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Emile John Tan Kwong Wei
Dr Emile John Tan Kwong Wei
Singapore General Hospital
Colorectal Surgery
BSc (Hons), MBBS (London), MD (Res)(Imperial College), FRCS (UK)

Dr Emile read Medicine at the University College London Medical School before completing both his basic and higher surgical training in London. He completed a year-long fellowship at the Royal Marsden Hospital, London, training in advanced and recurrent colorectal cancer surgery, and spent a further year at the renown St Marks’ Hospital in Harrow, UK, training in advanced laparoscopic surgery, intestinal failure, pelvic floor and inflammatory bowel disease, before being appointed Consultant and Clinical Senior Lecturer with Imperial College London in 2014, operating on the Chelsea and Westminster and Royal Marsden Hospital Campus.

Along the way, he helped to set up a pelvic floor translational research platform on behalf of Imperial College London, and took the opportunity to develop his career as a clinical academic. He was awarded a National Institute for Health (NIHR UK) Academic Clinical Fellowship in 2008, followed by an NIHR award for a Clinical Academic Lectureship in 2011.

Dr Emile has published widely in international peer-reviewed journals, and presented internationally. He maintains a strong interest in laparoscopic and open cancer surgery, and pelvic floor disease, in particular laparoscopic prolapse and functional surgery, as well as neuromodulation.

He continues to work towards balancing a clinical and academic practice as a Clinician Scientist, together with his responsibilities to his family.

  • Bachelor of Science, Immunology and Cell Pathology; University College London, 1998
  • Bachelor of Medicine, Bachelor of Surgery; University College London Medical School, 2001
  • Doctor of Medicine by Research; Imperial College London, 2012
  • Fellow of the Royal College of Surgeons of England, General and Colorectal Surgery, 2013
Professional Appointments and Committee Memberships
  • Consultant, Colorectal Surgery, SGH
  • Clinical Senior Lecturer, Imperial College London – Chelsea and Westminster Hospital and Royal Marsden Hospital
  • Shanks Foundation Award, Immunology and Cell Pathology UCL-1998
  • Distinguished Oral Abstract (Imaging and Advanced Technology), Digestive Diseases Week-2008
  • Teaching Hero Award, Imperial College London-2010
  • Poster of Distinction, Association of Surgeons of Great Britain and Ireland-2011
  • Clinical Academic Lectureship in Surgery, National Institute for Health Research UK-2011
Publications and Research Trials

Over 40 publications including:

  • Colorectal Disease 2016 in press
    “Novel technologies for treating perianal fistulae – success and adoption rates in the last 20 years”
    Kontovounisos C, Tan E, Rasheed S, Wexner S, Tekkis P
  • Lancet 2016 Feb 13;387(10019)
    “Comment on the CONFIDeNT trial”
    Iqbal F, Bokhari S, Tan E, Vaizey CJ
  • Diseases of the Colon and Rectum 2016 Feb;59(2):132-9
    “Transcutaneous sacral electrical stimulation for chronic functional constipation”
    Iqbal F, Thomas GP, Tan E, Askari A, Dastari JK, Nicholls J, Vaizey CJ
  • Colorectal Disease 2016 Feb; 18(2):173-8
    “Bilateral transcutaneous tibial nerve stimulation for chronic constipation”
    Iqbal F, Collins B, Thomas GP, Askari A, Tan E, Nicholls RJ, Vaizey CJ
  • International Journal of Colorectal Disease 2016 Jan 12 (Epub ahead of print)
    “Functional outcomes following ileal pouch-anal anastomosis (IPAA) in older patients: a systematic review”
    Ramage L, Qiu S, Georgiou P, Tekkis P, Tan E
  • Colorectal Disease 2015 Dec;17(12):1062-70
    “Hand-sewn coloanal anastomosis for low rectal cancer: technique and long-term outcome”
    Tekkis P, Tan E, Kontovounisios C, Kinross J, Georgiou C Nicholls R J, Rasheed, SBrown G
  • British Journal of Surgery 2015 Dec; 102(13):1603-18
    “Systematic review and network meta-analysis comparing clinical outcomes and effectiveness of surgical treatments for haemorrhoids”
    Simillis C, Thoukididou SN, Slesser AA, Rasheed S, Tan E, Tekkis PP
  • Clinical Gastroenterology and Hepatology 2015 Oct;13(10):1785-92
    “Factors associated with efficacy of nurse-led bowel training of patients with chronic constipation”
    Iqbal F, Askari A, Adaba F, Choudhary A, Thomas G, Collins B, Tan E, Nicholls RJ, Vaizey CJ
  • Colorectal Disease 2015 Sep;17(9):762-71
    “A systematic review of sacral nerve stimulation for low anterior resection syndrome”
    Ramage L, Qiu S, Kontovounisios C, Tekkis P, Rasheed S, Tan E
  • Techniques in Coloproctology 2015 Jul;19(7):381-9
    “Is robotic ventral mesh rectopexy better than laparoscopy in the treatment of rectal prolapse and obstructed defecation? A meta-analysis.”
    Ramage L, Georgiou P, Tekkis P, Tan E
  • Colorectal Disease 2015 Jan; 17(1):7-16
    “Complete Mesocolic Excision in Colorectal Cancer – a systematic review”
    Kontovounisos C, Tan E, Rasheed S, Nicholls RJ, Xynos E, Tekkis P
  • Colorectal Disease 2015 Feb;17(2):O34-46
    “Ventral colporectopexy for overt rectal prolapse and obstructed defecation syndrome – a systematic review”
    Gouvas N, PA Georgiou, Agalianos C, Tan E, Tekkis P, Dervenis C, Xynos E
  • Colorectal Disease 2014 Dec;16(12);971-5
    “Modified right colon inversion technique as a salvage procedure for low colorectal or coloanal anastomosis – long-term outcomes”
    Kontovounisios C, Baloyiannis Y, Kinross J, Tan E, Rasheed S, Tekkis P
  • BMJ Case Reports 2014 Jan 15; pii: bcr2013201599
    “Enterobiasis-related associated inflammatory caecal polyp masquerading as malignancy”
    Elsaid N, Mahmood H, Tekkis P, Tan E
  • British Journal of Surgery 2013 Jul; 100(8)1009-14
    “Consensus statement of the multidisciplinary management of patients with recurrent and primary rectal cancer beyond total mesorectal excision planes”
    Beyond TME Collaborative
  • Colorectal Disease 2013 Jan;15(1):e65-6
    “Case report: Pan-enteric Diaphragm Disease”
    Shearman A, Tekkis P, Stamp G, Tan E
  • Inflamm Bowel Dis. 2012 Sep;18(9):1601-7
    “Study of sexual, urinary and fecal function in females following restorative proctocolectomy”
    Cornish J, Wooding K, Tan E, Nicholls RJ, Clark SK, Tekkis PP
  • Colorectal Disease. 2011 Oct;13(10):e339-44
    “Female infertility following restorative proctocolectomy”
    Cornish JA, Tan E, Singh B, Bundock H, Mortensen N, Nicholls RJ, Clark SK, Tekkis PP
  • Tech Coloproctol. 2011 Mar;15(1):53-9. Epub 2011 Feb 2
     “The National Bowel Cancer Audit Project: What do trusts think of the National Bowel Cancer audit and how can it be improved?”
    Cornish JA, Tilney HS, Tan E, Thompson MR, Smith JJ, Tekkis PP
  • Int J Colorectal Dis. 2011 Mar;26(3):275-94. Epub 2011 Jan 29
