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Dr Teo Jin Yao

Dr Teo Jin Yao

​MRCSEd, FRCSEd(Gen Surg)

Senior Consultant

Specialty: Surgery & Surgical Oncology, Hepato-pancreato-biliary and Transplant Surgery

Clinical Interest: Hepato-pancreato-biliary and Transplant Surgery, Minimally Invasive Surgery

Conditions Treated by this Doctor:
Gallstones, Hepato-Pancreato-Biliary Cancers, Liver Cancer, Liver Tumours, Pancreatic Cancer, Pancreatic Endocrine Tumours, Pancreatic Tumours.

Clinical Appointments

  • Senior Consultant Hepato-pancreato-biliary and Transplant Surgery Singapore General HospitalSingapore General Hospital
  • Senior Consultant Division of Surgery & Surgical Oncology National Cancer Centre SingaporeNational Cancer Centre Singapore

Academic Appointments

  • NUS Yong Loo Lin School of Medicine


Dr Teo Jin Yao is a Senior Consultant with the Department of Hepato-pancreato-biliary and Transplant Surgery, Singapore General Hospital. He has a spectrum of clinical interests, encompassing both benign (non-cancerous) and malignant (cancerous) diseases of the liver, pancreas, gallbladder and biliary tree. In addition to his clinical work, he is also actively involved in both research and educational pursuits in the above areas.


  • ​2014: Fellow, Royal College of Surgeons (Edinburgh), Master of Medicine, Surgery (National University of Singapore)
  • 2009: Member, Royal College of Surgeons (Edinburgh)
  • 2006: MBBS (National University of Singapore)

Professional Appointments and Committee Memberships

  • ​Secretary, Singapore Liver Cancer Support Group. 2012 - 2014
  • Department Infection Control Liaison Officer. Dept. of Hepatopancreatobiliary and Transplant Surgery. SGH. Jan 2015 – March 2017
  • Medical Staff, Formula 1 Grand Prix Track Medical Centre, Singapore. September 2015.
  • Member, Acute Care Surgery (ACS) Workgroup. April  - October 2016
  • Organizing Co-Chairman. ”. Liver Cancer Awareness Month (LiCAM) Postgraduate Course. October 2016
  • Platform Director (Medical Student Education) of the Surgical Skills & Simulation Centre (SSSC) from 1 January 2017 to 31 December 2018
  • Member, Scientific Programme Committee, Duke-NUS Surgical and Anaesthesia Congress 2017. 23 January – 30 November 2017.
  • Member, taskforce for Control and Prevention of Multi-Drug Resistant Organisms (MDRO). 1 February 2017 – 17 March 2017.
  • Member, Clinical Core Faculty for General Residency Programme. 1 April 2017 – 30 June 2020
  • Member, General Surgery Residency Program Evaluation Committee (PEC). 01 April 2017 to 30 June 2019
  • Director (Resident and Student Research Mentorship Office), Academic Clinical Programme, SingHealth Duke-NUS Academic Medical Centre. 1May 2017 – 31 December 2018.


  • ​CERTIFICATE OF COMMENDATION. Yong Loo Lin School of Medicine, National University of Singapore Dean’s Award - Role Model, Class of 2014.
  • SENIOR INVESTIGATOR AWARD. Oral Presentation. “Underlying Liver Disease Influences Volumetric Changes In The Spared Hemiliver After Selective Internal Radiation Therapy (Sirt) With Y90 In Patients With Hepatocellular Carcinoma”.  2nd AMM-AMS-HKAM Tripartite Congress & 47th Singapore-Malaysia Congress of Medicine. Singapore.
  • SERVICE WITH A HEART AWARD. SingHeath Servive Quality Showcase 2016.
  • OUTSTANDING FACULTY AWARD. Residency in SingHealth Excels (RiSE) awards ceremony 2016.
  • DEAN’S AWARD  FOR TEACHING EXCELLENCE. Yong Loo Lin School of Medicine, National University of Singapore Dean’s Award. October 2017

