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List of works by Koji Yamashita

3D MR sequence capable of simultaneous image acquisitions with and without blood vessel suppression: utility in diagnosing brain metastases.

scientific article published on 24 November 2014

3D Turbo Spin-Echo Sequence with Motion-Sensitized Driven-Equilibrium Preparation for Detection of Brain Metastases on 3T MR Imaging ⬇️

scientific article published on February 3, 2011

3D turbo field echo with diffusion-sensitized driven-equilibrium preparation technique (DSDE-TFE) versus echo planar imaging in evaluation of diffusivity of retinoblastoma

scientific article published on 16 September 2016

4D ASL-based MR angiography for visualization of distal arteries and leptomeningeal collateral vessels in moyamoya disease: a comparison of techniques

scientific article published on 08 May 2018

A Qualitative and Quantitative Correlation Study of Lumbar Intervertebral Disc Degeneration Using Glycosaminoglycan Chemical Exchange Saturation Transfer, Pfirrmann Grade, and T1-ρ

scientific article published on 10 May 2018

A case of multiple system atrophy-parkinsonian type with stuttering- and palilalia-like dysfluencies and putaminal atrophy

scientific article published on 14 November 2017

Accelerated territorial arterial spin labeling based on shared rotating control acquisition: an observer study for validation.

scientific article published on 26 July 2011

Acceleration-selective Arterial Spin-labeling MR Angiography Used to Visualize Distal Cerebral Arteries and Collateral Vessels in Moyamoya Disease.

scientific article published on 15 September 2017

Acceleration-selective arterial spin labeling MR angiography for visualization of brain arteriovenous malformations

scientific article published on 23 April 2019

Additional MR contrast dosage for radiologists' diagnostic performance in detecting brain metastases: a systematic observer study at 3 T.

scientific article published on 24 June 2014

Additive value of "otosclerosis-weighted" images for the CT diagnosis of fenestral otosclerosis.

scientific article published in January 2017

Age-related microstructural changes in subcortical white matter during postadolescent periods in men revealed by diffusion-weighted MR imaging

scientific article

Alzheimer's disease: diagnosis by different methods of voxel-based morphometry.

scientific article published in March 2012

Amide Proton Transfer Imaging of Diffuse Gliomas: Effect of Saturation Pulse Length in Parallel Transmission-Based Technique

scientific article

Amide proton transfer imaging of adult diffuse gliomas: correlation with histopathological grades.

scientific article published on 04 December 2013

Amide proton transfer imaging of brain tumors using a self-corrected 3D fast spin-echo dixon method: Comparison With separate B0 correction

scientific article published on 6 July 2016

An intraorbital wooden foreign body: description of a case and a variety of CT appearances

scientific article published on 9 March 2007

Arterial Spin-labeling in Central Nervous System Infection.

scientific article published on 21 March 2016

Arterial spin labeling in patients with chronic cerebral artery steno-occlusive disease: correlation with (15)O-PET.

scientific article published on 22 October 2012

Arterial spin labeling of hemangioblastoma: differentiation from metastatic brain tumors based on quantitative blood flow measurement

scientific article published on 10 November 2011

Arterial spin labelling at 3-T MR imaging for detection of individuals with Alzheimer’s disease

scientific article published in December 2009

Arterial spin-labeling is useful for the diagnosis of residual or recurrent meningiomas.

scientific article published on 13 April 2018

Arterial spin-labeling magnetic resonance imaging: the timing of regional maximal perfusion-related signal intensity revealed by a multiphase technique.

scientific article

Asymmetrical cerebral perfusion demonstrated by noninvasive arterial spin-labeling perfusion imaging in a patient with corticobasal degeneration.

scientific article published on 30 January 2010

Balloon test occlusion of internal carotid artery: Angiographic findings predictive of results

scientific article

CT and MRI findings of human herpesvirus 6-associated encephalopathy: comparison with findings of herpes simplex virus encephalitis

scientific article

Cerebral blood flow laterality derived from arterial spin labeling as a biomarker for assessing the disease severity of parkinson's disease.

scientific article

Cerebral syphilitic gumma mimicking glioma: Utility of CT perfusion.

scientific article

Clinical Significance of Prenatal and Postnatal Heavily T2-Weighted Magnetic Resonance Images in Patients with Myelomeningocele.

scientific article published on 26 September 2015

Clinical efficacy of simplified intravoxel incoherent motion imaging using three b-values for differentiating high- and low-grade gliomas

scientific article published in PLoS ONE

Contributing factors in the pathogenesis of acquired cholesteatoma: size analysis based on MDCT.

