Dr Chok Aik Yong

Languages Spoken

• English

Education and Training

• Fellow of the Royal College of Surgeons of Edinburgh, 2017
  
• Masters in Medicine (General Surgery), National University of Singapore, 2016
  
• Member of the Royal College of Surgeons of Edinburgh, 2010
  
• Bachelor of Medicine and Bachelor of Surgery, National University of Singapore, 2008
  

Professional Appointments and Committee Memberships

• Clinical Tutor, ​Duke-NUS Medical School
  
• Clinical Lecturer, NUS Yong Loo Lin School of Medicine
  
• Physician Faculty Member, SingHealth General Surgery Residency Program
  
• Associate Member, Society of Colorectal Surgeons (Singapore), 2009 to present
  

Awards

• SGH Service with a Heart Award, Service Quality Award 2017
  
• Outstanding Faculty Award (Academic Year 2016/2017), Singhealth Residency 
  

Publications

• Koh YX, Lee SY, Chok AY, Chung AY. Icteric Intraductal Hepatocellular Carcinoma and Bile Duct Thrombus Masquerading as Hilar Cholangiocarcinoma. Ann Acad Med Singapore. 2016 Mar;45(3):113-6. 
  
• Goh BK, Chok AY, Allen JC Jr, Quek R, Teo MC, Chow PK, Chung AY, Ong HS, Wong WK. Blood neutrophil-to-lymphocyte and platelet-to-lymphocyte ratios are independent prognostic factors for surgically resected gastrointestinal stromal tumors. Surgery. 2016 Apr;159(4):1146-56. 
  
• Koh YX, Zheng HL, Chok AY, Tan CS, Wyone W, Lim TK, Tan DM, Goh BK. Systematic review and meta-analysis of the spectrum and outcomes of different histologic subtypes of noninvasive and invasive intraductal papillary mucinous neoplasms. Surgery. 2015 Mar;157(3):496-509. 
  
• Chok AY, Goh BK, Koh YX, Lye WK, Allen JC Jr, Quek R, Teo MC, Chow PK, Ong HS, Chung AY, Wong WK. Validation of the MSKCC Gastrointestinal Stromal Tumor Nomogram and Comparison with Other Prognostication Systems: Single-Institution Experience with 289 Patients. Ann Surg Oncol. 2015 Oct;22(11):3597-605. 
  
• Aik-Yong C, Ye-Xin K, Yi NS, Hway WT. Abdominal compartment syndrome: Incidence and prognostic factors influencing survival in Singapore. Indian J Crit Care Med. 2014 Oct;18(10):648-52. 
  
• Koh YX, Chok AY, Wong AS. Perforated duodenal diverticulum as an unusual sequelae of intestinal obstruction. ANZ J Surg. 2014 May 30. 
  
• Koh YX, Chok AY, Zheng HL, Tan CS, Goh BK. A systematic review and meta-analysis of the clinicopathologic characteristics of cystic versus solid pancreatic neuroendocrine neoplasms. Surgery. 2014 Jul;156(1):83-96.e2. 
  
• Chok AY, Koh YX, Ow MY, Allen JC Jr, Goh BK. A systematic review and meta-analysis comparing pancreaticoduodenectomy versus limited resection for duodenal gastrointestinal stromal tumors. Ann Surg Oncol. 2014 Oct;21(11):3429-38. 
  
• Koh YX, Chok AY, Zheng HL, Tan CS, Goh BK. Systematic review and meta-analysis comparing the surgical outcomes of invasive intraductal papillary mucinous neoplasms and conventional pancreatic ductal adenocarcinoma. Ann Surg Oncol. 2014 Aug;21(8):2782-800.
  
• Chok AY, Koh YX, Lee J, Wong AS. Secondary stent-in-stent self-expanding metallic stent placement for early stent occlusion due to mucosal oedema in the gastrojejunal anastomosis after palliative subtotal gastrectomy for locally advanced gastric cancer. Singapore Med J. 2013 Dec;54(12):e240-3.
  
• Koh YX, Chok AY, Zheng HL, Tan CS, Chow PK, Wong WK, Goh BK. A systematic review and meta-analysis comparing laparoscopic versus open gastric resections for gastrointestinal stromal tumors of the stomach. Ann Surg Oncol. 2013 Oct;20(11):3549-60.
  
• Koh YX, Chiow AK, Chok AY, Lee LS, Tan SS, Ibrahim S. Recurrent pyogenic cholangitis: disease characteristics and patterns of recurrence. ISRN Surg. 2013 May 25;2013:536081. 
  
• Goh BK, Chow PK, Chok AY, Chan WH, Chung YF, Ong HS, Wong WK. Impact of the introduction of laparoscopic wedge resection as a surgical option for suspected small/medium-sized gastrointestinal stromal tumors of the stomach on perioperative and oncologic outcomes. World J Surg. 2010 Aug;34(8):1847-52.