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Works (48)

Advances in multimodal imaging for adrenal gland disorders: integrating CT, MRI, and nuclear medicine

Japanese Journal of Radiology
2025-01-11 | Journal article
DOI: 10.1007/s11604-025-01732-6
Contributors: Kota Yokoyama; Mitsuru Matsuki; Takanori Isozaki; Kimiteru Ito; Tomoki Imokawa; Akane Ozawa; Koichiro Kimura; Junichi Tsuchiya; Ukihide Tateishi
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Crossref

18F-FAZA, 18F-FDG, and 123I-IMP Imaging Reveal Hypoxia and Metabolism in Acute MOGAD

Clinical Nuclear Medicine
2025-01-09 | Journal article
DOI: 10.1097/RLU.0000000000005671
Contributors: Kota Yokoyama; Junichi Tsuchiya; Hiroya Kuwahara; Motoki Inaji; Ukihide Tateishi
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Crossref

Brain perfusion SPECT in dementia: what radiologists should know

Japanese Journal of Radiology
2024-11 | Journal article
DOI: 10.1007/s11604-024-01612-5
Contributors: Tomoki Imokawa; Kota Yokoyama; Kanae Takahashi; Jun Oyama; Junichi Tsuchiya; Nobuo Sanjo; Ukihide Tateishi
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Crossref

Epithelioid hemangioma, a benign vascular lesion mimicking malignancy in [18F]FDG PET/CT

European Journal of Nuclear Medicine and Molecular Imaging
2024-06 | Journal article
DOI: 10.1007/s00259-024-06651-8
Contributors: Masayuki Shimada; Kota Yokoyama; Tomoyuki Fujioka; Hiroki Mori; Ukihide Tateishi
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Crossref

Phase I/IIa trial of 18F-prostate specific membrane antigen (PSMA) 1007 PET/CT in healthy volunteers and prostate cancer patients

Japanese Journal of Clinical Oncology
2024-03-09 | Journal article
DOI: 10.1093/jjco/hyad166
Contributors: Ukihide Tateishi; Koichiro Kimura; Junichi Tsuchiya; Daisuke Kano; Tadashi Watabe; Norio Nonomura; Katsuhiko Saito; Kota Yokoyama; Ken Yamagiwa; Takuya Adachi et al.
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Crossref

[18F]FDG PET/CT Findings of Mass-Forming Actinomycosis in an Uncontrolled Diabetic Patient

Nuclear Medicine and Molecular Imaging
2024-02 | Journal article
DOI: 10.1007/s13139-023-00815-4
Contributors: Yusuke Kawasaki; Junichi Tsuchiya; Akihisa Tasaki; Ukihide Tateishi; Kota Yokoyama
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Crossref

Intraventricular Pleomorphic Xanthoastrocytoma: A Case Report and Systemic Review

Cureus
2024-01-18 | Journal article
DOI: 10.7759/cureus.52510
Part of ISSN: 2168-8184
Contributors: Xiaotong Wu; Kota Yokoyama; Kazutaka Sumita; Yoji Tanaka; Ukihide Tateishi
Source: Self-asserted source
Kota Yokoyama

A Case of Radiation-Induced Brachial Plexopathy Below the Tolerance Dose

Cureus
2024-01-15 | Journal article
DOI: 10.7759/cureus.52283
Part of ISSN: 2168-8184
Contributors: Akane Masumoto; Kota Yokoyama; Meika Namba; Kazuma Sasamura; Ryo-ichi Yoshimura
Source: Self-asserted source
Kota Yokoyama

Correlation between choline kinase alpha expression and 11C-choline accumulation in breast cancer using positron emission tomography/computed tomography: a retrospective study

Scientific Reports
2023-10-17 | Journal article
DOI: 10.1038/s41598-023-44542-4
Part of ISSN: 2045-2322
Contributors: Akane Ozawa; Masako Iwasaki; Kota Yokoyama; Junichi Tsuchiya; Ryutaro Kawano; Hiroshi Nishihara; Ukihide Tateishi
Source: Self-asserted source
Kota Yokoyama

Deep convolutional neural network for differentiating between sarcoidosis and lymphoma based on [18F]FDG maximum-intensity projection images

European Radiology
2023-08-03 | Journal article
DOI: 10.1007/s00330-023-09937-x
Part of ISSN: 1432-1084
Contributors: Hikaru Aoki; YASUNARI MIYAZAKI; Tatsuhiko Anzai; Kota Yokoyama; Junichi Tsuchiya; Tsuyoshi Shirai; Sho Shibata; Rie Sakakibara; Takahiro Mitsumura; Takayuki Honda et al.
Source: Self-asserted source
Kota Yokoyama

[18F]-FDG PET/CT is useful for early detection of Stewart-Treves syndrome, in patients with chronic lymphedema

