Cognitive impairment and cortical degeneration in neuromyelitis optica

…, Y Toyoshima, A Yokoseki, K Okamoto… - Annals of …, 2013 - Wiley Online Library
Objective: Neuromyelitis optica spectrum disorder (NMOsd) is an inflammatory and demyelinating
syndrome characterized by optic neuritis and myelitis. Several magnetization transfer …

Hypertrophic pachymeningitis: significance of myeloperoxidase anti-neutrophil cytoplasmic antibody

…, T Kosaka, M Hokari, Y Toyoshima, K Okamoto… - Brain, 2014 - academic.oup.com
The aim of this study was to elucidate the characteristics, pathogenesis and treatment
strategy of hypertrophic pachymeningitis that is associated with myeloperoxidase anti-neutrophil …

MR features of diseases involving bilateral middle cerebellar peduncles

K Okamoto, S Tokiguchi, T Furusawa… - American Journal …, 2003 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Distribution of lesions or involvement of specific anatomic
sites can suggest the diagnosis of disease. The purpose of this study was to investigate what …

High-resolution CT findings in the development of the sphenooccipital synchondrosis.

K Okamoto, J Ito, S Tokiguchi… - American Journal of …, 1996 - Am Soc Neuroradiology
PURPOSE To evaluate the development of the sphenooccipital sychondrosis as seen on
high-resolution thin-section CT scans. METHODS We retrospectively reviewed the records of …

High frequency of calcification in basal ganglia on brain computed tomography images in J apanese older adults

M Yamada, T Asano, K Okamoto… - Geriatrics & …, 2013 - Wiley Online Library
Aim To investigate the frequency of calcification in the basal ganglia and the dentate nuclei
in the cerebellum, and compare the difference in age and area, we examined the brain …

Clinicopathological features in anterior visual pathway in neuromyelitis optica

…, F Yanagimura, Y Toyoshima, K Okamoto… - Annals of …, 2016 - Wiley Online Library
Objective Neuromyelitis optica spectrum disorder (NMOsd) is an autoimmune disorder of the
central nervous system characterized by aquaporin‐4 (AQP4) autoantibodies. The aim of …

Reliable diagnosis of IDH-mutant glioblastoma by 2-hydroxyglutarate detection: a study by 3-T magnetic resonance spectroscopy

…, H Aoki, H Takahashi, A Kakita, K Okamoto… - Neurosurgical …, 2018 - Springer
We have previously reported that reliable detection of 2-hydroxyglutarate (2HG) in isocitrate
dehydrogenase (IDH)-mutant WHO grade 2 and 3 gliomas is possible utilizing 3.0-T single-…

[HTML][HTML] Accumulation of 2-hydroxyglutarate in gliomas correlates with survival: a study by 3.0-tesla magnetic resonance spectroscopy

…, Y Tsukamoto, T Kobayashi, H Aoki, K Okamoto… - Acta neuropathologica …, 2014 - Springer
Introduction Previous magnetic resonance spectroscopy (MRS) and mass spectroscopy
studies have shown accumulation of 2-hydroxyglutarate (2HG) in mutant isocitrate …

PRES: posterior reversible encephalopathy syndrome

K Okamoto, K Motohashi, H Fujiwara… - Brain and Nerve …, 2017 - europepmc.org
Posterior reversible encephalopathy syndrome (PRES) is suggested in patients with acute
neurological symptoms in the appropriate clinical context, including acute hypertension, …

Quantitative evaluation of brainstem involvement in multiple system atrophy by diffusion-weighted MR imaging

…, O Onodera, K Tanaka, S Tsuji, K Okamoto… - Journal of …, 2004 - Springer
In multiple system atrophy (MSA), symptoms associated with dysfunctions of the brainstem
and autonomic nervous system are important prognostic factors. We investigated brainstem …