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Y. Ichikawa · SciRah

Researcher profile · Semantic Scholar

Y. Ichikawa

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Y. Ichikawa — researcher profile on SciRah

h-index: 20
Works: 136
Citations: 2,225

Most-cited papers

Native T1 Mapping and Extracellular Volume Mapping for the Assessment of Diffuse Myocardial Fibrosis in Dilated Cardiomyopathy.
Shiro Nakamori, K. Dohi, M. Ishida, Yoshitaka Goto +10 more
2018JACC Cardiovascular Imaging238 citations Open access
Semantic Scholar
Deep learning image reconstruction for improvement of image quality of abdominal computed tomography: comparison with hybrid iterative reconstruction
Y. Ichikawa, Yoshinori Kanii, Akio Yamazaki, N. Nagasawa +4 more
2021Japanese Journal of Radiology65 citations
Semantic Scholar
Cardiovascular magnetic resonance feature tracking for characterization of patients with heart failure with preserved ejection fraction: correlation of global longitudinal strain with invasive diastolic functional indices
Haruno Ito, M. Ishida, Wakana Makino, Yoshitaka Goto +6 more
2020Journal of Cardiovascular Magnetic Resonance60 citations Open access
Semantic Scholar
Deep learning image reconstruction for improving image quality of contrast-enhanced dual-energy CT in abdomen
M. Sato, Y. Ichikawa, Kensuke Domae, K. Yoshikawa +6 more
2022European Radiology54 citations Open access
Semantic Scholar
Perfusion CT to Assess Response to Neoadjuvant Chemotherapy and Radiation Therapy in Pancreatic Ductal Adenocarcinoma: Initial Experience.
A. Hamdy, Y. Ichikawa, Y. Toyomasu, M. Nagata +4 more
2019Radiology36 citations
Semantic Scholar
The value of Bayesian penalized likelihood reconstruction for improving lesion conspicuity of malignant lung tumors on 18F-FDG PET/CT: comparison with ordered subset expectation maximization reconstruction incorporating time-of-flight model and point spread function correction
Yoshie Kurita, Y. Ichikawa, Toshihiro Nakanishi, Yoya Tomita +4 more
2020Annals of Nuclear Medicine23 citations Open access
Semantic Scholar
Comparison of Displacement Encoding With Stimulated Echoes to Magnetic Resonance Feature Tracking for the Assessment of Myocardial Strain in Patients With Acute Myocardial Infarction.
Yoshitaka Goto, M. Ishida, S. Takase, A. Sigfridsson +5 more
2017American Journal of Cardiology23 citations
Semantic Scholar
Myocardial Native T1 Predicts Load-Independent Left Ventricular Chamber Stiffness In Patients With HFpEF.
Taku Omori, Shiro Nakamori, Naoki Fujimoto, M. Ishida +9 more
2020JACC Cardiovascular Imaging22 citations Open access
Semantic Scholar
Combined Assessment of Stress Myocardial Perfusion Cardiovascular Magnetic Resonance and Flow Measurement in the Coronary Sinus Improves Prediction of Functionally Significant Coronary Stenosis Determined by Fractional Flow Reserve in Multivessel Disease
Shiro Nakamori, H. Sakuma, K. Dohi, M. Ishida +12 more
2018Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease21 citations Open access
Semantic Scholar
Early Alteration in Apparent Diffusion Coefficient and Tumor Volume in Cervical Cancer Treated with Chemoradiotherapy or Radiotherapy: Incremental Prognostic Value over Pretreatment Assessments.
Yui Watanabe, S. Nakamura, Y. Ichikawa, Noriko Ii +5 more
2020Radiotherapy and Oncology19 citations Open access
Semantic Scholar
Ultra-low-dose coronary computed tomography angiography using photon-counting detector computed tomography
S. Araki, S. Nakamura, M. Takafuji, Y. Ichikawa +2 more
2024European heart journal. Imaging methods and practice17 citations Open access
Semantic Scholar
Usefulness of second-generation motion correction algorithm in improving delineation and reducing motion artifact of coronary computed tomography angiography.
S. Yamaguchi, Y. Ichikawa, M. Takafuji, Hajime Sakuma +1 more