scientific article published in May 2011

Correlation between arterial spin-labeling perfusion and histopathological vascular density of pediatric intracranial tumors

scientific article published on 30 August 2017

Cortical damage in Alzheimer's disease estimation in medial and lateral aspects of the cerebrum using an improved mapping method based on diffusion-weighted magnetic resonance imaging.

scientific article

Cortical thickness difference across the central sulcus visualized in the presence of vasogenic edema

scientific article published on 30 July 2007

Cystadenoma of the liver with ovarian-like stroma: case report

scientific article published on 26 October 2005

Detection of middle ear cholesteatoma by diffusion-weighted MR imaging: multishot echo-planar imaging compared with single-shot echo-planar imaging

scientific article published on 21 July 2011

Deterioration of abstract reasoning ability in mild cognitive impairment and Alzheimer's disease: correlation with regional grey matter volume loss revealed by diffeomorphic anatomical registration through exponentiated lie algebra analysis.

scientific article published on 31 August 2010

Diagnosis of Alzheimer's Disease: Two MRI-Based Approaches

scientific article published on 31 October 2010

Diagnostic utility of intravoxel incoherent motion mr imaging in differentiating primary central nervous system lymphoma from glioblastoma multiforme.

scientific article

Differences between primary central nervous system lymphoma and glioblastoma: topographic analysis using voxel-based morphometry

scientific article published on 08 August 2019

Differentiating primary CNS lymphoma from glioblastoma multiforme: assessment using arterial spin labeling, diffusion-weighted imaging, and ¹⁸F-fluorodeoxyglucose positron emission tomography

scientific article published on 9 September 2012

Differentiation of high-grade and low-grade diffuse gliomas by intravoxel incoherent motion MR imaging ⬇️

scientific article

Diffusion-weighted magnetic resonance imaging of extraocular muscles in patients with Grave's ophthalmopathy using turbo field echo with diffusion-sensitized driven-equilibrium preparation

scientific article published on 21 March 2018

Diffusivity of intraorbital lymphoma vs. IgG4-related DISEASE: 3D turbo field echo with diffusion-sensitised driven-equilibrium preparation technique.

scientific article published on 6 November 2013

Diffusivity of intraorbital lymphoma vs. inflammation: comparison of single shot turbo spin echo and multishot echo planar imaging techniques

scientific article published on 4 August 2017

Early findings on brain computed tomography and the prognosis of post-cardiac arrest syndrome: application of the score for stroke patients.

scientific article published on 4 January 2012

Evaluation of chronic inflammatory demyelinating polyneuropathy: 3D nerve-sheath signal increased with inked rest-tissue rapid acquisition of relaxation enhancement imaging (3D SHINKEI).

scientific article published on 21 May 2016

Evaluation of diffusivity in pituitary adenoma: 3D turbo field echo with diffusion-sensitized driven-equilibrium preparation

scientific article published on 17 May 2016

Evaluation of glioblastomas and lymphomas with whole-brain CT perfusion: Comparison between a delay-invariant singular-value decomposition algorithm and a Patlak plot.

scientific article published on 2 March 2016

Grading diffuse gliomas without intense contrast enhancement by amide proton transfer MR imaging: comparisons with diffusion- and perfusion-weighted imaging.

scientific article published on 22 March 2016

High Resolution Diffusion-Weighted Imaging for Solitary Orbital Tumors : 3D Turbo Field Echo with Diffusion-Sensitized Driven-Equilibrium (DSDE-TFE) Preparation Technique

scientific article published on 17 January 2017

High-resolution STIR for 3-T MRI of the posterior fossa: visualization of the lower cranial nerves and arteriovenous structures related to neurovascular compression

scientific article published on 01 September 2012

High-resolution three-dimensional diffusion-weighted MRI/CT image data fusion for cholesteatoma surgical planning: a feasibility study

scientific article

High-resolution three-dimensional diffusion-weighted imaging of middle ear cholesteatoma at 3.0 T MRI: usefulness of 3D turbo field-echo with diffusion-sensitized driven-equilibrium preparation (TFE-DSDE) compared to single-shot echo-planar imaging.

scientific article published on 20 May 2013

Histogram analysis with automated extraction of brain-tissue region from whole-brain CT images.

scientific article published on 18 December 2015

Improved Visualization of Middle Ear Cholesteatoma with Computed Diffusion-weighted Imaging

scientific article published on 06 December 2018

Intra- and interhemispheric variations of diffusivity in subcortical white matter in normal human brain.