Research Interests


  • Principal Investigator. Singhealth Foundation (SHF) Research Grant. Effect of Remote Ischaemic preConditioning on liver injury in patients undergoing major LIVER resection surgery: The ERIC-LIVER trial. SHF/CTG056/2015. $149360 over 2 years.
  • Teo JY, Kam MH, Eu KW. Letter to the editor on the article "Treatment of grade III and IV haemorrhoidal disease with PPH or THD. A randomized trial on postoperative complications and short-term results". Int J Colorectal Dis. 2010 Nov;25(11):1385. Epub 2010 Jun 9
  • Teo JY, Low OW, Ho KS. Colonic perforation caused by direct trauma during CT colonography performed via end colostomy: A case report of a unique occurrence. Singapore Med J. 2011 Dec;52(12):e248-50.
  • Teo JY, Cheong CS, Wong CY. Low Local Recurrence Rates In Young Asian Patients With Phyllodes Tumours: Less Is More. ANZ J Surg. 2012 Mar 27. doi: 10.1111/j.1445-2197.2012.06045.x. [Epub ahead of print]
  • Chew MH, Teo JY, Kabir T, Koh PK, Eu KW, Tang CL. Stage IV colorectal cancers: an analysis of factors predicting outcome and survival in 728 cases. J Gastrointest Surg. 2012 Mar;16(3):603-12. Epub 2011 Oct 19.
  • Lee SY, Cheow PC, Teo JY, Ooi LL.  Surgical treatment of neuroendocrine liver metastases. Int J Hepatol. 2012;2012:146590. Epub 2012 Jan 26.
  • Teo JY, Tan PH, Yong WS. Male Breast Cancer: 15 Years of Experience at a Single Tertiary Institution. Ann Acad Med Singapore. 2012 Jun;41(6):247-51
  • Tay KV, Teo JY. Education and imaging. Gastrointestinal: Incidental findings of Ascaris Lumbricoides in patient presenting with ureteric colic. J Gastroenterol Hepatol. 2012 Jun;27(6):1127
  • Teo JY, Lee SY, Chua AJ, Wong WK. Will the local ACGME-trained surgeon be adequately prepared? An estimate of the impact of duty hour restrictions on operative experience. Ann Acad Med Singapore. 2013 Apr;42(4):203-6.
  • Teo JY, Goh BK, Cheah FK, Allen JC, Lo RH, Engng DC, Goh AS, Khor AY, Sim HS, Ng JJ, Chow PK. Underlying liver disease influences volumetric changes in the spared hemiliver after selective internal radiation therapy with Y90 in patients with hepatocellular carcinoma. J Dig Dis. 2014 Aug;15(8):444-50.
  • Goh BK, Chow PK, Teo JY, Wong JS, Chan CY, Cheow PC, Chung AY, Ooi LL. Number of Nodules, Child-Pugh Status, Margin Positivity, and Microvascular Invasion, but not Tumor Size, are Prognostic Factors of Survival after Liver Resection for Multifocal Hepatocellular Carcinoma. J Gastrointest Surg. 2014 Aug;18(8):1477-85.
  • Khor AY, Toh Y, Allen JC, Ng DC, Kao YH, Zhu G, Choo SP, Lo RH, Tay KH, Teo JY, Goh BK, Burgmans MC, Irani FG, Goh AS, Chow PK. Survival and pattern of tumor progression with yttrium-90 microsphere radioembolization in predominantly hepatitis B Asian patients with hepatocellular carcinoma. Hepatol Int. 2014 Jul;8(3):395-404. doi: 10.1007/s12072-014-9533-9. Epub 2014 Apr 5
  • Teo JY, Goh BK. Contra-lateral liver lobe hypertrophy after unilobar Y90 radioembolization: an alternative to portal vein embolization? World J Gastroenterol. 2015 Mar 21;21(11):3170-3. doi: 10.3748/wjg.v21.i11.3170.
  • Teo JY, Allen JC Jr, Ng DC, Choo SP, Tai DW, Chang JP, Cheah FK, Chow PK, Goh BK. A systematic review of contralateral liver lobe hypertrophy after unilobar selective internal radiation therapy with Y90HPB (Oxford). 2016 Jan;18(1):7-12. doi: 10.1016/j.hpb.2015.07.002. Epub 2015 Dec 11
  • Goh BK, Teo JY, Chan CY, Lee SY, Jeyaraj P, Cheow PC, Chow PK, Ooi LL, Chung AY. Importance of tumor size as a prognostic factor after partial liver resection for solitary hepatocellular carcinoma: Implications on the current AJCC staging system. J Surg Oncol. 2015 Nov 26. doi: 10.1002/jso.24099. [Epub ahead of print]
