This curriculum vitae summarizes the professional experience and qualifications of Masato Tanaka, MD. It includes his personal details, education history, licensure, academic appointments, hospital appointments, memberships, honors, research interests, and publications. Tanaka graduated from Okayama University Medical School in 1988 and 1994. He is an Associate Professor at Okayama University Hospital specializing in orthopedic surgery, with a focus on spine surgery.

1. CURRICULUM VITAE
NAME: MASATO TANAKA MD (MALE)
DATE & PLACE OF BIRTH: NOV 18th 1963
206-6 Higashigawara Kitaku Okayama JAPAN ZIP CORD 703-8255
PRESENT ADDRESS:
HOME: 206-6 Higashigawara Nakaku Okayama-city Okayama JAPAN
ZIP CORD 703-8255
TEL: +81-86-271-4250
OFFICE: Department of Orthopedic Surgery, Okayama University Hospital
TEL: +81-86-235-7273 FAX: +81-86-223-9727
E-mail: tanakam@md.okayama-u.ac.jp
EDUCATION: Graduate of Okayama University Medical School (1988)
Graduate of Doctor course of Okayama University Medical School (1994)
LICENSURE & CERTIFICATION:
National Board of Medicine, Registration No. 313666
Board-certified Spine Surgeon approved by the Japanese board of Spine Surgery,
Certificate No. 10245
FELLOWSHIP OR STUDY ABROAD:
IGASS Fellowship, London UK (2010)
AO Spine Fellowship, Adelaide Australia (2011)
ACADEMIC APPOINTMENTS:
Associate Professor
HOSPITAL APPOINTMENTS:
MEMBERSHIPS:
Councilor of Japanese Spinal Instrumentaion Society
Councilor of Japanese Society for Spine Surgery and Related Research
Councilor of Western Japanese Research Society for Spine
1

2. HONORS & AWARDS:
Award of Japanese Spinal Instrumentaion Society in 2003
Award of Japanese Spinal Instrumentaion Society in 2001
Asia Traveling Fellowship in 2007
MAJOR RESEARCH INTERESTS:
1. Invention of new concept pedicle screw for osteoporotic spine
2. C2 laminar screw
3. New navigation system for scoliosis
4. Endoscopic surgery
2

3. PRESENTATIONS: (first author, in the last 5 years)
1. 22nd SIROT/SICOT 2002, in USA (San Diego)
Masato Tanaka, Shinnosuke Nakahara. Mini ALIF DSA In patients receiving long term
hemodialysis.
2. Eurospine 2003 in Czech (Prague)
Masato Tanaka, Shinnosuke Nakahara, Kazuhiro Takeuchi. Single-stage autogenous
bone graft and posterior instrumentation in pyogenic spondylitis.
3. 18th North American Spine Society 2003 in USA (San Diego)
Masato Tanaka, Shinnosuke Nakahara, Kazuhiro Takeuchi. Single-stage autogenous
bone graft and posterior instrumentation in pyogenic spondylitis.
4. Eurospine 2004 in Portugal (Porto)
Masato Tanaka, Shinnosuke Nakahara, Hajime Inoue, Kazuhiro Takeuchi. Sacral
perineural (Tarlov) cysts： Filling defect sign as operative indication.
5. ISSLS 2005 in USA (New York)
M. Tanaka, H. Ikuma, S. Yoshihisa, M. Haruo, T. Tomoaki. Fracture of the spine in
diffuse idiopathic skeletal hyperostosis.
6. ISSLS 2005 in USA (New York)
M. Tanaka, H. Ikuma, S. Yoshihisa, M. Haruo, T. Tomoaki. Surgical Treatment of
Metastatic Spinal Tumors.
7. Eurospine 2005 in Spain (Barcelona)
M. Tanaka, H. Ikuma, S. Yoshihisa, M. Haruo, T. Tomoaki. Fracture of the spine in
diffuse idiopathic skeletal hyperostosis.
8. 21st North American Spine Society 2006 in USA (Seattle)
Masato TANAKA, Kazuo NAKANISHI, Yoshihisa SUGIMOTO, Haruhiko IKUTA.
Cervical disc chondrocyte apoptosis and herniation.
9. Scoliosis Research Society 2007 in Hungary (Budapest)
M. Tanaka, K. Nakanishi, Y. Sugimoto, H. Misawa, T. Takigawa, T. Ozaki. Surgical
Results of Thoracolumbar Burst Fracture using Posterior Reduction and
Instrumentation with HA Block Kyphoplasty.
10. SICOT 2010 in Sweden
M. Tanaka. Pyogenic spondylitis
3

