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Dr Hwang Ying Khai Peter

Dr Hwang Ying Khai Peter

MBBS, FRACS (Neurosurgery), FRCSEd (General Surgery), FRCS (Glasgow), FAMS

Senior Consultant

National Neuroscience Institute

Specialty: Neurosurgery, Surgery & Surgical Oncology

Clinical Interest: Skull Base Surgery, General Neurosurgery, Neurosurgery

Conditions Treated by this Doctor:
General Neurosurgery, Skull Base Surgery.

Clinical Appointments

  • Senior Consultant Department of Neurosurgery National Neuroscience InstituteNational Neuroscience Institute
  • Senior Consultant Neurosurgery Singapore General HospitalSingapore General Hospital
  • Senior Consultant NNI @CGH Changi General HospitalChangi General Hospital
  • Senior Consultant Division of Surgery & Surgical Oncology National Cancer Centre SingaporeNational Cancer Centre Singapore


​Dr Hwang Ying Khai Peter is a Senior Consultant, Department of Neurosurgery, at the National Neuroscience Institute.


  • 2003:Fellow in endoscopic and minimally invasive neurosurgery, Jho centre, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA
  • 2002: Fellow in Minimally Invasive Neurosurgery, Johannes Gutenberg University, Mainz, Germany
  • 1994-1998:  Neurosurgery, Royal Australasian College of Surgeons
  • 1990-1993: Surgery in General, Royal College of Surgeons, Edinburgh and Glasgow
  • 1984-1989: Faculty of Medicine, National University of Singapore

Professional Appointments and Committee Memberships

  • Core Faculty, Singhealth Neurosurgery residency program
  • Neurosurgeon, Tan Tock Seng Hospital
  • Neurosurgeon, Singapore General Hospital
  • Neurosurgeon, Changi General Hospital
  • Neurosurgeon, Kho Teck Puat Hospital
  • Neurosurgeon, Sengkang Hospital


  • 2016-2017-Silver award, Singhealth Quality service awards
  • 2017- Service with a heart award, Singapore General Hospital
  • 2014:-Certificate of Outstanding Service, Royal Australasian College of Surgeons

