Dr Tan has been actively involved in research and publications in the past 20 years. These are some of his publications in international peer-reviewed journals.

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• B Pandian, MC Moh, C Tan, W Lai, SF Ang, BK Lim, CH Tan, CF Sum, T Subramaniam, A Cheng, SC Lim. Long-term observation of a man with severe obesity and undiagnosed monogenic diabetes serendipitously treated with metabolic surgery. J Investig Med. High Impact Case Rep. Jan-Dec 2020;8:2324709620974871.

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• RL Gurung, M Yiamunna, A Moh, R Dorajoo, S Liu, JJ Liu, A Shabbir, J So, CH Tan, A Cheng, SC Lim. Correlation of telomere length in adipose tissues and leukocyte, and its association with post-surgical weight loss. Obesity 2020, 28(12), 2424-2430. 

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• MC Moh, A Cheng, CH Tan, BK Lim, BC Tan, D Ng, CF Sum, T Subramaniam, SC Lim. Metabolic Surgery Diabetes Remission (MDR) Score: a new preoperative scoring system for predicting Type 2 Diabetes remission at 1 year after metabolic surgery in the Singapore Multi-ethinic Asian Setting. Obes Surg. 2020 Sep;30(9):3387-3393. 

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• SC Yeo, WM Ong, A Cheng, CH Tan. Weight loss after bariatric surgery predicts an improvement in the Non-alcoholic fatty liver disease (NAFLD) Fibrosis score. Obes Surg 2019. Apr;29(4):1295-1300. 

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• Mohd Noor NA, Goh SN, Tan CH. Biliary Ascariasis – an unusual case of obstructive Jaundice. Clin Gastroenterol Hepatol 2019 Jan 30. pii: S1542-3565(19)30079-5. 

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• Koh ZJ, Salgaonkar HP, Lee WJJ, Kim GW, Tan CH, Cheng A, Lomanto D, So JBY, Dan YY, Shabbir A. Improvement in Non-alcoholic fatty liver disease score correlates with weight loss in obese patients undergoing laparoscopic sleeve gastrectomy: a two-centre study from an Asian cohort. Obes Surg Dec 2018 Mar;29(3):862-868. 

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• CH Tan, N Al-Kalifah, KH Ser, YC Lee, JC Chen, WJ Lee. Long term effect of bariatric surgery on resolution of non-alcoholic steatohepatitis (NASH): An external validation and application of a clinical NASH score. Surg Obes Relar Dis 2018 Oct;14(10):1600-1606.

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• CH Tan, N Al-Kalifah, WJ Lee, KH Ser, YC Lee, JC Chen. HSCRP as surrogate marker in predicting long term effect of bariatric surgery on resolution of non-alcoholic steatohepatitis. Asian J Surg 2019 Jan;42(1):203-208. 

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• N Al-Khalifah, WJ Lee, CH Tan, KH Ser, JC Chen, CC Wu. 15-year experience of laparoscopic single anastamosis (mini-)gastric bypass: comparison with other bariatric procedures. Surg Endosc 2018 Jul;32(7):3024-3031. 

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• MW Ong, CH Tan, AKS Cheng. Prevalence and determinants of Vitamin D Deficiency among the overweight and obese Singaporeans seeking weight management including Bariatric Surgery: a relationship with bone health. Obes Surg 2018 Aug;28(8):2305-2312.

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• Choo ZW, Lo ZJ, Tan CH, Punamiya S, Narayanan S. Chimney Stent-Graft Repair for Concurrent Inferior Mesenteric Artery Aneurysm and Infrarenal Abdominal Aortic Aneurysm: Case Report. Ann Vasc Surg. 2017 Nov;45:264.e1-264.e4.

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• CH Tan, YS Park, DW Kim, Y Lee, SH Ahn, DJ Park, HH Kim, A Cheng. A safe and efficacious alternative to Roux-en-Y gastric bypass for the treatment of morbid obesity and Type 2 Diabetes – One anastomosis / Mini gastric bypass. J Metab Bariatr Surg 2016;(5):45-52.

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• Lee Y, Tan CH, Park DJ. Current Status of intracorporeal gastroduodenostomy and modified delta-shape anastomosis after distal gastrectomy for gastric cancer. J Vis Surg 2016;2: 158.

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• Tan CH, Chang SY, Cheah YL. Laparoscopic removal of intrahepatic foreign body: a novel technique for management of an unusual cause of liver abscess – fish bone migration. J Laparoendosc Ady Surg Tech A. 2016(1): 47-50.

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• Yeap SHA, Tan CH, Cheng AK. Failed Seldinger Technique Deployment of SEMS in stenosing mid-body stomach cancer: Overcoming the problem. Med Rep Case Stud 2016;1: 2.

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• D Yeo, CH Tan, SH Tay, E Lim, A Cheng. Laparoscopic transhiatal repair of esophageal rupture in Boerhaave Syndrome is a safe and effective treatment. Case Studies in Surgery 2016;2: 2.

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• Tan CH, Chow PK, Thng CH, Chung AY, Wong WK. Pancreatic Adenocarcinoma That Mimics Groove Pancreatitis: Case Report of a Diagnostic Dilemma. Dig Dis Sci 2006 Jul:51(7): 1294-6.

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• Tan CH, Lim YJ, Lam KS, SCFE Screw Removal: Overcoming the difficulties and how to avoid it. Ann Acad Med Singapore 2007; 36(10); 877-8.