    “Meta-analysis: sacral nerve stimulation versus conservative therapy in the treatment of faecal incontinence”
    Tan E, Ngo NT, Darzi A, Shenouda M, Tekkis PP
  • Surg Oncol. 2011 Jun;20(2):e72-7. Epub 2010 Nov 10
     “The National Bowel Cancer Audit Project: The impact of organizational structure on outcome in operative bowel cancer within the United Kingdom” 
    Cornish JA, Tekkis PP, Tan E, Tilney HS, Thompson MR, Smith JJ
  • Int J Colorectal Dis. 2010 Oct;25(10):1193-200. Epub 2010 Jul 17
     “Differential expression of p53 and p504s in hyperplastic polyp, sessile serrated adenoma and traditional serrated adenoma”
    Ngo NT, Tan E, Tekkis P, Peston D, Cohen P
  • Lancet Oncology 2009 Nov;10(11):1053-62
    “Extended Lymphadenectomy versus conventional surgery for rectal cancer: a meta-analysis”
    Georgiou P, Tan E, Gouvas N, Antoniou A, Brown, G, Nicholls RJ, Tekkis P 
  • International Journal of Colorectal Disease 2009 Oct;24(10):1119-31
    “Fast Track versus Standard Care in colorectal surgery: a meta-analysis update”
    Gouvas N, Tan E, Windsor A, Xynos E, Tekkis PP
  • IEEE Trans Med Imaging 2009 Jun;28(6):926-36
    “Physical based statistical shaped modelling of the levator ani”
    Lee SL, Tan E, Khullar V, Gedroyc W, Darzi A, Yang GZ
  • Diseases of the Colon & Rectum 2009 May;52(5):906-12
    “Outcomes of Crohn’s Disease presenting with abdomino-pelvic abscess”
    Da Luz Moreira A, Stocchi L, Tan E, Tekkis P, Fazio V
  • Surgical Oncology 2009 Mar;18(1):15-24
    “Diagnostic precision of carcinoembryonic antigen in the detection of recurrence of colorectal cancer”
    Tan E, Gouvas N, Nicholls RJ, Ziprin P, Xynos E, Tekkis P
  • Alimentary Pharmacology and Therapeutics 2008 Oct 1;28(7)854-67
    “Meta-analysis: narrow band imaging for lesion characterization in the colon, oesophagus, duodenal ampulla and lung”
    East J, Tan EK, Bergman JJ, Saunder PP, Tekkis P
  • American Journal of Gastro 2008 Sep;103(9):2394-400
    “The risk of oral contraceptives in the etiology of inflammatory bowel disease”
    Cornish JA, Tan E, Simillis C, Clark SK, Teare J, Tekkis PP
  • International Journal of Colorectal Disease. 2008 Jun;23(6):641-51
    “Diagnostic precision of endoanal MRI in the detection of anal sphincter pathology – a meta-analysis”
    Tan E, Anstee A, Koh DM, Gedroyc W, Tekkis P
  • Colorectal Disease. 2008 Sep;10(7):653-62
    “A cost-effectiveness analysis of delayed sphincteroplasty for anal sphincter injury”
    Tan E, Jacovides M, Khullar V, Teoh TG, Fernando R, Tekkis P
  • Colorectal Disease. 2008 Jul;10(6):577-86
    “Surgical strategies for faecal incontinence - a decision analysis between Dynamic Graciloplasty, Artificial Bowel Sphincter and end stoma”
    Tan E, Vaizey C, Cornish J, Darzi A, Tekkis P
  • European Journal of Cancer. 2007;43:2285-94
    “The UK National Bowel Cancer Audit - epidemiology and surgical risk in the elderly”
    Tan E, Tilney H, Thompson M, Smith J, Tekkis P
  • Neurourology Urodynamics. 2007;26(2):158-69
    “Laparoscopic versus open colposuspension for stress urinary incontinence”
    Tan E, Tekkis P, Cornish J, Teoh T, Darzi A, Khullar V
  • Alimentary Pharmacology and Therapeutics. 2006 Dec;25:47-57
    “Meta-analysis of Alvimopan versus placebo in the treatment of postoperative ileus”
    Tan EK, Cornish J, Darzi AW, Tekkis PP
  • Archives of Surgery. 2007 Dec;142(12):1209-1218
    “Meta-analysis of short term outcomes of randomized controlled trials of Ligasure versus conventional haemorrhoidectomy”
    Tan EK, Cornish J, Darzi AW, Papagrigoriadis S, Tekkis PP
  • Gut. 2007 Jun;56(6):830-7
    “A meta-analysis on the Influence of Inflammatory Bowel Disease on Pregnancy”
    Cornish J, Tan E, Teare J, Teoh TG, Rai R, Clark S, Tekkis P
  • Diseases of the Colon and Rectum. 2007;50:1128-38
    “The effect of restorative proctocolectomy on sexual function, urinary function, fertility, pregnancy and delivery - a systematic review”
    Cornish J, Tan E, Teare J, Teoh T, Rai R, Darzi AW, Paraskevas P, Clark SW, Tekkis P
  • Colorectal Disease. 2004 Jul;6(4):258-60
    “Retrograde Commercial Colonic Hydrotherapy”
    Taffinder NJ, Tan E, Webb IG, McDonald PJ
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