +8 more
2010Schizophrenia Research67 citations
Semantic Scholar
Brain MR Findings in Patients with Systemic Lupus Erythematosus with and without Antiphospholipid Antibody Syndrome
Kaichi Yoko, S. Kakeda, J. Moriya, N. Ohnari +6 more
2014American Journal of Neuroradiology60 citations Open access
Semantic Scholar
Prediction of hard meningiomas: quantitative evaluation based on the magnetic resonance signal intensity
Keita Watanabe, S. Kakeda, J. Yamamoto, S. Ide +3 more
2016Acta Radiologica55 citations
Semantic Scholar
Internal structures of the globus pallidus in patients with Parkinson’s disease: evaluation with quantitative susceptibility mapping (QSM)
S. Ide, S. Kakeda, I. Ueda, Keita Watanabe +14 more
2015European Radiology50 citations
Semantic Scholar
Human subthalamic nucleus: evaluation with high-resolution MR imaging at 3.0 T
M. Kitajima, Y. Korogi, S. Kakeda, J. Moriya +6 more
2008Neuroradiology50 citations
Semantic Scholar
Pitfalls of 3D FLAIR brain imaging: a prospective comparison with 2D FLAIR.
S. Kakeda, Y. Korogi, Y. Hiai, N. Ohnari +2 more
2012Academic Radiology40 citations
Semantic Scholar
Delineation of optic nerves and chiasm in close proximity to large suprasellar tumors with contrast-enhanced FIESTA MR imaging.
Keita Watanabe, S. Kakeda, J. Yamamoto, Rieko Watanabe +4 more
2012Radiology39 citations
Semantic Scholar
A Cone-Beam Volume CT Using a 3D Angiography System with a Flat Panel Detector of Direct Conversion Type: Usefulness for Superselective Intra-arterial Chemotherapy for Head and Neck Tumors
S. Kakeda, Y. Korogi, Y. Miyaguni, J. Moriya +4 more
2007American Journal of Neuroradiology32 citations Open access
Semantic Scholar
A novel tract imaging technique of the brainstem using phase difference enhanced imaging: normal anatomy and initial experience in multiple system atrophy
S. Kakeda, Y. Korogi, T. Yoneda, Johji Nishimura +8 more
2011European Radiology29 citations Open access
Semantic Scholar
Effect of Tube Voltage on Image Quality in 64-Section Multidetector 3D CT Angiography: Evaluation with a Vascular Phantom with Superimposed Bone Skull Structures
Y. Murakami, S. Kakeda, Koji Kamada, N. Ohnari +5 more
2010American Journal of Neuroradiology29 citations Open access
Semantic Scholar
Delineation of optic radiation and stria of Gennari on high-resolution phase difference enhanced imaging.
S. Ide, S. Kakeda, Y. Korogi, T. Yoneda +8 more
2012Academic Radiology28 citations Open access
Semantic Scholar
The Usefulness of Three-Dimensional Angiography with a Flat Panel Detector of Direct Conversion Type in a Transcatheter Arterial Chemoembolization Procedure for Hepatocellular Carcinoma: Initial Experience
S. Kakeda, Y. Korogi, Yoshihisa Hatakeyama, N. Ohnari +3 more
2008Cardiovascular and Interventional Radiology27 citations
Semantic Scholar
Influence of work shift on glutamic acid and gamma-aminobutyric acid (GABA): evaluation with proton magnetic resonance spectroscopy at 3T.
S. Kakeda, Y. Korogi, J. Moriya, N. Ohnari +5 more
2011Psychiatry Research26 citations
Semantic Scholar
Signal intensity of motor and sensory cortices on T2-weighted and FLAIR images: intraindividual comparison of 1.5T and 3T MRI
K. Kamada, S. Kakeda, N. Ohnari, J. Moriya +2 more
2008European Radiology26 citations
Semantic Scholar
Diagnosis of intracranial hemorrhagic lesions: comparison between 3D-SWAN (3D T2*-weighted imaging with multi-echo acquisition) and 2D-T2*-weighted imaging
Yoshiko Hayashida, S. Kakeda, Y. Hiai, Satoshi Ide +6 more
2014Acta Radiologica25 citations
Semantic Scholar
Partial loss of hippocampal striation in medial temporal lobe epilepsy: pilot evaluation with high-spatial-resolution T2-weighted MR imaging at 3.0 T.
Mai Hanamiya, Y. Korogi, S. Kakeda, N. Ohnari +6 more
2009Radiology25 citations
Semantic Scholar
Signal Intensity of the Motor Cortex on Phase-Weighted Imaging at 3T
S. Kakeda, Y. Korogi, Koji Kamada, N. Ohnari +5 more
2008American Journal of Neuroradiology24 citations Open access
Semantic Scholar
Hepatic sarcoidosis associated with chronic hepatitis C
S. Yamada, S. Mine, Takeshi Fujisaki, N. Ohnari +2 more
2002Journal of gastroenterology21 citations
Semantic Scholar
Intracranial 2D and 3D DSA with flat panel detector of the direct conversion type: initial experience
Yoshihisa Hatakeyama, S. Kakeda, Y. Korogi, N. Ohnari +4 more
2006European Radiology19 citations
Semantic Scholar
Normal Flow Signal of the Pterygoid Plexus on 3T MRA in Patients without DAVF of the Cavernous Sinus
Keita Watanabe, S. Kakeda, Rieko Watanabe, N. Ohnari +1 more
2013American Journal of Neuroradiology17 citations Open access
Semantic Scholar
MRA of intracranial aneurysms embolized with platinum coils: A vascular phantom study at 1.5T and 3T
S. Kakeda, Y. Korogi, Y. Hiai, Toru Sato +3 more
2008Journal of Magnetic Resonance Imaging17 citations Open access
Semantic Scholar
Reduction of radiation dose for cerebral angiography using flat panel detector of direct conversion type: a vascular phantom study.
