Last Updated :2021/09/21

Affiliations, Positions
Hiroshima University Hospital(Medical), Assistant Professor
I investigate the physiological mechanism about neurological disease using the clinical experience.

Basic Information

Major Professional Backgrounds

  • 2005/04/01, 2007/03/31, Hiroshima University Hospital, junior resident
  • 2007/04/01, 2009/03/31, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, senior resident
  • 2009/04/01, 2010/03/31, National Hospital Organization Higashi-Hiroshima Medical Center, staff
  • 2010/04/01, 2014/03/31, Hiroshima University Hospital, Department of Clinical Neuroscience and Therapeutics, medical doctor
  • 2014/04/01, 2020/03/31, Suiseikai Kajikawa Hospital, Department of Neurology, Chief of medical doctor

Educational Backgrounds

  • Hiroshima University, School of Medicine , Japan, 1999/04, 2005/03
  • Hiroshima University Graduate School of Biomedical and Health Sciences, Department of Clinical Neuroscience and Therapeutics, Neurology, Japan, 2010/04, 2014/03

Academic Degrees

  • Hiroshima University

In Charge of Primary Major Programs

  • Medicine

Research Fields

  • Medicine,dentistry, and pharmacy;Clinical internal medicine;Neurology

Affiliated Academic Societies

  • Japanese Society of Internal Medicine, 2005/04
  • Japanese Society of Neurology, 2007/04
  • The Japan Stroke Society, 2007/04
  • The Japan Academy of Neurosonology, 2007/09
  • The Japanese Society of Neuropathology, 2010/11
  • Japanese Headache Society, 2011/06
  • Japan Society of Dementia Research, 2011/09
  • Japanese Society of Clinical Neurophysiology, 2011/09
  • The Japan Epilepsy Society, 2012/06
  • World Stroke Organization, 2012/09
  • Movement Disorder Society, Japan, 2012/10
  • The Japanese Society of Dysphagia Rehabilitation, 2012/10
  • Japanese Society for Clinical Nutrition and Metabolism, 2013/04
  • The Japan Geriatrics Society, 2013/10
  • The Japanese Society for Neuroimmunology, 2013/12
  • The Japan Neuroscience Society, 2014/04
  • The Society of Swallowing and Dysphagia of Japan, 2014/04
  • The Japanese Society of Neuroradiology, 2016/04
  • The Japan Society of Logopedics and Phoniatrics, 2019/04
  • Japanese Society of Neurological Therapeutics, 2021/05
  • The Japan Society of Human Genetics, 2021/07