scientific article

Intravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic Utility

scientific article published on 25 April 2019

Intravoxel incoherent motion magnetic resonance imaging findings in the acute phase of MELAS: a case report.

scientific article published on 11 September 2014

Kyphoplasty and vertebroplasty produce the same degree of height restoration.

scientific article published on 8 January 2009

Lumbar plexus in patients with chronic inflammatory demyelinating polyneuropathy: Evaluation with 3D nerve-sheath signal increased with inked rest-tissue rapid acquisition of relaxation enhancement imaging (3D SHINKEI).

scientific article

Lumbar plexus in patients with chronic inflammatory demyelinating polyradiculoneuropathy: evaluation with simultaneous T mapping and neurography method with SHINKEI

scientific article published on 17 September 2018

MR Imaging Findings of a Leiomyosarcoma of the Thoracic Spine: A Case Report.

scientific article published on 14 July 2015

MR Imaging-Based Analysis of Glioblastoma Multiforme: Estimation of IDH1 Mutation Status

scientific article

MR tractography based on directional diffusion function validation in somatotopic organization of the pyramidal tract.

scientific article

MRI of glossopharyngeal neuralgia caused by neurovascular compression

scientific article published on 01 August 2008

Measurement of the perfusion fraction in brain tumors with intravoxel incoherent motion MR imaging: validation with histopathologic vascular density in meningiomas.

scientific article published on 7 February 2018

Minute subsequent fracture at prophylactically treated adjacent vertebra after percutaneous vertebroplasty

scientific article published on 30 August 2013

Morphologic change in vertebral body after percutaneous vertebroplasty: follow-up with MDCT

scientific article published on 01 September 2010

Optimal scan timing for artery-vein separation at whole-brain CT angiography using a 320-row MDCT volume scanner.

scientific article published on 20 December 2016

Prevalence and clinicopathological features of H3.3 G34-mutant high-grade gliomas: a retrospective study of 411 consecutive glioma cases in a single institution.

scientific article published on 26 April 2017

Prognostic Utility of Computed Tomography Histogram Analysis in Patients With Post-Cardiac Arrest Syndrome: Evaluation Using an Automated Whole-Brain Extraction Algorithm

scientific article published on 7 March 2016

Pseudoprogression following concurrent temozolomide and radiotherapy in a patient with glioblastoma: findings on functional imaging techniques

scientific article published on December 1, 2010

Quantitative perfusion imaging with pulsed arterial spin labeling: a phantom study

scientific article

Regional gray and white matter volume abnormalities in obsessive-compulsive disorder: a voxel-based morphometry study.

scientific article published on 15 September 2010

Resolution of epidural hematoma related to osteoporotic fracture after percutaneous vertebroplasty

scientific article

Scan-rescan reproducibility of parallel transmission based amide proton transfer imaging of brain tumors.

scientific article published on 30 March 2015

Sensorineural hearing loss: there is no correlation with isolated dysplasia of the lateral semi-circular canal on temporal bone CT.

scientific article published in March 2011

Simultaneous MR neurography and apparent T2 mapping in brachial plexus: Evaluation of patients with chronic inflammatory demyelinating polyradiculoneuropathy

scientific article published on 25 September 2018

Simultaneous arterial spin labeling cerebral blood flow and morphological assessments for detection of Alzheimer's disease.

scientific article published on 9 September 2011

Structural changes in Parkinson's disease: voxel-based morphometry and diffusion tensor imaging analyses based on 123I-MIBG uptake

scientific article

Subsequent fracture after percutaneous vertebroplasty can be predicted on preoperative multidetector row CT

scientific article published on 30 July 2009

The radiological diagnosis of fenestral otosclerosis: the utility of histogram analysis using multidetector row CT.

scientific article published on 18 February 2014

Ultrahigh-resolution CT scan of the temporal bone

scientific article published on 22 August 2018

Ultrashort TE MRI: Usefulness after percutaneous vertebroplasty

scientific article published on 01 November 2010

Ultrashort echo time imaging of normal middle ear ossicles: a feasibility study.

scientific article published on 29 June 2012

Usefulness of cone-beam CT before and after percutaneous vertebroplasty

scientific article published on 01 November 2008

Usefulness of perfusion- and diffusion-weighted imaging to differentiate between pilocytic astrocytomas and high-grade gliomas: a multicenter study in Japan.

scientific article published on 15 February 2018

Volumetric asymmetry and differential aging effect of the human caudate nucleus in normal individuals: a prospective MR imaging study.

scientific article published in January 2011

[Percutaneous vertebroplasty]

scientific article published on 01 September 2007

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