Dr. Yeo Shen Ann Eugene

Colorectal Surgery/ General Surgery

Credentials MBBS (Singapore), MRCS (Edinburgh), MMed (Surgery), FRCS (Edinburgh), FAMS (Singapore)
Language English, Mandarin Chinese

Dr Eugene Yeo is a General and Colorectal Surgeon who has a special interest in Robotic and Laparoscopic surgery for colorectal cancer. He obtained his medical degree as well as completed his basic and advanced surgical training in Singapore, and previously worked at Singapore General Hospital (SGH) as a Consultant Surgeon in the Department of Colorectal Surgery. He spent 1 year on a fellowship to Yonsei Severence Hospital in Seoul, South Korea – the world’s highest volume robotic surgery centre with an experience of more than 30,000 robotic cases. Dr Yeo is one of Singapore’s highest volume robotic colorectal surgeons, and is one of the few local surgeons recognized and listed on the Da Vinci® (Robotic surgery) surgeon locator website.

Associated Treatments
  • Minimally invasive surgery (Laparoscopic and Transanal) for Colon and Rectal Cancer
  • Gastroscopy and Colonoscopy
  • Treatment for Haemorrhoids
  • Treatment for Anal fistula and fissures
  • Treatment for Appendicitis
  • Treatment for Gallstones
  • Treatment for Inguinal, Ventral and other Hernias
  • Treatment for abscesses / infections
  • Removal of skin lumps & bumps
Special Treatments
  • Robotic Surgery for Colorectal Cancer
  • Robotic Surgery for Hernia Repair
  1. Charles Bonnet syndrome in Asian patients in a tertiary ophthalmic centre.
    Tan CS, Lim VS, Ho DY, Yeo E, Ng BY, Au Eong KG
    Br J Ophthalmol.2004;88:1325-9
  2. Systemic review and meta-analysis of the diagnostic and therapeutic role of water soluble contrast agent in small bowel obstruction.
    Yeo SA, Chew MH, Eu KW
    Br J Surg. 2010 Apr;97(4):470-8
  3. Critical analysis of mucin and signet ring cell as prognostic factors in an Asian population of 2,764 sporadic colorectal cancers.
    Chew MH, Yeo ES, Ng ZP, Lim KH, Koh PK, Ng KH, Eu KW
    Int  J Colorectal Dis. 2010 Oct;25(10):1221-9. Epub 2010 Aug 5
  4. Management of Fournier’s Gangrene with VAC dressing.
    Yeo SA, Kam MH, Eu KW
    Ann Acad Med Singapore Oct 2010:806-7
  5. Perforated Colorectal Cancer: An Important Differential Diagnosis in All Presumed Diverticular Abscesses.
    Yeo SA, Ng KH, Eu KW
    Ann Acad Medicine Singapore Aug 2011:1-4
  6. Prognostic variables in 1814 sporadic colon cancers: a review of experience from a single institution from 1999-2005.
    Chew MH, Yeo SA, Tang CL
    SGH Proceedings 2011;20(1):3-9
  7. Toxic Haemorrhagic Colitis: A rare presentation of Eosinophilic colitis.
    Yeo SA, Lim YK, Lim KH, Tang CL
    Case Rep Gastrointest Med 2012;2012:279813. Epub 2012 Sep 10
  8. Young Colorectal Carcinoma patients do not have a poorer prognosis: A comparative review of 2,426 cases
    Yeo SA, Chew MH, Koh PK, Tang CL
    Tech Coloproctol. 2013 17(6):653-61. doi: 10.1007/s10151-013-0977-z. Epub 2013 Mar 5.
  9. Impact of Anastomotic Leakage on long term oncologic outcome and its related factors in rectal cancer
    Noh GT, Yeo SA, Cheong C, Han JH, Cho MS, Hur H, Min BS, Lee KY, Kim NK
    Medicine (Baltimore). 2016 Jul;95(30):e4367. Doi:10.1097/MD.0000000000004367
  10. The number of retrieved lymph nodes needed for accurate staging differs based on the presence of preoperative chemoradiation for rectal cancer.