European Journal of Nuclear Medicine and Molecular Imaging
2023-07 | Journal article
DOI: 10.1007/s00259-023-06231-2
Contributors: Ryota Ichikawa; Kota Yokoyama; Junichi Tsuchiya; Takeshi Namiki; Ukihide Tateishi
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Crossref

Imaging Features of Ectopic Tissues and Their Complications: Embryologic and Anatomic Approach

RadioGraphics
2023-06-01 | Journal article
DOI: 10.1148/rg.220111
Part of ISSN: 0271-5333
Part of ISSN: 1527-1323
Contributors: Mariko Kurokawa; Ryo Kurokawa; Kentaro Tamura; Akira Baba; Yoshiaki Ota; Moto Nakaya; Kota Yokoyama; John Kim; Toshio Moritani; Osamu Abe
Source: Self-asserted source
Kota Yokoyama

A rare case of primary intraosseous carcinoma of the mandible with perineural extension mimicking neurolymphomatosis on [18F]-FDG PET/CT

European Journal of Nuclear Medicine and Molecular Imaging
2023-05 | Journal article
DOI: 10.1007/s00259-022-06085-0
Contributors: Kota Yokoyama; Junichi Tsuchiya; Hiroaki Kawabe; Takahiro Asakage; Ukihide Tateishi
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Crossref

The potential value of thallium‐201 scintigraphy in the diagnosis of squamous cell carcinoma arising from extensive pyoderma

The Journal of Dermatology
2023-02-28 | Journal article
DOI: 10.1111/1346-8138.16756
Part of ISSN: 0385-2407
Part of ISSN: 1346-8138
Contributors: Takeshi Namiki; Moe Makiguchi; Shogo Wada; Hind Al-Busani; Makiko Nishida; Tsukasa Ugajin; Keiko Miura; Kota Yokoyama; Naoko Okiyama
Source: Self-asserted source
Kota Yokoyama

Branch-like enhancement on contrast enhanced MRI is a specific finding of cerebellar lymphoma compared with other pathologies

Scientific Reports
2022-03-04 | Journal article
DOI: 10.1038/s41598-022-07581-x
Part of ISSN: 2045-2322
Contributors: Kota Yokoyama; Jun Oyama; Junichi Tsuchiya; Jun Karakama; Kaoru Tamura; Motoki Inaji; Yoji Tanaka; Daisuke Kobayashi; Taketoshi Maehara; Ukihide Tateishi
Source: Self-asserted source
Kota Yokoyama

A Rare Case of Radiation-Induced Liver Disease in Treated Abdominal Lymphoma Showing High [18F]FDG Avidity and Low EOB Uptake Proportional to the Irradiation Dose

Diagnostics
2022-02-16 | Journal article
DOI: 10.3390/diagnostics12020504
Contributors: Aya Usami; Kota Yokoyama; Junichi Tsuchiya; Yoshihiro Umezawa; Kazuma Toda; Ukihide Tateishi; Ryoichi Yoshimura
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Image quality and quantification accuracy dependence on patient body mass in 89Zr PET/CT imaging

EJNMMI Physics
2021-12 | Journal article
DOI: 10.1186/s40658-021-00420-4
Part of ISSN: 2197-7364
Source: Self-asserted source
Kota Yokoyama

SMARCA4-deficient thoracic tumor detected by [18F]FDG PET/CT

European Journal of Hybrid Imaging
2021-12 | Journal article
DOI: 10.1186/s41824-021-00102-5
Contributors: Tsubasa Okazaki; Kota Yokoyama; Jyunichi Tsuchiya; Takayuki Honda; Yuya Ishikawa; Susumu Kirimura; Yasunari Miyazaki; Ukihide Tateishi
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Crossref

Safety and response after peptide receptor radionuclide therapy with 177 Lu‐DOTATATE for neuroendocrine tumors in phase 1/2 prospective Japanese trial

Journal of Hepato-Biliary-Pancreatic Sciences
2021-12-27 | Journal article
DOI: 10.1002/jhbp.1101
Part of ISSN: 1868-6974
Part of ISSN: 1868-6982
Source: Self-asserted source
Kota Yokoyama

A useful case of ultrasound-guided axillary lymph node aspiration in a breast cancer patient with improved needle visibility

Radiology Case Reports
2021-11 | Journal article
DOI: 10.1016/j.radcr.2021.07.069
Part of ISSN: 1930-0433
Source: Self-asserted source
Kota Yokoyama

Impact of 18F-FDG PET/CT in Predicting Recurrence in Neurolymphomatosis

Hemato
2021-09-16 | Journal article
DOI: 10.3390/hemato2030038
Part of ISSN: 2673-6357
Source: Self-asserted source
Kota Yokoyama
grade
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A Rare Case of Primary Breast Osteosarcoma Evaluated with Multiple Modalities

