Daichi Hayashi

Dr. Daichi Hayashi

Department of Radiology

Boston University School of Medicine, USA

Research Assistant Professor



2011 Ph.D., The Jikei University School of Medicine, Japan, Clinical Research in Radiology

2004 M.Sc., King's College London, UK, Medicine

2001 B.Sc., King's College London, UK, Basic Medical Sciences with Radiological Sciences

Publications (Selected)

  1. Hosonuma T, Tozaki M, Ichiba N, Sakuma T, Hayashi D, Yanaga K, Fukuda K. Clinical usefulness of diffusion-weighted imaging using low and high b-values to detect rectal cancer. Magn Reson Med Sci. 2006; 5: 173-177 (PMID: 17332707)
  2. Matsushima S, Ichiba N, Hayashi D, Fukuda K. Nonenhanced magnetic resonance lymphoductography: visualization of lymphatic system of the trunk on 3-dimensional heavily T2-weighted image with 2-dimensional prospective acquisition and correction. J Comput Assist Tomogr. 2007; 31: 299-302 (PMID: 17414769)
  3. Hayashi D, Tysome JR, Boyei E, Gluckman P, Barbaccia C. Sebaceous lymphadenoma of the parotid gland: report of two cases and review of the literature. Acta Otorhinolaryngol Ital. 2007; 27:144-146 (PMID: 17883193)
  4. Dexter SC, Hayashi D, Tysome JR. The ANKLe score: an audit of otolaryngology emergency clinic record keeping. Ann R Coll Surg Engl. 2008; 90: 231-234 (PMID: 18430339)
  5. Hayashi D, Yonenaga T, Soshi S, Fukuda K. Progressively worsening paraesthesiaof the left leg, gait disturbances and constipation in a 63-year-old man. Skeletal Radiol. 2009; 38: 1189-1190, 1209-1211 (PMID: 19662402)
  6. Hayashi D, Lee JC, Devenney-Cakir BC, Zaim S, Ounadjela S, Solal-Celigny P, Juweid M, Guermazi A. Follicular Non-Hodgkin’s Lymphoma (NHL): A Pictorial Review. Clin Radiol 2010; 65: 408-420 (PMID: 20380942)
  7. Hayashi D, Devenney-Cakir BC, Lee J, Kim S, Cheng J, Goldfeder S, Choi B, Guermazi A. Mucosa-Associated Lymphoid Tissue Lymphoma: Multimodality Imaging and Histopathological Correlation. AJR Am J Roentgenol 2010; 195: W105-W117 (PMID: 20651169)
  8. Roemer FW, Khrad H, Hayashi D, Jara H, Ozonoff A, Fotinos-Hoyer AK, Guermazi A. Volumetric and semiquantitative assessment of MRI-detected subchondral bone marrow lesions in knee osteoarthritis: a comparison of contrast-enhanced and non-enhanced imaging. Osteoarthritis Cartilage 2010; 18: 1062-1066 (PMID: 20472082)
  9. Hayashi D, Roemer FW, Guermazi A. Choice of pulse sequences for MRI-based semiquantitative assessment of cartilage defects in osteoarthritis research: Comment on the article by Dore et al. Arthritis Rheum 2010; 62: 3830-3831 (PMID: 20812337)
  10. Hayashi D, Roemer FW, Dhina Z, Kwoh CK, Hannon MJ, Moore C, Guermazi A. Longitudinal assessment of cyst-like lesions of the knee and their relation to radiographic osteoarthritis and MRI-detected effusion and synovitis in patients with knee pain. Arthritis Res Ther 2010; 12: R172 (PMID: 20843319)
  11. Guermazi A, Hayashi D, Roemer FW, Niu J, Yang M, Lynch JA, Torner JC, Lewis CE, Sack B, Felson DT, Nevitt MC. Cyst-like lesions of the knee joint and their relation to incident knee pain and development of radiographic osteoarthritis: The MOST study. Osteoarthritis Cartilage 2010; 18: 1386-1392 (PMID: 20816978)