2024Journal of cardiovascular computed tomography17 citations Open access
Semantic Scholar
Respiratory-gated time-of-flight PET/CT during whole-body scan for lung lesions: feasibility in a routine clinical setting and quantitative analysis
N. Suzawa, Y. Ichikawa, M. Ishida, Yoya Tomita +2 more
2016Annals of Nuclear Medicine15 citations
Semantic Scholar
Visceral adipose tissue percentage compared to body mass index as better indicator of surgical outcomes in women with obesity and endometrial cancer.
Kenta Yoshida, Eiji Kondo, Masaki Ishida, Y. Ichikawa +8 more
2024Journal of minimally invasive gynecology13 citations Open access
Semantic Scholar
Clinical Validation of the Accuracy of Absolute Myocardial Blood Flow Quantification with Dual-Source CT Using 15O-Water PET.
M. Takafuji, K. Kitagawa, M. Ishida, Y. Ichikawa +5 more
2021Radiology: Cardiothoracic Imaging13 citations Open access
Semantic Scholar
Rheumatoid arthritis disease activity significantly impacts on the severity of interstitial lung disease
Y. Ito, Y. Ichikawa, S. Murashima, Hajime Sakuma +1 more
2024Arthritis Research & Therapy11 citations Open access
Semantic Scholar
Long-term prognostic value of whole-heart coronary magnetic resonance angiography
S. Nakamura, M. Ishida, Kei Nakata, Y. Ichikawa +7 more
2021Journal of Cardiovascular Magnetic Resonance9 citations Open access
Semantic Scholar
Application of Deep Learning-Based Denoising Technique for Radiation Dose Reduction in Dynamic Abdominal CT: Comparison with Standard-Dose CT Using Hybrid Iterative Reconstruction Method
M. Nagata, Y. Ichikawa, Kensuke Domae, K. Yoshikawa +5 more
2023Journal of digital imaging8 citations Open access
Semantic Scholar
The Effect of Misregistration Between CT-Attenuation and PET-Emission Images in 13N-Ammonia Myocardial PET/CT
Yoya Tomita, M. Ishida, Y. Ichikawa, N. Suzawa +4 more
2016Journal of Nuclear Medicine Technology8 citations Open access
Semantic Scholar
Radiomics-based prediction of nonalcoholic fatty liver disease following pancreatoduodenectomy
Takehiro Fujii, Y. Iizawa, Takumi Kobayashi, Aoi Hayasaki +8 more
2024Surgery today (Print)7 citations
Semantic Scholar
Low energy virtual monochromatic CT with deep learning image reconstruction to improve delineation of endoleaks.
T. Higashigawa, Y. Ichikawa, K. Nakajima, Tatsuhiro Kobayashi +6 more
2024Clinical Radiology7 citations Open access
Semantic Scholar
Effect of Gaussian Smoothing Filter Size for CT-Based Attenuation Correction on Quantitative Assessment of Bone SPECT/CT: A Phantom Study
Yoya Tomita, Y. Ichikawa, Kengo Hashizume, H. Sakuma
2023Journal of digital imaging7 citations Open access
Semantic Scholar
18F-FDG uptake as a predictive factor for progressive aortic enlargement in aortic dissection
T. Higashigawa, Y. Ichikawa, S. Chino, K. Nakajima +6 more
2020Annals of Nuclear Medicine7 citations
Semantic Scholar
Improved visualization of temporal bone structures with photon-counting detector CT: An intra-patient comparison.
Hiroshi Sakaida, Kento Takeichi, Y. Ichikawa, Akio Yamazaki +1 more
2025Auris, nasus, larynx6 citations
Semantic Scholar
Usefulness of dictionary learning-based processing for improving image quality of sub-millisievert low-dose chest CT: initial experience
Yoshinori Kanii, Y. Ichikawa, R. Nakayama, M. Nagata +4 more
2019Japanese Journal of Radiology6 citations
Semantic Scholar
Interplay Between Epicardial Adipose Tissue and Left Ventricular Stiffness in Heart Failure With Preserved Ejection Fraction.
Shiro Nakamori, Taku Omori, Naoki Fujimoto, Masaki Ishida +4 more
2025Circulation5 citations
Semantic Scholar
Mixed epithelial and stromal tumor of the kidney with long-term imaging follow-up
Kensuke Domae, Y. Ichikawa, M. Kubooka, M. Nagata +8 more
2023Radiology Case Reports5 citations Open access
Semantic Scholar