Yoshihisa Hatakeyama, S. Kakeda, N. Ohnari, Junji Moriya +4 more
2007AJNR. American journal of neuroradiology14 citations
Semantic Scholar
Internal Structures of the Globus Pallidus in Patients with Parkinson’s Disease: Evaluation with Phase Difference-enhanced Imaging
S. Ide, S. Kakeda, T. Yoneda, J. Moriya +10 more
2016Magnetic Resonance in Medical Sciences13 citations Open access
Semantic Scholar
3D digital subtraction angiography of intracranial aneurysms: comparison of flat panel detector with conventional image intensifier TV system using a vascular phantom.
S. Kakeda, Y. Korogi, N. Ohnari, Yoshihisa Hatakeyama +4 more
2007AJNR. American journal of neuroradiology13 citations
Semantic Scholar
Juxtacortical Lesions in Multiple Sclerosis: Assessment of Gray Matter Involvement Using Phase Difference-enhanced Imaging (PADRE)
K. Futatsuya, S. Kakeda, T. Yoneda, I. Ueda +9 more
2016Magnetic Resonance in Medical Sciences12 citations Open access
Semantic Scholar
Parkinson’s disease: diagnostic potential of high-resolution phase difference enhanced MR imaging at 3 T
S. Kakeda, Y. Korogi, T. Yoneda, Keita Watanabe +11 more
2012European Radiology11 citations
Semantic Scholar
3D TOF MRA of intracranial aneurysms at 1.5 T and 3 T: influence of matrix, parallel imaging, and acquisition time on image quality - a vascular phantom study.
Y. Hiai, S. Kakeda, Toru Sato, N. Ohnari +5 more
2008Academic Radiology10 citations
Semantic Scholar
[Cerebral infarction and intracranial aneurysm related to the reactivation of varicella zoster virus in a Japanese acquired immunodeficiency syndrome (AIDS) patient].
C. Yasuda, K. Okada, N. Ohnari, Naoki Akamatsu +1 more
2013Rinshō shinkeigaku Clinical neurology8 citations Open access
Semantic Scholar
Superficial siderosis associated with a chronic subdural hematoma: T2-weighted MR imaging at 3T.
S. Kakeda, Y. Korogi, N. Ohnari, Johji Nishimura +3 more
2010Academic Radiology8 citations Open access
Semantic Scholar
Asymptomatic Bochdalek hernia diagnosed by magnetic resonance imaging.
A. Uchino, N. Yoshida, N. Ohnari, M. Ohno
1990Radiation Medicine5 citations
Semantic Scholar
Systemic lupus erythematosus: prediction by MRI of the subsequent development of brain lesions.
K. Futatsuya, S. Kakeda, Kaichi Yoko, J. Moriya +4 more
2014Academic Radiology4 citations Open access
Semantic Scholar
Hepatic inflow vessels caliber as an index for liver function.
T. Ezaki, Tetsuya Mitsudomi, M. Ikeda, Y. Yoshida +2 more
1996Hepato-Gastroenterology4 citations
Semantic Scholar
MR imaging of intracranial vertebral artery occlusion
A. Uchino, N. Ohnari, M. Ohno
2004Neuroradiology3 citations
Semantic Scholar
Partial Loss of Hippocampal Striation in Medial Temporal Lobe Epilepsy: Pilot Evaluation with High-Spatial-ResolutionT2-weighted
Mai Hanamiya, Y. Korogi, S. Kakeda, N. Ohnari +5 more
20091 citations
Semantic Scholar
[MRI of internal carotid occlusion and high-grade carotid stenosis].
A. Uchino, N. Ohnari, M. Ohno
1989Nihon Igaku Hoshasen Gakkai zasshi. Nippon acta radiologica1 citations
Semantic Scholar
[Paradoxical worsening ocular movement in idiopathic carotid-cavernous fistula without conjunctival congestion--case report].
Y. Kinoshita, Atsukuni Harada, N. Ohnari, A. Yokota
2004Journal of UOEH0 citations Open access
Semantic Scholar
[The efficacy of bone scintigraphy screening in postoperative follow-up of breast cancer patients].
N. Ohnari, H. Shiozaki, Yoichi Ishino, H. Nakata
1990Gan no rinsho. Japan journal of cancer clinics0 citations
Semantic Scholar
[MRI of middle cerebral artery occlusion].
A. Uchino, N. Ohnari, M. Ohno
1989Nihon Igaku Hoshasen Gakkai zasshi. Nippon acta radiologica0 citations
Semantic Scholar
[Acute hypertensive intracranial hemorrhage: MR imaging at 1.5T].
A. Uchino, N. Ohnari, M. Ohno
1989Nihon Igaku Hoshasen Gakkai zasshi. Nippon acta radiologica0 citations
Semantic Scholar
[MR imaging of acute hemorrhagic brain infarction].
A. Uchino, N. Ohnari, M. Ohno
1989Nihon Igaku Hoshasen Gakkai zasshi. Nippon acta radiologica0 citations
Semantic Scholar
Chemotherapy for Head and Neck Tumors Usefulness for Superselective Intra-arterial Detector of Direct Conversion Type: Angiography System with a Flat Panel A Cone-Beam Volume CT Using a 3D
S. Kakeda, Y. Korogi, Y. Miyaguni, J. Moriya +4 more
0 citations
Semantic Scholar

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