  • Teo JY, Kam JH, Chan CY, Goh BK, Wong JS, Lee VT, Cheow PC, Chow PK, Ooi LL, Chung AY, Lee SY. Laparoscopic liver resection for posterosuperior and anterolateral lesions-a comparison experience in an Asian centre. Hepatobiliary Surg Nutr. 2015 Dec;4(6):379-90. doi: 10.3978/j.issn.2304-3881.2015.06.06.
  • Cheng L, Teo JY, Wu J, Gogna A, Tan BS, Ooi LL, Liu J, Yu HY. Creation of clinically-differential tumor mimic model using vaseline-based materials with barium sulfate for the validation of real-time ultrasound image-guided liver biopsy system. Biomed. Eng. Appl. Basis Commun. 28, 1650003 (2016). doi: 10.4015/S1016237216500034
  • Tan QT, Teo JY, Ahmed SS, Chung AY. A case of small bowel metastasis from spinal Ewing sarcoma causing intussusception in an adult female. World J Surg Oncol. 2016 Apr 16;14(1):109. doi: 10.1186/s12957-016-0850-4
  • Goh BK, Teo JY, Chan CY, Lee SY, Cheow PC, Chung AY. Laparoscopic repeat liver resection for recurrent hepatocellular carcinoma. ANZ J Surg. 2016 Apr 27. doi: 10.1111/ans.13628. [Epub ahead of print]
  • Cheng L, Wu J, Gogna A, Tan BS, Teo JY, Ooi LL, Liu J, Yu HY. Subject-specific and respiration-corrected 4D liver model from real-time ultrasound image sequences. Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization. DOI:10.1080/21681163.2016.1147985.
  • Goh BK, Teo JY, Allen JC Jr, Tan DM, Chan CY, Lee SY, Tai DW, Thng CH, Cheow PC, Chow PK, Ooi LL, Chung AY. Preoperative platelet-to-lymphocyte ratio improves the performance of the international consensus guidelines in predicting malignant pancreatic cystic neoplasms. Pancreatology. 2016 Jun 26. pii: S1424-3903(16)31135-8. doi: 10.1016/j.pan.2016.06.660. [Epub ahead of print]
  • Goh BK, Teo JY, Chan CY, Lee SY, Cheow PC, Chung AY. Review of 103 Cases of Laparoscopic Repeat Liver Resection for Recurrent Hepatocellular Carcinoma. J Laparoendosc Adv Surg Tech A. 2016 Nov;26(11):876-881. Epub 2016 Aug 25.
  • Goh BK, Teo JY, Chan CY, Lee SY, Cheow PC, Chow PK, Ooi LL, Chung AY. Evolution of laparoscopic liver resection at Singapore General Hospital: a nine-year experience of 195 consecutive resections. Singapore Med J. 2016 Dec 13. doi: 10.11622/smedj.2016188. [Epub ahead of print]
  • Nastase A, Teo JY, Heng HL, Ng CC, Myint SS, Rajasegaran V, Loh JL, Lee SY, Ooi LL, Chung AY, Chow PK, Cheow PC, Wan WK, Azhar R, Khoo A, Xiu SX, Alkaff SM, Cutcutache I, Lim JQ, Ong CK, Herlea V, Dima S, Duda DG, Teh BT, Popescu I, Lim TK .Genomic and proteomic characterization of ARID1A chromatin remodeller in ampullary tumors. Am J Cancer Res. 2017 Mar 1;7(3):484-502.
  • Zheng J, Chou JF, Gönen M, Vachharajani N, Chapman WC, Majella Doyle MB, Turcotte S, Vandenbroucke-Menu F, Lapointe R, Buettner S, Groot Koerkamp B, Ijzermans JNM, Chan CY, Goh BKP, Teo JY, Kam JH, Jeyaraj PR, Cheow PC, Chung AYF, Chow PKH, Ooi LLPJ, Balachandran VP, Kingham TP, Allen PJ, D'Angelica MI, DeMatteo RP, Jarnagin WR, Lee SY. Prediction of Hepatocellular Carcinoma Recurrence Beyond Milan Criteria After Resection: Validation of a Clinical Risk Score in an International Cohort. Ann Surg. 2017 Jul 22. doi: 10.1097/SLA.0000000000002360. [Epub ahead of print]
  • Goh BKP, Teo JY, Lee SY, Kam JH, Cheow PC, Jeyaraj P, Chow PKH, Ooi LLPJ, Chung AYF, Chan CY. Critical appraisal of the impact of individual surgeon experience on the outcomes of laparoscopic liver resection in the modern era: collective experience of multiple surgeons at a single institution with 324 consecutive cases. Surg Endosc. 2017 Sep 15. doi: 10.1007/s00464-017-5864-7. [Epub ahead of print]

Research Trials