Quantitative assessment of ^99mTc-methylene diphosphonate bone SPECT/CT for assessing bone metastatic burden and its prognostic value in patients with castration-resistant prostate cancers: initial results in a single-center retrospective study
Takashi Oya, Y. Ichikawa, S. Nakamura, Yoya Tomita +3 more
2023Annals of Nuclear Medicine5 citations
Semantic Scholar
Serial Native T1 Assessment for LV Functional Recovery in Recent-Onset DCM: A Comparison With Histology.
J. Ishiura, Shiro Nakamori, M. Ishida, K. Imanaka-Yoshida +9 more
2021JACC Cardiovascular Imaging5 citations Open access
Semantic Scholar
Ultra-High Spatial Resolution Images of the Temporal Bone Obtained With a Newly Released Photon-Counting Detector Computed Tomography.
H. Sakaida, Y. Ichikawa, Akio Yamazaki, Hajime Sakuma +1 more
2024Ear, nose, & throat journal4 citations Open access
Semantic Scholar
Preliminary results of reduced myocardial blood flow in the subacute phase after radiation therapy for thoracic esophageal cancer: A quantitative analysis with stress dynamic myocardial computed tomography perfusion imaging.
A. Takada, Y. Ichikawa, S. Nakamura, Y. Toyomasu +10 more
2022Radiotherapy and Oncology4 citations Open access
Semantic Scholar
Usefulness of abdominal belt for restricting respiratory cardiac motion and improving image quality in myocardial perfusion PET
Y. Ichikawa, Yoya Tomita, M. Ishida, Shigeki Kobayashi +2 more
2018Journal of Nuclear Cardiology4 citations
Semantic Scholar
Impact of tailored feedback on optimization and radiation dose reduction in coronary CT angiography: a comparative survey between 2021 and 2023 in Mie prefecture
S. Araki, K. Kitagawa, M. Fujita, S. Yamaguchi +6 more
2025Japanese Journal of Radiology3 citations
Semantic Scholar
The Usefulness of Low-Kiloelectron Volt Virtual Monochromatic Contrast-Enhanced Computed Tomography with Deep Learning Image Reconstruction Technique in Improving the Delineation of Pancreatic Ductal Adenocarcinoma
Y. Ichikawa, Yoshinori Kanii, Akio Yamazaki, M. Kobayashi +3 more
2024Journal of Imaging Informatics in Medicine3 citations Open access
Semantic Scholar
Associating the Severity of Emphysema with Coronary Flow Reserve and Left Atrial Conduit Function for the Emphysema Patients with Known or Suspected Coronary Artery Disease
M. Kubooka, M. Ishida, M. Takafuji, Haruno Ito +7 more
2022Magnetic Resonance in Medical Sciences3 citations Open access
Semantic Scholar
Narrowing of the QRS complex, elimination of late gadolinium enhancement and remarkable reverse remodeling achieved by optimal medical treatment in non-ischemic dilated cardiomyopathy.
S. Fukuoka, K. Dohi, Y. Ichikawa, T. Tanigawa +2 more
2017Journal of Cardiology Cases3 citations Open access
Semantic Scholar
Validation of Ultra-Low-Dose Coronary Artery Calcium Scoring Using Photon-Counting Computed Tomography: Sn100 kVp High-Pitch Acquisition With Virtual Monochromatic Imaging.
S. Araki, S. Nakamura, M. Deguchi, S. Yamaguchi +6 more
2026JACC Cardiovascular Imaging2 citations
Semantic Scholar
Association Between Geriatric Nutritional Risk Index and Discharge Outcome after Elective Thoracic Endovascular Aortic Repair
T. Ouchi, Noriyuki Kato, H. Kato, T. Higashigawa +8 more
2025Cardiovascular and Interventional Radiology2 citations
Semantic Scholar
Low-tube-potential ultra-high-resolution coronary CTA with photon-counting detector CT for stent evaluation: a comparative feasibility study
S. Araki, S. Nakamura, Shiko Okabe, M. Takafuji +3 more
2025Japanese Journal of Radiology2 citations Open access
Semantic Scholar
Evaluation of Effectiveness of Thoracic Endovascular Treatment for Infectious Aortic Diseases.
H. Kato, Noriyuki Kato, T. Ouchi, T. Higashigawa +8 more
2024Journal of Vascular and Interventional Radiology2 citations Open access
Semantic Scholar
Hemolytic Anemia Caused by Graft Kinking Following Ascending Aortic Replacement: Endovascular Treatment With a Palmaz XL Stent
H. Kato, Noriyuki Kato, T. Ouchi, T. Higashigawa +4 more