Educational Activity

Course in Charge

  1. 2021, Undergraduate Education, First Semester, Internal Medicine I

Research Activities

Academic Papers

  1. ★, Characteristics and prognostic factors of swallowing dysfunction in patients with lateral medullary infarction, J Stroke Cerebrovasc Dis, 2021
  2. External cervical resorption detected via CBCT in a patient with MOG antibody-associated disease: a case report, Clinical Case Reports, 2021
  3. ★, Relationship between tongue pressure and dysphagia diet in patients with acute stroke, PLoS ONE., 16(6), e0252837, 2021
  4. Impact of anatomical variations on ultrasonographic reference values of lower extremity peripheral nerves, Muscle and Nerve, 63(6), 890-896, 2021
  5. Utility of Magnetic Resonance Spectroscopy for the Progression of Neurological Symptoms in Lenticulostriate Artery Territory Infarction, J Stroke Cerebrovasc Dis, 30(6), 105747, 2021
  6. Cnm-positive Streptococcus mutans and diffusion-weighted imaging hyperintensities in acute intracerebral hemorrhage, Eur J Neurol., 28(5), 1581-1589, 2021
  7. ★, Association between stroke lesions and videofluoroscopic findings in acute stroke patients., J Neurol., 268(3), 1025-1035, 2021
  8. Low dose contrast-induced encephalopathy during diagnostic cerebral angiography., Internal Medicin, 60(4), 629-633, 2021
  9. ★, Infant critical head injury could be a remote cause of middle-aged cerebral amyloid angiopathy., Interdiscip Neurosurg., 22(1), 100794, 2020
  10. ★, Delayed swallowing reflex is overlooked in swallowing screening among acute stroke patients., J Stroke Cerebrovasc Dis., 29(12), 105303, 2020
  11. Patient Health Questionnaire-9 predicts the functional outcome of stroke patients in convalescent rehabilitation ward., Brain Behav., 10(12), e01856, 2020
  12. ★, Serum IgG titers against periodontal pathogens are associated with cerebral hemorrhage growth and 3-month outcome, PLoS ONE., 15(10), e0241205, 2020
  13. Association between periodontal disease due to Campylobacter rectus and cerebral microbleeds in acute stroke patients., PLoS ONE., 15(10), e0239773, 2020
  14. ★, Lobar microbleeds are associated with cognitive impairment in patients with lacunar infarction., Sci Rep., 10(1), 16410, 2020
  15. ★, Simplified cough test can predict the risk for pneumonia in patients with acute stroke., PLoS ONE., 15(9), e0239590, 2020
  16. Serum IgG titers to periodontal pathogens predict 3-month outcome in ischemic stroke patients., PLoS ONE., 15(8), e0237185, 2020
  17. ★, Tongue thickness measured by ultrasonography is associated with tongue pressure in the Japanese elderly., PLoS ONE, 15(8), e0230224, 2020
  18. Serum immunoglobulin G antibody titer to Fusobacterium nucleatum is associated with unfavorable outcome after stroke, CLINICAL AND EXPERIMENTAL IMMUNOLOGY, 200(3), 302-309, 2020
  19. ★, Prediction of independent gait in acute stroke patients with hemiplegia using the Ability for Basic Movement Scale II score., Eur Neurol., 83(1), 49-55, 2020
  20. ★, Utility of Minimum Apparent Diffusion Coefficient Ratios in Alberta Stroke Program Early CT Score Regions for Deciding on Stroke Therapy., J Stroke Cerebrovasc Dis., 28(5), 1371-1380, 2019
  21. Screening for Fabry Disease in Japanese Patients with Young-Onset Stroke by Measuring a-Galactosidase A and Globotriaosylsphingosine., J Stroke Cerebrovasc Dis., 27(12), 3563-3569, 2018
  22. ★, Subarachnoid hemorrhage after transient global amnesia caused by cerebral venous congestion: case report, BMC Neurology., 18(1), 36, 2018
  23. Blood Pressure Variability in Acute Ischemic Stroke: Influence of Infarct Location in the Insular Cortex., Eur Neurol., 79(1-2), 90-99, 2018
  24. ★, Maximum tongue pressure is associated with swallowing dysfunction in ALS patients., Dysphagia., 32(4), 542-547, 2017
  25. Development of a candy-sucking test for evaluating oral function in elderly patients with dementia: A pilot study., Geriatrics Gerontology International., 17(11), 1977-1981, 2017
  26. ★, Prediction of pneumonia in acute stroke patients using tongue pressure measurements., PLoS ONE., 11(11), e0165837, 2016
  27. The multidisciplinary swallowing team approach decreases pneumonia onset in acute stroke patients., PLoS ONE., 11(5), e0154608, 2016
  28. ★, Tongue thickness evaluation using ultrasonography can predict swallowing function in amyotrophic lateral sclerosis patients., ClinNeurophysiol., 127(2), 1669-1674, 2016
  29. ★, The identification of raft-derived tau-associated vesicles that are incorporated into immature tangles and paired helical filaments., Neuropathology and Applied Neurobiology., 42(7), 639-653, 2016
  30. Fiber Type-Specific Expression of Low-Density Lipoprotein Receptor-Related Protein 6 in Human Skeletal Muscles., Pathobiology., 81(2), 94-99, 2014
  31. ★, Phosphatidylinositol-4,5-bisphosphate is enriched in granulovacuolar degeneration bodies and neurofibrillary tangles., Neuropathology and Applied Neurobiology., 40(4), 489-501, 2014
  32. ★, Molecular markers for granulovacuolar degeneration are present in rimmed vacuoles., PLoS ONE., 8(11), e80995, 2013
  33. Characterization and distribution of adaptor protein containing a PH domain, PTB domain and leucine zipper motif (APPL1) in Alzheimer's disease hippocampus: an immunohistochemical study., Brain Research., 1494, 118-124, 2013
  34. ★, Cyclin-dependent kinase 5 immunoreactivity for granulovacuolar degeneration., Neuroreport., 23(15), 867-872, 2012
  35. Cerebral amyloid angiopathy with a varied hemorrhage pattern on T2*-weighted magnetic resonance image, Internal Medicine, 48(9), 735-736, 2009