Diagnostics
2021-06-28 | Journal article
DOI: 10.3390/diagnostics11071170
Contributors: Tomoyuki Fujioka; Mio Mori; Iichiroh Onishi; Yuka Yashima; Emi Yamaga; Jun Oyama; Kota Yokoyama; Kazunori Kubota; Goshi Oda; Tsuyoshi Nakagawa et al.
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Active Herpes Zoster Mimicking Worsening of Axillary Lymph Node Metastases of Breast Cancer after Chemotherapy on 18F-Fluorodeoxyglucose Positron-Emission Tomography/Computed Tomography

Diagnostics
2021-06-14 | Journal article
DOI: 10.3390/diagnostics11061085
Contributors: Tomoyuki Fujioka; Kota Yokoyama; Mio Mori; Yuka Yashima; Emi Yamaga; Kazunori Kubota; Jun Oyama; Goshi Oda; Tsuyoshi Nakagawa; Ukihide Tateishi
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What is this image? 2021 image 1 result : A rare case of right ventricular metastasis in renal cell carcinoma detected by thallium-201 scintigraphy.

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology
2021-06-09 | Journal article
DOI: 10.1007/s12350-021-02694-8
PMID: 34109504
Source: Self-asserted source
Kota Yokoyama

Incidental T2 hyperintensities in the medial part of the bilateral globus pallidus are possibly an age-related physiological finding.

The neuroradiology journal
2021-05-05 | Journal article
DOI: 10.1177/19714009211014129
PMID: 33949230
Source: Self-asserted source
Kota Yokoyama
grade
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Comparison of [18F]FDG PET/CT and MRI for Treatment Response Assessment in Multiple Myeloma: A Meta-Analysis

Diagnostics
2021-04-15 | Journal article
DOI: 10.3390/diagnostics11040706
Contributors: Kota Yokoyama; Junichi Tsuchiya; Ukihide Tateishi
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Crossref
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Deep learning-based image quality improvement of <sup>18</sup>F-fluorodeoxyglucose positron emission tomography: a retrospective observational study.

EJNMMI physics
2021-03-25 | Journal article
DOI: 10.1186/s40658-021-00377-4
PMID: 33765233
PMC: PMC7994470
Source: Self-asserted source
Kota Yokoyama

Additional Value of [18F]FDG PET or PET/CT for Response Assessment of Patients with Gastrointestinal Stromal Tumor Undergoing Molecular Targeted Therapy: A Meta-Analysis

Diagnostics
2021-03-08 | Journal article
DOI: 10.3390/diagnostics11030475
Contributors: Kota Yokoyama; Junichi Tsuchiya; Yuji Nakamoto; Ukihide Tateishi
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Phase I clinical study of NMB58, a novel positron emission tomography (PET)-myocardial perfusion imaging tracer, conducted to evaluate its safety and pharmacokinetics in Japanese healthy adult males.

Annals of nuclear medicine
2021-03-01 | Journal article
DOI: 10.1007/s12149-021-01601-y
PMID: 33649886
Source: Self-asserted source
Kota Yokoyama
grade
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Large vessel vasculitis: imaging standards of <sup>18</sup>F-FDG PET/CT.

Japanese journal of radiology
2020-10-27 | Journal article
DOI: 10.1007/s11604-020-01059-4
PMID: 33106969
Source: Self-asserted source
Kota Yokoyama

A rare case of cranial and spinal leptomeningeal dissemination of recurrent ethmoid carcinoma detected by [18F]-FDG PET/CT.

European journal of nuclear medicine and molecular imaging
2020-09-25 | Journal article
DOI: 10.1007/s00259-020-05048-7
PMID: 32974735
Source: Self-asserted source
Kota Yokoyama

Perineural spread of gastric cancer to the sciatic nerve incidentally detected by <sup>18</sup>F-FDG PET/CT.

European journal of nuclear medicine and molecular imaging
2020-08-10 | Journal article
DOI: 10.1007/s00259-020-04977-7
PMID: 32778929
Source: Self-asserted source
Kota Yokoyama
grade
Preferred source (of 2)‎

Computed tomography findings of early-stage TAFRO syndrome and associated adrenal abnormalities.

European radiology
2020-05-21 | Journal article
DOI: 10.1007/s00330-020-06919-1
PMID: 32440781
Source: Self-asserted source
Kota Yokoyama
grade
Preferred source (of 2)‎

Neurocognitive dysfunction and brain FDG-PET/CT findings in HIV-infected hemophilia patients and HIV-infected non-hemophilia patients.

PloS one
2020-03-19 | Journal article
DOI: 10.1371/journal.pone.0230292
PMID: 32191714
PMC: PMC7082013
Source: Self-asserted source
Kota Yokoyama
grade
Preferred source (of 2)‎

Differentiation Between Dementia With Lewy Bodies And Alzheimer's Disease Using Voxel-Based Morphometry Of Structural MRI: A Multicenter Study.