4. English Paper
2010
35. Takigawa T, Yonezawa T, Yoshitaka T, Minaguchi J, Kurosaki M, Tanaka M, Sado Y,
Ohtsuka A, Ozaki T, Ninomiya Y. Separation of the perivascular basement membrane
provides a conduit for inflammatory cells in a mouse spinal cord injury model. J
Neurotrauma. 2010 Apr;27(4):739-51.
34. Nakahara H, Misawa H, Yoshida A, Hayashi T, Tanaka M, Furumatsu T, Tanaka N,
Kobayashi N, Ozaki T. Bone repair using a hybrid scaffold of self-assembling peptide
PuraMatrix and polyetheretherketone cage in rats. Cell Transplant. 2010;19(6):791-7.
Epub 2010 Jun 23.
33. Sugimoto Y, Ito Y, Tomioka M, Shimokawa T, Shiozaki Y, Mazaki T, Tanaka M. Clinical
accuracy of three-dimensional fluoroscopy (IsoC-3D)-assisted upper thoracic pedicle
screw insertion. Acta Med Okayama. 2010 Jun;64(3):209-12.
32. Sugimoto Y, Ito Y, Tomioka M, Shimokawa T, Shiozaki Y, Mazaki T, Tanaka M. Upper
lumbar pedicle screw insertion using three-dimensional fluoroscopy navigation:
assessment of clinical accuracy. Acta Med Okayama. 2010 Oct;64(5):293-7.
31. Sugimoto Y, Ito Y, Tomioka M, Shimokawa T, Shiozaki Y, Mazaki T, Tanaka M.
Vertebral rotation during pedicle screw insertion in patients with cervical injury. Acta
Neurochir (Wien). 2010 Aug;152(8):1343-6. Epub 2010 May 14.
30. Yamana K, Tanaka M, Sugimoto Y, Takigawa T, Ozaki T, Konishi H. Clinical application
of a pedicle nail system with polymethylmethacrylate for osteoporotic vertebral fracture.
Eur Spine J. 2010 Oct;19(10):1643-50. Epub 2010 Apr 23.
29. Sugimoto Y, Ito Y, Tomioka M, Tanaka M, Hasegawa Y, Nakago K, Yagata Y. Risk
factors for lumbosacral plexus palsy related to pelvic fracture. Spine (Phila Pa 1976). 2010
Apr 20;35(9):963-6.
4