Research Interests


  • Dementia resulting from expansion of basilar artery aneurysm: two case reports and a review of the literature. Moore JM, Caplan L, Hwang P, Mandan A, Ogilvy CS, Thomas AJ. Acta Neurochir (Wien). 2016 Oct;158(10):1901-5. doi: 10.1007/s00701-016-2923-0. Epub 2016 Aug 16
  • Idiopathic Spinal Subarachnoid Hemorrhage: A Case Report and Review of the Literature. Moore JM, Jithoo R, Hwang P. Global Spine J. 2015 Oct;5(5):e59-64. doi: 10.1055/s-0035-1546416. Epub 2015 Apr 29
  • Endoscopic assisted transorbital keyhole surgical approach to ruptured supratentorial aneurysms P K Hwang, C L Ho.  J Neurol Surg A Cent Eur Neurosurg. 2015 Sep;76(5):376-83. doi: 10.1055/s-0035-1547358. Epub 2015 Jun 1
  • Recurrent artery of Heubner aneurysm. Vellore Y, Madan A, Hwang PY. Asian J Neurosurg. 2014 Oct-Dec;9(4):244. doi: 10.4103/1793-5482.146658
  • Use of intracranial and ocular thermography before and after arteriovenous malformation excision. Hwang PY, Lewis PM, Maller JJ.  J Biomed Opt. 2014 Nov;19(11):110503. doi: 10.1117/1.JBO.19.11.110503
  • Topical papaverine as rescue therapy for vasospasm complicated by unsecured aneurysm. Praeger AJ, Lewis PM, Hwang PY. Ann Acad Med Singapore. 2014 Jan;43(1):62-3
  • Neuropsychological outcomes of stereotactic radiotherapy for cerebral arteriovenous malformations. Murray AL, Dally M, Jeffreys A, Hwang P, Anderson JF. J Clin Neurosci. 2014 Apr;21(4):601-6. doi: 10.1016/j.jocn.2013.08.007. Epub 2013 Aug 31
  • Surgical treatment of poorly visualised and complex cerebrovascular lesions using pre-operative angiographic data as angiographic DynaCT datasets for frameless stereotactic navigation. Tee JW, Dally M, Madan A, Hwang P.  Acta Neurochir (Wien). 2012 Jul;154(7):1159-67. doi: 10.1007/s00701-012-1363-8. Epub 2012 May 5
  • Image-guided transcranial Doppler ultrasound. Lewis PM, Hwang PY. Neurosurgery. 2012 Mar;70(3):E800-1. doi: 10.1227/NEU.0b013e3182400279
  • Keyhole concept in aneurysm surgery. Hwang PY, Tee JW. Neurosurgery. 2011 Nov;69(5):E1186-7; author reply E1187. doi: 10.1227/NEU.0b013e31822dfdef
  • Management of Residual and Recurrent Aneurysms after Initial Endovascular Treatment - Reviewer Commentary. PYK Hwang. Neurosurgery. Mar 2012; 70(3):537-53; discussion 553-4
  • The expression of calcitonin receptor detected in malignant cells of the brain tumour glioblastoma multiforme and functional properties in the cell line A172.  Wookey PJ1, McLean CA, Hwang P, Furness SG, Nguyen S, Kourakis A, Hare DL, Rosenfeld JV. Histopathology. 2012 May;60(6):895-910. doi: 10.1111/j.1365-2559.2011.04146.x. Epub 2012 Feb 15
  • Decompressive Craniectomy in Diffuse Traumatic Brain Injury. DJ Cooper, JV Rosenfeld, L Murray, YM Arabi, AR Davie, P D'Urso, T Kossmann, J Ponsford, I Seppelt, P Reilly, R Wolfe , DECRA Trial Investigators ( PYK Hwang - Site Investigator at the Main Contributing Hospital,  The Alfred Hospital), Australian and New Zealand Intensive Care Society Clinical Trials Group. New England Journal of Medicine, Apr 2011; 364(16):1493-502. Erratum in: N Engl J Med. Nov 2011; 365(21):2040
  • Postoperative intracranial haemorrhage: a review. Seifman MA, Lewis PM, Rosenfeld JV, Hwang PY. Neurosurg Rev. 2011 Oct;34(4):393-407. doi: 10.1007/s10143-010-0304-3. Epub 2011 Jan 19. Review
  • Extensive craniocervical pneumocranium. Satgunaseelan L, McLean C, Cousins VC, Hwang PY. J Neurosurg. 2011 Feb;114(2):497-504. doi: 10.3171/2010.8.JNS10200. Epub 2010 Oct 8
  • The epidemiology of BCVI at a single state trauma centre. Hwang PY, Lewis PM, Balasubramani YV, Madan A, Rosenfeld JV. Injury. 2010 Sep;41(9):929-34. doi: 10.1016/j.injury.2010.03.006. Epub 2010 Apr 2
  • Dex-ray: augmented reality neurosurgical navigation with a handheld video probe. Kockro RA, Tsai YT, Ng I, Hwang P, Zhu C, Agusanto K, Hong LX, Serra L. Neurosurgery. 2009 Oct;65(4):795-807; discussion 807-8. doi: 10.1227/01.NEU.0000349918.36700.1C