2023Vascular and Endovascular Surgery2 citations
Semantic Scholar
Impact of CT tube-voltage and bone density on the quantitative assessment of tracer uptake in Tc-99m bone SPECT/CT: A phantom study.
Kengo Hashizume, Y. Ichikawa, Yoya Tomita, H. Sakuma
2022Physica medica (Testo stampato)2 citations Open access
Semantic Scholar
Shine-through artifact due to high-radioactivity bladder and bowel gas in 18F-FDG PET/CT: impact of time-of-flight algorithm and radioactivity concentration of urine in the bladder on the occurrence of the artifacts
Yoya Tomita, Y. Ichikawa, H. Sakuma
2022Annals of Nuclear Medicine2 citations
Semantic Scholar
Assessment of coronary flow velocity reserve with phase-contrast cine magnetic resonance imaging in patients with heavy coronary calcification
Takatoshi Higashikawa, Y. Ichikawa, M. Ishida, K. Kitagawa +2 more
2019The International Journal of Cardiovascular Imaging2 citations
Semantic Scholar
Native T1 mapping allows for the accurate detection of the segments with chronic myocardial infarction in patients with known or suspected coronary artery disease
Yoshitaka Goto, M. Ishida, Akimasa Yamada, Mio Uno +6 more
2016Journal of Cardiovascular Magnetic Resonance2 citations Open access
Semantic Scholar
Improved image quality and greater diagnostic suitability in myocardial delayed enhancement CT with deep learning image reconstruction
Akio Yamazaki, Y. Ichikawa, S. Nakamura, T. Kokawa +6 more
2026Japanese Journal of Radiology1 citations Open access
Semantic Scholar
Radiologic Prevalence of the Round Window Niche Veil in a Japanese Cohort Using Ultra-High-Resolution Photon-Counting Detector CT.
Hiroshi Sakaida, Y. Ichikawa, Akio Yamazaki, Hajime Sakuma
2025Otology and Neurotology1 citations
Semantic Scholar
Splenic vein resection is not a risk factor for delayed gastric emptying after pancreaticoduodenectomy with combined resection of the portal or superior mesenteric vein
Koki Maeda, N. Kuriyama, Motonori Nagata, Y. Ichikawa +14 more
2025Surgery today (Print)1 citations
Semantic Scholar
Radiological Prevalence of Superior Semicircular Canal Dehiscence with Ultra-High-Resolution Photon-Counting Detector CT
Hiroshi Sakaida, Y. Ichikawa, Akio Yamazaki, Hajime Sakuma
2025Clinical Neuroradiology1 citations Open access
Semantic Scholar
Assessing Cardiomyocyte DNA Damage Using Cardiovascular Magnetic Resonance T1 Mapping
M. Ichikawa, Shiro Nakamori, Masaki Ishida, R. Okamoto +13 more
2025JACC: Advances1 citations Open access
Semantic Scholar

Frequent co-authors

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H. Sakuma×28
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H. Sakuma — researcher profile on SciRah
M. Ishida×20
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M. Ishida — researcher profile on SciRah
K. Kitagawa×15
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K. Kitagawa — researcher profile on SciRah
Akio Yamazaki×10
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Akio Yamazaki — researcher profile on SciRah

×10

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M. Nagata — researcher profile on SciRah

S. Nakamura×10

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S. Nakamura — researcher profile on SciRah

M. Takafuji×10

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M. Takafuji — researcher profile on SciRah

Hajime Sakuma×10

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Hajime Sakuma — researcher profile on SciRah

Shiro Nakamori×9

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Shiro Nakamori — researcher profile on SciRah

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K. Dohi — researcher profile on SciRah

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Yoya Tomita — researcher profile on SciRah

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Masaaki Ito — researcher profile on SciRah