Invited Lecture, Oral Presentation, Poster Presentation

  1. Quantitative videofluorographic evaluation of swallowing class 0j and 0t foods of Japanese Dysphagia Diet 2013, Chiho Takeda, Mitsuyoshi Yoshida, Masahiro Nakamori, Mineka Yoshikawa, Jun Kayashita, Kazuhiro Tsuga, The 2nd World Dysphagia Summit, 2021/08/19, Without Invitation, English
  2. Lobar cerebral microbleeds are associated with cognitive impairment in lacunar infarction patients, Masahiro Nakamori, Naohisa Hosomi, Keisuke Tachiyama, Teppei Kamimura, Hayato Matsushima, Yuki Hayashi, Eiji Imamura, Shinichi Wakabayashi, Hirofumi Maruyama, ESO-WSO Conference, 2020/11/07, Without Invitation, English
  3. Utility of MR spectroscopy for progression of neurological symptoms in penetrating artery territory infarction, Yuji Shiga, Tomohisa Nezu, Masahiro Nakamori, Naohisa Hosomi, Yuji Akiyama, Keisuke Tachiyama, Teppei Kamimura, Yuki Hayashi, Hayato Matsushima, Eiji Imamura, Naoto Kinoshita, Shiro Aoki, Hiroki Ueno, Tomohiko Ohshita, Shinichi Wakabayashi, Fumiyuki Yamasaki, Kaoru Kurisu, Kazuo Awai, Hirofumi Maruyama, ESO-WSO Conference, 2020/11/07, Without Invitation, English, Vienna, Austria
  4. Serum IgG titers of periodontal pathogens predict hemorrhage growth and 3-month outcome in patients with cerebral hemorrhage, Masahiro Nakamori, Naohisa Hosomi, Hiromi Nishi, Yuji Shiga, Hayato Matsushima, Shiro Aoki, Tomohisa Nezu, Naoto Kinoshita, Eiji Imamura, Shinichi Wakabayashi, Hirofumi Maruyama, Internal Stroke Conference, 2019/02/06, Without Invitation, English
  5. High baPWV is associated with cognitive decline in lacunar infarction patients, Masahiro Nakamori, Hayato Matsushima, Yuta Maetani, Eiji Imamura, Shinichi Wakabayashi, Yasuyo Mimori, Hirofumi Maruyama, 2018/05/23, Without Invitation, English
  6. Investigation of the relationship between videofluoroscopic examination and tongue pressure using a balloon-type device in acute stroke patients, Masahiro Nakamori, Eiji Imamura, Hayato Matsushima, Yuta Maetani, Satomi Kushitani, Shinichi Wakabayashi, Mineka Yoshikawa, Kazuhiro Tsuga, Toshikazu Nagasaki, Naohisa Hosomi, Hirofumi Maruyama, The 23th World Congress of Neurology, 2017/09/17, Without Invitation, English
  7. Raft derived vesicles are another component of neurofibrillary tangle, Masahiro Nakamori, Tetsuya Takahashi, Tomokazu Nishikawa, Tomoyasu Matsubara, Chengyu Li, Yukari Shinozaki, Yoshito Nagano, Hirofumi Maruyama, Masayasu Matsumoto, 2014/09/11, Without Invitation, English
  8. Immunoreactivity for Cyclin-dependent kinase 5 in Granulovacuolar degeneration, Masahiro Nakamori, Tetsuya Takahashi, Yu Yamazaki, Takashi Kurashige, Yoshito Nagano, Takemori Yamawaki, Masayasu Matsumoto, The 13th Asian Oceanian Congress of Neurology, 2012/06/04, Without Invitation, English


  1. 2012/06, Young Investigator Encouragement Grant, The 13th Asian Oceanic Congress of Neurology

External Funds

Acceptance Results of Competitive Funds

  1. 2021/04
  2. 2021/04

Social Activities

History as Peer Reviews of Academic Papers

  1. 2020, Brain and Behavior, Others
  2. 2020, Dysphagia, Others
  3. 2020, Gerontology, Others
  4. 2020, Brain and Behavior, Others
  5. 2020, Journal of Pediatric Genetics, Others
  6. 2018, BMJ Open, Others
  7. 2018, Geriatrics and Gerontology International, Others