Akira Baba

ORCID: 0000-0001-6913-5307
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About
Contact & Profiles
Research Areas
  • Head and Neck Cancer Studies
  • Glioma Diagnosis and Treatment
  • Salivary Gland Tumors Diagnosis and Treatment
  • Radiomics and Machine Learning in Medical Imaging
  • MRI in cancer diagnosis
  • Ear and Head Tumors
  • Speech Recognition and Synthesis
  • Meningioma and schwannoma management
  • Head and Neck Surgical Oncology
  • Speech and Audio Processing
  • Bone Tumor Diagnosis and Treatments
  • Ear Surgery and Otitis Media
  • Bone and Joint Diseases
  • Oral and Maxillofacial Pathology
  • Voice and Speech Disorders
  • Digital Games and Media
  • Combustion and flame dynamics
  • Cancer Diagnosis and Treatment
  • Adrenal and Paraganglionic Tumors
  • Facial Nerve Paralysis Treatment and Research
  • Impact of Technology on Adolescents
  • Infectious Diseases and Tuberculosis
  • Coal Combustion and Slurry Processing
  • Music and Audio Processing
  • Thermochemical Biomass Conversion Processes

Jikei University School of Medicine
2019-2025

University of Michigan–Ann Arbor
2021-2024

The University of Tokyo
2007-2024

Michigan United
2023

University of Algiers Benyoucef Benkhedda
2023

The Jikei University Hospital
2022

Michigan Medicine
2022

Committee on Publication Ethics
2022

Weatherford College
2022

Heliophysics
2022

Systemic lupus erythematosus (SLE) is a systemic autoimmune disease characterized by multiple immunologic abnormalities and has the potential to involve central nervous system (CNS). The prevalence of SLE seems be growing, possibly because earlier diagnosis improved survival; however, associated mortality still high. with disease-related risk factors such as activity, young age, organ damage or antiphospholipid syndrome (APS). Neuropsychiatric (NPSLE), which caused SLE-related CNS...

10.1148/rg.210045 article EN Radiographics 2022-01-01

The World Health Organization (WHO) published the fifth edition of WHO Classification Tumors Central Nervous System (WHO CNS5) in 2021, as an update central nervous system (CNS) classification 2016. CNS5 was drafted on basis recommendations from Consortium to Inform Molecular and Practical Approaches CNS Tumor Taxonomy (cIMPACT-NOW) expounds scheme previous edition, which emphasized importance genetic molecular changes characteristics tumors. Multiple newly recognized tumor types, including...

10.1148/rg.210236 article EN Radiographics 2022-07-08

Antiresorptive agent-related osteonecrosis of the jaw (ARONJ)/medication-related (MRONJ) include both bisphosphonate-related (BRONJ) and denosumab-related (DRONJ). The purpose this study is to radiological characteristics ARONJ/MRONJ. These imaging features may serve as one useful aid for assessing ARONJ/MRONJ.CT scans 74 Japanese patients, who were clinically diagnosed by inclusion criteria ARONJ/MRONJ, obtained between April 1, 2011 September 30, 2016, evaluated. We investigated CT...

10.1259/dmfr.20170323 article EN Dentomaxillofacial Radiology 2018-01-24

This study aimed to quantitatively evaluate whether non-echoplanar diffusion-weighted MRI (non-EP DWI) lesion size and detectability can predict mastoid extension complications such as labyrinthine fistula dural exposure in middle ear cholesteatoma. retrospective included 120 lesions with surgically confirmed Non-EP DWI was performed within 6 months preoperatively evaluated for measurements, including maximum axial diameter, area, volume. Surgical findings were used assess extension,...

10.2463/mrms.mp.2024-0190 article EN cc-by-nc-nd Magnetic Resonance in Medical Sciences 2025-01-01

Men are more reluctant to seek help for their problems than women. This difference is attributed social expectations regarding the male gender role. Today, help-seeking moving online: instead of traditional peer groups and counselors, people depend on online communities e-counselors. But users can appear in guises that differ from physical sex. An empirical study was conducted an game examine whether users’ avatars’ influences how they receive help. Analysis based user-to-user communications...

