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Prof. Wong Wai Keong

Head and Senior Consultant

Department of General Surgery

MBBS, FRCS (Edin), FAMS, Clinical Professor

Professor Wong Wai Keong is a General Surgeon with special interest in Upper Gastro-intestinal Surgery, Laparoscopic Surgery and Therapeutic Endoscopy. In Upper GI Surgery, he specializes in Stomach Cancer and Oesophageal Cancer as well as laparoscopic GI surgery. Prof Wong graduated from Medical Faculty (MBBS), National University of Singapore in 1984. He subsequently obtained his Fellowship in Surgery(FRCS) from Royal College of Edinburgh, UK in 1990 and became a Member of Fellow of Academy of Medicine(FAMS), Singapore in 1996. Prof Wong subsequently went to Japan, England and Hong Kong to undergo training in Upper GI Surgery and Endoscopy.


Prof Wong is currently the Head of Department of General Surgery, Singapore General Hospital. He is also the Vice Chair for Education of Surgery Academic Clinical Programme in Singhealth. He is the Director of the Basic Surgical Skill Course in the Hospital. In addition he also sits in various committees like Standing Committee for Specialist Training and Examination(Academy of Medicine, Singapore), Outram Campus Emergency Planning Committee, Joint Committee on Specialist Training(JCST) Site Accreditation Team, Clinical Quality Officer etc. He is also examiner for the final MBBS( NUS) examination, Post-graduate examinations( Family Medicine, MRCS and FRCS).


1.Singapore Cancer Syndicate- Phase II Study of Neoadjuvant Chemotherapy for Locally Advanced Gastric Cancer (SCS-GS0016) – on going(PI)

2.Developing an Integrated Platform for multi-disciplinary translational gastric cancer research: correlating genotypes, transcription profiles and histopathology with clinical oncology and surgical outcomes(NMRC/CPG/005/2004) – on going(PI)

3.The effect of recombinant growth hormone on nitrogen balance in malnourished patients after major abdominal surgery. W K Wong, K C Soo, R Nambiar, Y S Tan, S L Yu, I K Tan. The Australian and New Zealand Journal of Surgery 1995; 65: 109-113

4.Early postoperative plasma calcium concentration as a predictor of the need for calcium supplement after parathyroidectomy. W K Wong, N A C S Wong, J R Farndon. Br J Surg 1996; 83: 532-534.
5.Comparative study of manual suturing and mechanical stapling in abdominal oesophageal anastomosis. W K Wong, R Nambiar. SGH Proceedings 1995; 4: 2-4.
6.Extended resection of locally advanced (T4) stomach cancer. WS Yong, WK Wong, KC Soo. Ann Acad Med Singapore 2000; 29:723-6

7.The Current Status of Oesophageal Cancer Management. W K Wong, Chan H S. SGH Proceedings 2001; 9(3) : 202-206
8.Concurrent Chemoradiation followed by Surgery in locally advanced squamous cell carcinoma of the Oesophagus: A Single Centre Experience. Wong NS, Foo KF, Poon D, Leong SS, Wong WK, Chan HS, Soo KC, Yap SP, Cheung YB, Wee J, Tan EH. Ann Acad Med Singapore 2005 June; 34(5) : 369-75.
9. Intra-abdominal Schwannomas : a single instituition experience. J gastrointest Surg 2008 April;12(4):756-60. Goh BK, Chow PK , Kesavan S, Yap WM, Ong HS, Song IC, Eu KW, Wong WK
10.How Useful Are Clinical, Biochemical, and Cross-sectional Imaging Features in Predicting Potentially Malignant or Malignant Cystic Lesions of the Pancreas? Results from a Single Instituition Experience with 220 Surgically Treated Patients. J Am Coll Surg 2008 Jan;206(1):17-27. Goh BK, Tan YM, Thng CH, Cheow PC, Chung AY, Chow PK, Wong WK, Ooi LL

11.Outcome after Surgical Treatment of Suspected Gastrointestinal Stromal Tumors Involving the Duodenum: Is limited Resection appropriate? J Surg Oncol 2007 Dec 28;97(5):388-391. Goh BK, Chow PK , Kesavan S, Yap WM, Wong WK
12.Outcome of Distal Pancreatectomy for Pancreatic Adenocarcinoma. Dig Surg 2008 Feb 21;25(1):32-38. Goh BK, Tan YM, Cheow PC, Chung AY, Chow PK, Wong WK, Ooi LL
13.Which is the Optimal Risk Stratification System for Surgically treated Localized Primary GIST? Comparison of Three Contemporary Prognostic Criteria in 171 Tumors and a Proposal for a Modified Armed Forces Institute of Pathology Risk Criteria. Ann Surg Oncol 2008 Aug ;15(8) : 2153-63.  BKP Goh, PKH Chow, WM Yap, SM Kesavan, IC Song, PG Paul, BS Ooi, YFA Chung, WK Wong.
14.Critical Appraisal of 232 consecutive distal pancreatectomies with emphasis on risk factors, outcome, and management of the postoperative pancreatic fistula: a 21 year experience at a single instituition. Arch Surg 2008 Oct; 143(10) : 956-65. Goh BK, Tan YM, Chung AY, Cheow PC, Ong HS, Chan WH, Chow PK, Soo KC, Wong WK, Ooi LL.

15.The distinctive gastric fluid proteome in gastric cancer reveals a multi-biomarker diagnostic profile. BMC Med Genomics. 2008 Oct 25;1: 54. Kon OL, Yip TT, Ho MF, Chan WH, Wong WK, Tan SY, Ng WH, Kam SY, Eng AKh, Ho P, Viner R, Ong HS, Kumarasinghe MP.

16.Outcome after Curative Resection of Large (>/=10 cm) Gastric Gastrointestinal Stromal Tumors: How Frequent is the Adjacent Involvement and Is Concomitant Distal Pancreatectomy Necessary? Goh BK, Chow PK, Kesavan SM, Yap WM, Chung YF, Wong WK. J Gastrointest Surg. 2010 Jan

17.Randomized controlled trial of standard versus high-dose intravenous omeprazole afterendoscopic therapy in high-risk patients with acute peptic ulcer bleeding. Chan WH, Khin LW, Chung YF, Goh YC, Ong HS, Wong WK. Br J Surg. 2011 Feb 8.

18.Intrinsic Subtypes of Gastric Cancer, Based on Gene Expression Pattern, Predict Survival andRespond Differently to Chemotherapy. Tan IB, Ivanova T, Lim KH, Ong CW, Deng N, Lee J, Tan SH, Wu J, Lee MH, Ooi CH, Rha SY, Wong WK, Boussioutas A, Yeoh KG, So J, Yong WP, Tsuburaya A, Grabsch H, Toh HC, Rozen S, Cheong JH, Noh SH, Wan WK, Ajani JA, Lee JS, Tellez MS, Tan P. Gastroenterology 2011 April 28

19.Exome sequencing of gastric adenocarcinoma identifies recurrent somatic mutations in cell adhesion and chromatin remodeling genes. Zeng ZJ, Cutcutache I, Poon SL, Zhang SL, McPherson JR, Wong WK , Zhu YJ, Tan P et al Nat Genet 2012 April 8

20. Guideline on training and credentialing in endoscopic retrograde cholangiopancreatography.  Ang TL,Cheng J, Khor JL, Mesenas SJ, Vu KF, Wong WK. Singapore Med J. 2011 Sep;52(9):654-

Last Modified Date :04 Jan 2010