  • Virtual temporal bone: an interactive 3-dimensional learning aid for cranial base surgery. Kockro RA, Hwang PY. Neurosurgery. 2009 May;64(5 Suppl 2):216-29; discussion 229-30. doi: 10.1227/01.NEU.0000343744.46080.91
  • Surgical planning for microsurgical excision of cerebral arterio-venous malformations using virtual reality technology. Ng I, Hwang PY, Kumar D, Lee CK, Kockro RA, Sitoh YY. Acta Neurochir (Wien). 2009 May;151(5):453-63; discussion 463. doi: 10.1007/s00701-009-0278-5. Epub 2009 Mar 25
  • A collaborative virtual reality environment for neurosurgical planning and training. Kockro RA, Stadie A, Schwandt E, Reisch R, Charalampaki C, Ng I, Yeo TT, Hwang P, Serra L, Perneczky A. Neurosurgery. 2007 Nov;61(5 Suppl 2):379-91; discussion 391. doi: 10.1227/01.neu.0000303997.12645.26
  • Neuronavigation using an image-guided endoscopic transnasal-sphenoethmoidal approach to clival chordomas. Hwang PY, Ho CL. Neurosurgery. 2007 Nov;61(5 Suppl 2):212-7; discussion 217-8. doi: 10.1227/01.neu.0000303219.55393.fe
  • Peculiar geometric alopecia and trigeminal nerve dysfunction in a patient after Guglielmi detachable coil embolization of a ruptured aneurysm. Thorat JD, Hwang PY. J Stroke Cerebrovasc Dis. 2007 Jan-Feb;16(1):40-2
  • Minimally invasive carpal tunnel decompression using the KnifeLight. Hwang PY, Ho CL. Neurosurgery. 2007 Feb;60(2 Suppl 1):ONS162-8; discussion ONS168-9
  • MR Regional Perfusion Imaging : Visualizing Functional Collateral Circulation. CCT Lim, ET Petersen, I Ng, PYK Hwang, F Hui, X Golay. American Journal of Neuroradiology, Apr 2007: 28(3):447-8
  • Virtual Reality Simulation for Complex Skull Base Surgery. P Hwang, R Kockro et al. Asian Journal of Neurosurgery, 2007; 1: 1-8
  • Neurosurgical management of intracranial aneurysms following unsuccessful or incomplete endovascular therapy. Minh T, Hwang PY, Nguyen KC, Ng I. Br J Neurosurg. 2006 Oct;20(5):306-11
  • Endolymphatic Sac Tumour: A Rare Cause of Recurrent Vertigo. YK Ong, NSW Chee, PYK Hwang, J Goh. Singapore Medical Journal, Aug 2006; 47(7): 627-30
  • Gene Transfer to Dorsal Root Ganglia by Intrathecal Injection : Effects on Regenration of Peripheral Nerves. X Wang, C Wang, J Zeng, X XU, PYK Hwang, WC Yee, YK Ng, S Wang. Molecular Therapy, Sep 2005; 12(2): 314-20
  • Improved Neuronal Transgene Expression from an AAV-2 Vector with Hybrid CMV Enhancer/PDGF-Beta Promoter. CY Wang, HY Guo, TM Lim, YK Ng, HP Neo, PYK Hwang, WC Yee, S Wang . The Journal of Gene Medicine,. Aug 2005; 7(7):945-55
  • Spermine Reduces Infarction and Neurological Deficit following a Rat Model of Middle Cerebral Artery Occlusion : An MRI Study. MD Shirhan, SM Moochhala, PY Ng, J Lu, KC Ng, AL Teo, E Yap, I Ng, P Hwang, T Lim, YY Sitoh, H Rumpel, R Jose, E Ling. Neuroscience,  Feb 2004: 124(2): 299-304
  • Peripheral Nerve Regeneration with sustained Release of Poly (phosphoester) Microencapsulated Nerve Growth Factor within Nerve Guide Conduits. X Xu, WC Yee, PYK Hwang, H Yu, A Wan, S Gao, K Boon, H Mao, K Leong, S Wang. Biomaterials, Jul 2003; 24(13): 2405-12
  • Symptomatic Cysts of the Cavum Septi Pellucidi and Cavum Vergae: the Role of Endoscopic Neurosurgery in the Treatment of Four Consecutive Cases. M Fratzoglou, P Grunert, A Leite dos Santos, P Hwang, G Fries. Minimally Invasive Neurosurgery; Sep 2003,  46(4):243-9
  • Video endoscopic sympathectomy for palmar hyperhidrosis. Lee KH, Hwang.  J Neurosurg. 1996 Mar;84(3):484-6
  • Large cerebral arteriovenous malformations: experience with 27 cases.  Sadasivan B1, Hwang PY. Surg Neurol. 1996 Mar;45(3):245-9
  • Quantitative measurement of brain injury using MRI after decompression craniectomy: A pilot study. March 2014 Journal of Neurotrauma Conference: 11th Symposium of the International-Neurotrauma-Society, Volume: 31

Research Trials