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Asst Prof Teo Kejia

  • Senior Consultant, Division of Neurosurgery, Department of Surgery, National University Hospital
  • Senior Consultant, Division of Surgical Oncology, National University Cancer Institute, Singapore
  • Assistant Professor, Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore
MBBS(S'pore), MRCS (Edin), FRCS Ed (Neuro.Surg)
Surgery, Surgical Oncology
Neurosurgery, Surgical Oncology (Neurosurgery)
Special Interests:
Neuro-oncology, Brain tumour surgery on eloquent areas of brain (Awake brain surgery and brain mapping), Pituitary and skull base surgery, Functional Neurosurgery


Assistant Professor Teo Kejia is currently a Senior Consultant with the Division of Neurosurgery, National University Hospital. He received his medical degree from the National University of Singapore in 2006. He was trained in General Surgery and received his advanced surgical training in Neurosurgery in National University Hospital. 
Assistant Professor Teo was awarded the Academic Medicine Development Award in 2013 for which he underwent two years of further training in Queen's Hospital, Romford, London and was trained in functional neurosurgery, neuro-oncology, neurovascular and spinal surgery. He was elected to the Fellowship of the Royal College of Surgeons of Edinburgh (Surgical Neurology) in 2015. Assistant Professor Teo also served as an executive committee member for several neurosurgical conferences in Singapore such as the Pituitary Tumour and Head Injury conferences. He was also the Chairman of the recent conference on Gliomas: Update on Molecular and Clinical Aspects. His clinical interests include neuro-oncology, awake craniotomies, functional neurosurgery, neurovascular and skull base surgery and traumatic head injuries. 
Assistant Professor Teo is actively involved in the undergraduate education of medical students from Yong Loo Lin School of Medicine and is also appointed as examiner in the Final Professional Examination for the Degrees of M.B.,B.S., Yong Loo Lin School of Medicine (NUS Medicine), National University of Singapore. In addition, he is also a teaching faculty member at the NUHS Neurosurgery Residency Programme. 
Education and Fellowships 
Fellowship in Brain Mapping, Awake Surgery and Low Grade Glioma Surgery under Prof Lorenzo Bello at Humanitas Research Hospital, Milan, Italy
Fellowship in functional brain mapping, awake surgeries and oncological neurosurgery with Prof Hugues Duffau at Gui De Chauliac Hospital, Montpellier, France


  • 2017 - Academic Medicine Development Award

Journals & Publications

  1. Jain SChan HMYeo TTTeo K.  Language Mapping of Hindi and English in A Bilingual Patient During Resection of A Right Frontal Glioma. World Neurosurgery. 2019.01.153
  2. Cortical Organization of Language Areas in an Effective Bilingual: Lessons From Direct Electrical Stimulation Presentation at the 4th BrainStim Meeting 2018 , Singapore
  3. Research on use of Suicide Gene Modified Mesenchymal Stem Cells and 5-Fluorocytosine Prodrug For The Targeted Treatment of Temozolamide Resistant Gliobastomas
  4. Low SW, Teo K, Lwin S, Yeo LL, Paliwal PR, Ahmad A, Sinha AK, Teoh HL, Wong LY, Chong VF, Seet RC, Chan BP, Yeo TT, Chou N, Sharma VK. Improvement in cerebral hemodynamic parameters and outcomes after superficial temporal artery-middle cerebral artery bypass in patients with severe stenoocclusive disease of the intracranial internal carotid or middle cerebral arteries. J Neurosurg. 2015 Sep;123(3):662-9.
  5. Teo K, Choy DK, Lwin S, Ning C, Yeo TT, Shen L, Chong VF, Teoh HL, Seet RC, Chan BP, Sharma AK, Sharma VK. Cerebral hyperperfusion syndrome after superficial temporal artery-middle cerebral artery bypass for severe intracranial steno-occlusive disease: a case control study. Neurosurgery. 2013 Jun;72(6):936-42.
  6. Karlsson B, Guo WY, Kejia T, Dinesh N, Pan DH, Jokura H, Kawagishi J, van Eck AT, Horstmann GA, Yeo TT, Yamamoto M. Gamma Knife surgery for central neurocytomas. J Neurosurg. 2012 Dec;117 Suppl:96-101.


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