10.1177/1555412012440307 article EN Games and Culture 2012-01-01

Distinguishing schwannomas from paragangliomas in the head and neck determining succinate dehydrogenase (SDH) mutation status are clinically important. We aimed to assess clinical usefulness of DWI dynamic contrast-enhanced MR imaging differentiating these 2 types tumors, as well SDH paragangliomas.This retrospective study June 2016 2020 included 42 patients with 15 27 (10 mutation-positive 17 mutation-negative). ADC values, MRI parameters, tumor characteristics were compared between tumors...

10.3174/ajnr.a7266 article EN cc-by American Journal of Neuroradiology 2021-08-26

<h3>BACKGROUND AND PURPOSE:</h3> Differentiating recurrence from benign posttreatment changes has clinical importance in the imaging follow-up of head and neck cancer. This study aimed to investigate utility normalized dynamic contrast-enhanced MR ADC for their differentiation. <h3>MATERIALS METHODS:</h3> included 51 patients with a history cancer who underwent DWI-ADC, whom 25 had recurrences 26 changes. Quantitative semiquantitative parameters ROI reference region were analyzed. Normalized...

10.3174/ajnr.a7567 article EN cc-by American Journal of Neuroradiology 2022-07-14

Cholesteatoma is a progressive middle ear disease that can only be treated surgically but with high recurrence rate. Depending on the extent of disease, surgical approach, such as microsurgery retroarticular incision or transcanal endoscopic surgery, performed. However, current examination cannot sufficiently predict progression before and changes in approach may made during surgery. Large amounts data are typically required to train deep neural network models; however, prevalence...

10.1371/journal.pone.0273915 article EN cc-by PLoS ONE 2022-10-03

Abstract Widespread use of large‐vocabulary continuous speech recognition systems has recently occurred, encouraging the application techniques to various problems. One factors that adversely affect performance is a mismatch between acoustic properties system user and model. The young or middle‐aged adults generally used in constructing Thus, occurs model elderly, which may degrade rate. In this study, large‐scale elderly database (200 sentences ×301 subjects) train model, resulting...

10.1002/ecjb.20101 article EN Electronics and Communications in Japan (Part II Electronics) 2004-06-09

We retrospectively reviewed early stage oral tongue cancer patients treated with radical surgery clinically N0, between May 2009 and February 2016. Collected data include age, sex, pathological DOI, DOI on MRI, locoregional control rate, disease-free survival overall rate. These were statistically compared the detectable lesion (DL) group undetectable (UL) MRI. Interobserver agreement in evaluation of detectability was assessed by k statistics.Total 53 studied, 28 DLs 25 ULs. Pathological UL...

10.1259/dmfr.20180272 article EN Dentomaxillofacial Radiology 2019-01-04

The prediction of radiotherapy outcome in head and neck paragangliomas is clinically important. We investigated perfusion diffusion markers for evaluation response to paragangliomas.We retrospectively reviewed 330 consecutive patients from January 2016 September 2019 with suspected paragangliomas, enrolled 11 (2 males, 9 females; age: 55.2 ± 10.3 years) who had conventional MRI dynamic contrast-enhanced (DCE)-MRI before after radiation therapy. Radiation therapy, consisting external beam or...

10.1111/jon.12875 article EN Journal of Neuroimaging 2021-05-18

Invasive fungal rhinosinusitis (IFRS) is a serious infection that associated with high morbidity and mortality rates. The incidence of IFRS has been increasing, mainly because the increased use antibiotics immunosuppressive drugs. Rhino-orbital cerebral mucormycosis recently reemerged among patients affected by COVID-19 become global concern. detection extrasinus involvement in its early stage contributes to improved outcomes; therefore, imaging studies are essential establishing degree...

10.1148/rg.220059 article EN Radiographics 2022-09-30
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