  12. Guermazi A, Roemer FW, Hayashi D, Crema MD, Niu J, Zhang Y, Marra MD, Katur A, Lynch JA, El-Khoury GY, Baker K, Hughes LB, Nevitt MC, Felson DT. Assessment of synovitis with contrast-enhanced MRI using a whole joint semiquantitative scoring system in persons with or at high risk of knee osteoarthritis - The MOST study. Ann Rheum Dis 2011; 70: 805-811 (PMID: 21187293)
  13. Hayashi D, Guermazi A, Crema MD, Roemer FW. Imaging in osteoarthritis: What have we learned and where are we going? Minerva Med 2011; 102: 15-32 (PMID: 21317846)
  14. Hayashi D, Roemer FW, Katur A, Felson DT, Yang SO, Alomran F, Guermazi A. Imaging of synovitis in osteoarthritis: Current status and outlook. Semin Arthritis Rheum 2011; 41: 116-130 (PMID: 21295331)
  15. Hayashi D, Roemer FW, Guermazi A. Response to Letter to the Editor: 'Sonographic evidence of synovitis as a predictor of response to corticosteroid injection in osteoarthritis: Comment on the article by Hayashi et al.' Semin Arthritis Rheum 2011; 41: e2-3 (PMID: 21616521)
  16. Hayashi D, Guermazi A, Hunter DJ. Osteoarthritis year in review 2010: Imaging. Osteoarthritis Cartilage 2011; 19: 354-360 (PMID: 21320616)
  17. Hayashi D, Guermazi A, Hunter DJ. Response to Letter to the Editor: 'Epidemiology should not be forgotten in osteoarthritis imaging'. Osteoarthritis Cartilage 2011; 19: 1167 (PMID: 21741489)
  18. Hayashi D, Tkacz JN, Hammond S, Devenney-Cakir BC, Zaim S, Bouzegaou N, Ounadjela S, Guermazi A. Gastroenteropancreatic neuroendocrine tumos: Multimodality imaging features with pathological correlation. Jpn J Radiol 2011; 29: 85-91 (PMID: 21359932)
  19. Crema MD, Roemer FW, Hayashi D, Guermazi A. Comment on: Bone marrow lesions in people with knee osteoarthritis predict progression of disease and joint replacement: a longitudinal study. Rheumatology (Oxford) 2011; 50: 996-997 (PMID: 21421685)
  20. Guermazi A, Hunter DJ, Li L, Benichou O, Eckstein F, Kwoh K, Nevitt M, Hayashi D. Different thresholds for detecting osteophytes and joint space narrowing exist between the site investigators and the centralized reader in a multicenter knee osteoarthritis study - Data from the Osteoarthritis Initiative. Skeletal Radiol 2012; 41: 179-186 (PMID: 21479521)
  21. Habib S, Guermazi A, Ozonoff A, Hayashi D, Crema MD, Roemer FW. MRI-based volumetric assessment of joint effusion in knee osteoarthritis using proton density-weighted fat-suppressed and T1-weighted contrast-enhanced fat-suppressed sequences. Skeletal Radiol 2011; 40: 1581-1585 (PMID: 21598076)
  22. Guermazi A, Roemer FW, Hayashi D. Imaging of osteoarthritis: Update from a radiological perspective. Curr Opin Rheumatol 2011; 23: 484-491 (PMID: 21760511)
  23. Guermazi A, Roemer FW, Burstein D, Hayashi D. Why radiography should no longer be considered a surrogate outcome measure for longitudinal assessment of cartilage in knee osteoarthritis. Arthritis Res Ther 2011; 13: 247 (PMID: 22136179)
  24. Hayashi D, Guermazi A, Kwoh, CK, Hannon MJ, Moore C, Roemer FW. Semiquantitative assessment of subchondral bone marrow lesions of the knee at 3T MRI: A comparison between intermediate-weighted fat-suppressed Turbo Spin Echo and Double Echo Steady State sequences. BMC Musculoskelet Disord 2011; 12:198 (PMID: 21906292)