5. 2009
28. Sugimoto Y, Ito Y, Tanaka M, Tomioka M, Hasegawa Y, Nakago K, Yagata Y, Ozaki
T.Cervical cord injury in patients with ankylosed spines: progressive paraplegia in two
patients after posterior fusion without decompression. Spine (Phila Pa 1976). 2009 Nov
1;34(23):E861-3.
27. Nakahara H, Misawa H, Hayashi T, Kondo E, Yuasa T, Kubota Y, Seita M, Kawamoto
H, Hassan WA, Hassan RA, Javed SM, Tanaka M, Endo H, Noguchi H, Matsumoto S,
Takata K, Tashiro Y, Nakaji S, Ozaki T, Kobayashi N.
Bone repair using a hybrid scaffold of self-assembling peptide PuraMatrix and
polyetheretherketone cage in rats. Cell Transplantation 2009 Aug 15;88(3):346-53.
26. Ito Y, Sugimoto Y, Tomioka M, Kai N, Tanaka M. Does high dose methylprednisolone
sodium succinate really improve neurological status in patient with acute cervical cord
injury?: a prospective study about neurological recovery and early complications. Spine
(Phila Pa 1976). 2009 Sep 15;34(20):2121-4.
25. Sugimoto Y, Tanaka M, Konishi H, Takigawa T, Nakanishi K, Misawa H, Ito Y, Ozaki T.
Posterior spinal fusion using a pedicle nail system with polymethylmethacrylate in a
paraplegic patient after vertebral collapse caused by osteoporosis. Spine J. 2009 Jan-
Feb;9(1):e5-8. Epub 2007 Dec 21.
24. Sugimoto Y, Ito Y, Tomioka M, Tanaka M, Hasegawa Y, Nakago K, Yagata Y. Deep
venous thrombosis in patients with acute cervical spinal cord injury in a Japanese
population: assessment with Doppler ultrasonography. J Orthop Sci. 2009
Jul;14(4):374-6. Epub 2009 Aug 7.
23. Sugimoto Y, Tanaka M, Nakanishi K, Misawa H, Takigawa T, Ito Y, Ozaki T. Safety of
atlantoaxial fusion using laminar and transarticular screws combined with an atlas hook in
a patient with unilateral vertebral artery occlusion (case report). Arch Orthop Trauma
Surg. 2009 Jan;129(1):25-7. Epub 2007 Nov 22.
22. Nakahara H, Misawa H, Hayashi T, Kondo E, Yuasa T, Kubota Y, Seita M, Kawamoto
H, Hassan WA, Hassan RA, Javed SM, Tanaka M, Endo H, Noguchi H, Matsumoto S,
Takata K, Tashiro Y, Nakaji S, Ozaki T, Kobayashi N. Bone repair by transplantation of
hTERT-immortalized human mesenchymal stem cells in mice. Transplantation. 2009 Aug
15;88(3):346-53.
21. Tanaka M, Nakahara S, Ito Y, Kunisada T, Misawa H, Koshimune K, Ozaki T. Surgical
treatment of metastatic vertebral tumors. Acta Med Okayama. 2009 Jun;63(3):145-50.
20. Masato Tanaka, Kazuo Nakanishi, Yoshihisa Sugimoto, Haruo Misawa, Tomoyuki
Takigawa, Keiichiro Nishida, and Toshifumi Ozaki. Computer navigation-assisted spinal
5

6. fusion with segmental pedicle screw instrumentation for scoliosis with Rett syndrome: a
case report . Acata Medica Okayama 2009, (in press)
19. Nakanishi K, Tanaka M, Misawa H, Sugimoto Y, Takigawa T, Ozaki T. Usefulness of a
navigation system in surgery for scoliosis: segmental pedicle screw fixation in the
treatment. Arch Orthop Trauma Surg. 2009 Sep;129(9):1211-8. Epub 2009 Jan 29.
2008
18. Tanaka M, Ikuma H, Nakanishi K, Sugimoto Y, Misawa H, Takigawa T, Ozaki T. Spinal
cord herniation into pseudomeningocele after traumatic nerve root avulsion: case report
and review of the literature. Eur Spine J. 2008 Sep;17 Suppl 2:S263-6. Epub 2007 Nov 7.
Review.
17. Takigawa T, Tanaka M, Nakahara S, Sugimoto Y, Ozaki T. SAPHO syndrome with
rapidly progressing destructive spondylitis: two cases treated surgically. Eur Spine J.
2008 Sep;17 Suppl 2:S331-7. Epub 2008 Apr 4.
16. Takigawa T, Tanaka M, Nakanishi K, Misawa H, Sugimoto Y, Takahata T, Nakahara H,
Nakahara S, Ozaki T. SAPHO syndrome associated spondylitis. Eur Spine J. 2008
Oct;17(10):1391-7. Epub 2008 Jul 19.
15. Nakanishi K, Tanaka M, Misawa H, Takigawa T, Ozaki T.
Midterm results of prostaglandin E1 treatment in patients with lumbar spinal canal
stenosis accompanied by intermittent claudication.
Spine. 2008 Jun 1;33(13):1465-9.
14. Nakanishi K, Tanaka M, Sugimoto Y, Misawa H, Takigawa T, Fujiwara K, Nishida K,
Ozaki T. Application of laminar screws to posterior fusion of cervical spine: measurement
of the cervical vertebral arch diameter with a navigation system. Spine. 2008 Mar
15;33(6):620-3.
2007
13. Sugimoto Y, Tanaka M, Nakanishi K, Misawa H, Takigawa T, Ito Y, Ozaki T. Safety of
atlantoaxial fusion using laminar and transarticular screws combined with an atlas hook in
a patient with unilateral vertebral artery occlusion (case report).
Arch Orthop Trauma Surg. 2007 Nov 22.
12. Takigawa T, Tanaka M, Konishi H, Ikuma H, Misawa H, Sugimoto Y, Nakanishi K,
Kuramoto K, Nishida K, Ozaki T. Comparative biomechanical analysis of an improved
novel pedicle screw with sheath and bone cement. J Spinal Disord Tech. 2007
Aug;20(6):462-7.
11. Sugimoto Y, Tanaka M, Nakanishi K, Misawa H, Takigawa T, Ozaki T. Assessing the
range of cervical rotation in patients with rheumatoid arthritis after atlantoaxial screw
fixation using axial CT. Spine. 2007 Oct 1;32(21):2318-21.
6