Neuropsychiatric disease and treatment
2019-09-19 | Journal article
DOI: 10.2147/ndt.s222966
PMID: 31571887
PMC: PMC6757232
Source: Self-asserted source
Kota Yokoyama

A Fundamental Study Assessing the Diagnostic Performance of Deep Learning for a Brain Metastasis Detection Task.

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine
2019-07-26 | Journal article
DOI: 10.2463/mrms.mp.2019-0063
PMID: 31353336
PMC: PMC7553808
Source: Self-asserted source
Kota Yokoyama

The safety and efficacy of percutaneous vertebroplasty for patients over 90 years old.

Japanese journal of radiology
2018-12-01 | Journal article
DOI: 10.1007/s11604-018-0797-1
PMID: 30506449
Source: Self-asserted source
Kota Yokoyama

Artificial intelligence using neural network architecture for radiology (AINNAR): classification of MR imaging sequences.

Japanese journal of radiology
2018-09-19 | Journal article
DOI: 10.1007/s11604-018-0779-3
PMID: 30232585
Source: Self-asserted source
Kota Yokoyama

White matter abnormalities in patients with temporal lobe epilepsy and amygdala enlargement: Comparison with hippocampal sclerosis and healthy subjects

Epilepsy Research
2016-11 | Journal article
DOI: 10.1016/j.eplepsyres.2016.09.011
Part of ISSN: 0920-1211
Source: Self-asserted source
Kota Yokoyama

The cingulate island sign within early Alzheimer's disease-specific hypoperfusion volumes of interest is useful for differentiating Alzheimer's disease from dementia with Lewy bodies.

EJNMMI research
2016-09-13 | Journal article
DOI: 10.1186/s13550-016-0224-5
PMID: 27620458
PMC: PMC5020033
Source: Self-asserted source
Kota Yokoyama

Computed-tomography-guided anatomic standardization for quantitative assessment of dopamine transporter SPECT.

European journal of nuclear medicine and molecular imaging
2016-08-20 | Journal article
DOI: 10.1007/s00259-016-3496-0
PMID: 27544223
Source: Self-asserted source
Kota Yokoyama

Impaired cerebral blood flow networks in temporal lobe epilepsy with hippocampal sclerosis: A graph theoretical approach.

Epilepsy & behavior : E&B
2016-08-03 | Journal article
DOI: 10.1016/j.yebeh.2016.07.016
PMID: 27497065
Source: Self-asserted source
Kota Yokoyama

Graph Theoretical Analysis of Structural Neuroimaging in Temporal Lobe Epilepsy with and without Psychosis.

PloS one
2016-07-06 | Journal article
DOI: 10.1371/journal.pone.0158728
PMID: 27385130
PMC: PMC4934878
Source: Self-asserted source
Kota Yokoyama

Automated subfield volumetric analysis of hippocampus in temporal lobe epilepsy using high-resolution T2-weighed MR imaging.

NeuroImage. Clinical
2016-06-13 | Journal article
DOI: 10.1016/j.nicl.2016.06.008
PMID: 27489767
PMC: PMC4960104
Source: Self-asserted source
Kota Yokoyama

Intraventricular temperature measured by diffusion-weighted imaging compared with brain parenchymal temperature measured by MRS in vivo.

NMR in biomedicine
2016-04-29 | Journal article
DOI: 10.1002/nbm.3542
PMID: 27129076
Source: Self-asserted source
Kota Yokoyama

Noninvasive evaluation of the correlation between regional cerebral blood flow and intraventricular brain temperature in temporal lobe epilepsy.

Magnetic resonance imaging
2015-12-18 | Journal article
DOI: 10.1016/j.mri.2015.12.018
PMID: 26708029
Source: Self-asserted source
Kota Yokoyama

Striatal glucose hypometabolism in preadolescent-onset dentatorubral-pallidoluysian atrophy.

Journal of the neurological sciences
2015-12-03 | Journal article
DOI: 10.1016/j.jns.2015.12.002
PMID: 26723987
Source: Self-asserted source
Kota Yokoyama
grade
Preferred source (of 2)‎

Intraventricular cerebrospinal fluid temperature analysis using MR diffusion-weighted imaging thermometry in Parkinson's disease patients, multiple system atrophy patients, and healthy subjects.

Brain and behavior
2015-04-24 | Journal article
DOI: 10.1002/brb3.340
PMID: 26085965
PMC: PMC4467774
Source: Self-asserted source
Kota Yokoyama

Peer review (13 reviews for 2 publications/grants)

Review activity for Annals of nuclear medicine. (7)
Review activity for Diagnostics. (6)
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