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Dr Tan Jiong Hao Jonathan

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  • Consultant, University Spine Centre, Department of Orthopaedic Surgery, National University Hospital
  • Consultant, Department of Orthopaedic Surgery, Alexandra Hospital
  • Associate Programme Director, NUHS Orthopaedic Surgery Residency Programme


MBBS (Sing), MRCS (Edin), MMED (Orth), FRCSEd (Orth)


Orthopaedic Surgery

Clinical Disciplines/Programmes:

Spine Surgery


Dr. Tan Jiong Hao Jonathan is a Consultant in the Department of Orthopaedic Surgery at NUH, Division of Spine Surgery and at the Joint Replacement and Reconstruction Centre at Alexandra Hospital.

He graduated from the National University of Singapore with a Bachelor of Medicine and Bachelor of Surgery degree (MBBS) and went on to start his Orthopedic training as a resident in the National University Health System residency program in 2011. He completed his postgraduate training and was appointed a Fellow of the Royal College of Surgeons of Edinburgh in 2019.

Dr Tan's primary interest is in spinal surgery with a sub-specialty interest in metastatic spinal tumour  and primary spinal tumour surgery. His research interests include the use of artificial intelligence and machine learning in the interpretation of MRI and CT scans. Dr Jonathan Tan has published in peer-reviewed journals on both spinal surgery and general orthopaedics and has been awarded competitive grants to pursue clinical research. He is actively involved in the education of both undergraduate and post-graduate students and is currently the associate program director of the National University Health Systems Orthopaedic Surgery Residency Program.

Dr Tan is grateful to his mentors and teachers in the department for guiding him and helping him to achieve his dream of becoming an orthopedic surgeon. He is thankful to God, his wife and family for their love and support throughout his life and career.


  • National Medical Research Council CS-IRG-New Investigator Grant A Prospective Study to Evaluate the Safety and Efficacy of Transfusing Intraoperative Salvaged Blood in Metastatic Musculoskeletal Tumour Surgery Principal Investigator
  • NCIS Centre Grant Seed Funding Program (December 2020 Grant Call) Grant Title: Artificial Intelligence for the management of vertebral metastases Co-Investigator
  • National Medical Research Council CS-IRG-New Investigator Grant: Deep Learning Pathway for the management of spinal metastases (CNIG 20nov-0011) Co- Investigator

Journals & Publications

  1. Kumar N, Tan JYH, Chen Z, Ravikumar N, Milavec H, Tan JH. Intraoperative cell-salvaged autologous blood transfusion is safe in metastatic spine tumour surgery: early outcomes of prospective clinical study. Eur Spine J. 2023 May 16. PMID: 37191676.
  2. Hallinan JTPD, Zhu L, Tan HWN, Hui SJ, Lim X, Ong BWL, Ong HY, Eide SE, Cheng AJL, Ge S, Kuah T, Lim SWD, Low XZ, Teo EC, Yap QV, Chan YH, Kumar N, Vellayappan BA, Ooi BC, Quek ST, Makmur A, Tan JH. A deep learning-based technique for the diagnosis of epidural spinal cord compression on thoracolumbar CT. Eur Spine J. 2023 Apr 24.
  3. Ong W, Zhu L, Tan YL, Teo EC, Tan JH, Kumar N, Vellayappan BA, Ooi BC, Quek ST, Makmur A, Hallinan JTPD. Application of Machine Learning for Differentiating Bone Malignancy on Imaging: A Systematic Review. Cancers (Basel). 2023 Mar 18;15(6):1837.
  4. Liu G, Tan JH, Kong JC, Tan YHJ, Kumar N, Liang S, Shawn SJS, Ting CS, Lim LL, Dennis HHW, Kumar N, Thambiah J, Wong HK. Thoracolumbar Injury Classification and Severity Score Is Predictive of Perioperative Adverse Events in Operatively Treated Thoracic and Lumbar Fractures. Asian Spine J. 2022 Dec;16(6):848-856 PMID: 36599371; PMCID: PMC9827217.
  5. Hong CC, Chan MC, Wu T, Toh M, Tay YJ, Tan JH. Does concomitant gout in septic arthritis affect surgical outcomes? Injury. 2022 Oct 27:S0020-1383(22)00798-7. doi: 10.1016/j.injury.2022.10.028. Epub ahead of print. PMID: 36351859.
  6. Lim DSW, Makmur A, Zhu L, Zhang W, Cheng AJL, Sia DSY, Eide SE, Ong HY, Jagmohan P, Tan WC, Khoo VM, Wong YM, Thian YL, Baskar S, Teo EC, Algazwi DAR, Yap QV, Chan YH, Tan JH, Kumar N, Ooi BC, Yoshioka H, Quek ST, Hallinan JTPD. Improved Productivity Using Deep Learning-assisted Reporting for Lumbar Spine MRI. Radiology. 2022 Oct;305(1):160-166. doi: 10.1148/radiol.220076. Epub 2022 Jun 14. PMID: 35699577.
  7. Hallinan JTPD, Ge S, Zhu L, Zhang W, Lim YT, Thian YL, Jagmohan P, Kuah T, Lim DSW, Low XZ, Teo EC, Barr Kumarakulasinghe N, Yap QV, Chan YH, Tan JH, Kumar N, Vellayappan BA, Ooi BC, Quek ST, Makmur A. Diagnostic Accuracy of CT for Metastatic Epidural Spinal Cord Compression. Cancers (Basel). 2022 Aug 31;14(17):4231. doi: 10.3390/cancers14174231. PMID: 36077767; PMCID: PMC9454807.
  8. Ong W, Zhu L, Zhang W, Kuah T, Lim DSW, Low XZ, Thian YL, Teo EC, Tan JH, Kumar N, Vellayappan BA, Ooi BC, Quek ST, Makmur A, Hallinan JTPD. Application of Artificial Intelligence Methods for Imaging of Spinal Metastasis. Cancers (Basel). 2022 Aug 20;14(16):4025. doi: 10.3390/cancers14164025. PMID: 36011018; PMCID: PMC9406500.
  9. Kuah T, Vellayappan BA, Makmur A, Nair S, Song J, Tan JH, Kumar N, Quek ST, Hallinan JTPD. State-of-the-Art Imaging Techniques in Metastatic Spinal Cord Compression. Cancers (Basel). 2022 Jul 5;14(13):3289. doi: 10.3390/cancers14133289. PMID: 35805059; PMCID: PMC9265325.
  10. Hallinan JTPD, Zhu L, Zhang W, Kuah T, Lim DSW, Low XZ, Cheng AJL, Eide SE, Ong HY, Muhamat Nor FE, Alsooreti AM, AlMuhaish MI, Yeong KY, Teo EC, Barr Kumarakulasinghe N, Yap QV, Chan YH, Lin S, Tan JH, Kumar N, Vellayappan BA, Ooi BC, Quek ST, Makmur A. Deep Learning Model for Grading Metastatic Epidural Spinal Cord Compression on Staging CT. Cancers (Basel). 2022 Jun 30;14(13):3219. doi: 10.3390/cancers14133219. PMID: 35804990; PMCID: PMC9264856.

Professional Memberships

  • AO Spine, Member
  • Asia Pacific Spine Society (APSS), Member 
  • Eurospine, Member 
  • Singapore Spine Society, Member 
  • Singapore Orthopaedic Association (SOA), Member

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