7. 10.Sugimoto Y, Tanaka M, Nakanishi K, Misawa H, Takigawa T, Ikuma H, Ozaki T.
Assessing range of cervical rotation after laminoplasty using axial CT. J Spinal Disord
Tech. 2007 May;20(3):187-9.
9. Nakanishi K, Tanaka M, Sugimoto Y, Ozaki T. Posterior cervical spine arthrodesis with
laminar screws: a report of two cases. Acta Med Okayama. 2007 Apr;61(2):115-9.
2006
8. Misawa H, Kobayashi N, Soto-Gutierrez A, Chen Y, Yoshida A, Rivas-Carrillo JD,
Navarro-Alvarez N, Tanaka K, Miki A, Takei J, Ueda T, Tanaka M, Endo H, Tanaka N,
Ozaki T. PuraMatrix facilitates bone regeneration in bone defects of calvaria in mice.
Cell Transplant. 2006;15(10):903-10.
7. Tanaka M, Nakahara S, Ito Y, Nakanishi K, Sugimoto Y, Ikuma H, Ozaki T. Surgical
results of sacral perineural (Tarlov) cysts. Acta Med Okayama. 2006 Feb;60(1):65-70.
6. Sugimoto Y, Akazawa H, Mitani S, Tanaka M, Nakagomi T, Asaumi K, Ozaki T. Lateral
and posterior pillar grade changes during the treatment of Perthes disease in older
patients using skin traction and range of motion exercises. Arch Orthop Trauma Surg.
2006 Mar;126(2):101-4. Epub 2006 Jan 3.
2004
5. Ohata N, Ozaki T, Kunisada T, Morimoto Y, Tanaka M, Inoue H. Extended total
sacrectomy and reconstruction for sacral tumor. Spine. 2004 Mar 15;29(6):E123-6.
2001
4. Ito Y, Hasegawa Y, Toda K, Tanaka M, Nakahara S. The original hole-in-one guide for
atlantoaxial transarticular screw fixation. J Orthop Sci. 2001;6(1):16-21.
1999
3. Koyama T, Kanadani T, Tanaka M, Nakahara S, Yamadori I. A case of Down's syndrome
associated with progressive extradural neuroblastoma. Pediatr Surg Int. 1999
Jul;15(5-6):373-5.
1998
2. Tanaka M, Nakahara S, Tanizaki M. Aortic pseudoaneurysm in the L3-L4 disc space
after lumbar disc surgery. A case report. J Bone Joint Surg Br. 1998 May;80(3):448-51.
1993
1. Tanaka M, Nakahara S, Inoue H. A pathologic study of discs in the elderly. Separation
between the cartilaginous endplate and the vertebral body. Spine (Phila Pa 1976). 1993
Sep 1;18(11):1456-62.
7