Koichi Yokoyama
Kumamoto, Japan
Last Updated: 09/26/2026
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Found 15 publications
Second Percutaneous Transluminal Angioplasty Versus Surgical Reconstruction for Hemodialysis Access Failure Within a Short Time Period.
Journal: Annals of vascular surgery
Published: June 16, 2022
Brain computed tomography using iterative reconstruction to diagnose acute middle cerebral artery stroke: usefulness in combination of narrow window setting and thin slice reconstruction.
Journal: Neuroradiology
Published: November 17, 2017
Comparison of the Timing of Hepatic Arterial Phase and Image Quality Using Test-Bolus and Bolus-Tracking Techniques in Gadolinium-Ethoxybenzyl-Diethylenetriamine Pentaacetic Acid-Enhanced Hepatic Dynamic Magnetic Resonance Imaging.
Journal: Journal of computer assisted tomography
Published: February 28, 2017
Cardiac helical CT involving a low-radiation-dose protocol with a 100-kVp setting: Usefulness of hybrid iterative reconstruction and display preset optimization.
Journal: Medicine
Published: November 19, 2016
Diagnosis of small posterior fossa stroke on brain CT: effect of iterative reconstruction designed for brain CT on detection performance.
Journal: European radiology
Published: August 08, 2016
Low-Contrast and Low-Radiation Dose Protocol in Cardiac Computed Tomography: Usefulness of Low Tube Voltage and Knowledge-Based Iterative Model Reconstruction Algorithm.
Journal: Journal of computer assisted tomography
Published: May 26, 2016
Impact of Knowledge-Based Iterative Model Reconstruction in Abdominal Dynamic CT With Low Tube Voltage and Low Contrast Dose.
Journal: AJR. American journal of roentgenology
Published: March 15, 2016
Usefulness of 3D hybrid profile order technique with 3T magnetic resonance cholangiography: Comparison of image quality and acquisition time.
Journal: Journal of magnetic resonance imaging : JMRI
Published: December 27, 2015
Comparison of iterative model, hybrid iterative, and filtered back projection reconstruction techniques in low-dose brain CT: impact of thin-slice imaging.
Journal: Neuroradiology
Published: September 27, 2015
Percutaneous transhepatic portal embolization using foam ethanolamine oleate and carbon dioxide (CO₂): a pilot study.
Journal: Acta radiologica (Stockholm, Sweden : 1987)
Published: February 14, 2014
Pain control in patients with hepatocellular carcinoma treated by percutaneous radiofrequency ablation: comparison of the efficacy of one-shot and continuous intravenous fentanyl delivery.
Journal: Acta radiologica (Stockholm, Sweden : 1987)
Published: January 14, 2014
Simultaneous coil embolization and angioplasty using a self-expanding nitinol stent to treat pancreaticoduodenal artery aneurysms associated with celiac artery stenosis.
Journal: Acta radiologica (Stockholm, Sweden : 1987)
Published: June 14, 2013
Last Updated: 09/26/2026