    Han JH, Noh GT, Yeo SA, Cheong C, Cho MS, Hur H, Min BS, Lee KY, Kim NK
    Medicine (Baltimore). 2016 Sep;95(38):e4891. Doi:10.1097/MD.0000000000004891
  11. Universal Suprapubic Port Placement Configuration for Robotic Complete Mesocolic Excision and Central Vascular Ligation using the da Vinci Xi system: From Cadaveric Models to Clinical Cases
    Yeo SA, Noh GT, Han JH, Cheong C, Stein H, Kerdok A, Min BS.
    J Robot Surg. 2017 Feb 1. doi: 10.1007/s11701-016-0664-y
  12. Laparoscopic Left Compete Mesocolic Excision for Stented Descending Colon Cancer
    Yeo SA, Chang MH
    Epublication WebSurg.com, Jun 2017;17(06). URL: http://websurg.com/doi/vd01en4961
  13. Laparoscopic Right Hemicolectomy with Complete Mesocolic Excision for Advanced Ascending Colon Cancer.
    Ng JL, Yeo SA
    Epublication WebSurg.com, Nov 2017;17(11). URL: http://websurg.com/doi/vd01en5079
  14. Laparoscopic Complete Mesocolic Excision Right Hemicolectomy with Intracorporeal Anastomosis
    Yeo SA
    Epublication WebSurg.com, Feb 2018;18(02). URL: http://websurg.com/doi/vd01en5198
  15. Robotic Abdominoperineal Resection (APR) with intraperitoneal puborectalis incision
    Yeo SA
    Epublication WebSurg.com, Jun 2018;18(06). URL: http://websurg.com/doi/vd01en5263 
  16. Robotic Triple docking Ultralow Anterior Resection with intersphincteric resection and coloanal anastomosis
    Yeo SA
    Epublication WebSurg.com, Sep 2018;18(09). URL: http://websurg.com/doi/vd01en5383
  17. Initial experience of laparoscopic right hemicolectomy with complete mesocolic excision in Singapore: a case series
    Ho ML, Chong C, Yeo SA, Ng CY
    Singapore Med J. 2019 Jan 15. Doi: 10.11622/smedj.2019008
  18. Colonic stenting for malignant large bowel obstruction is safe and effective: a single surgeon experience
    Tang MH, Ross T, Yeo SA, Ng CY
    Singapore Med J. 2019 Jan 15 doi: 10.11622/smedj.2019010
  19. PRL3-zumab as an immunotherapy to inhibit tumors expressing PRL3 oncoprotein.
    Thura M, Al-Aidaroos AQ, Gupta A, Chee CE, Lee SC, Hui KM, Li J, Guan YK, Yong WP, So J, Chng WJ, Ng CH, Zhou J, Wang LZ, Yuen JSP, Ho HSS, Yi SM, Chiong E, Choo SP, Ngeow J, Ng MCH, Chua C, Yeo ESA, Tan IBH, Sng JXE, Tan NYZ, Thiery JP, Goh BC, Zeng Q
    Nat Commun. 2019 Jun 6;10(1):2484. Doi:10.1038/s41467-019-10127-x.
  20. Laparoscopic extended right hemicolectomy with intracorporeal anastomosis
    Yeo SA
    Epublication WebSurg.com, Jun 2020;20(06). URL: http://websurg.com/doi/vd01en5974
  21. Laparoscopic splenic flexure mobilization: a standardized technique
    Yeo SA
    Epublication WebSurg.com, Jul 2020;20(07). URL: http://websurg.com/doi/vd01en5988 
  22. Tuberculosis, still the great mimicker: a rare case of disseminated tuberculosis masquerading as appeniceal cancer with peritoneal carcinomatosis
    Ng YY, Palanisamy P, Tay AZ, Yeo SA
    AZ J Surg. 2021 Mar 31. Doi: 10.1111/ans.16840
  23. Case to highlight a rare differential diagnosis of necrotizing fasciitis in the presence of a stoma: peristomal pyoderma gangrenosum
    Chong C, Palanisamy P, Yeo SA
    BMJ Case Rep. 2021 May 7;14(5):e237534. Doi: 10.1136/bcr-2020-237534

Book Chapters

  1. Singapore General Hospital Acute Surgical Handbook: Constipation (Ch 2.12 pg 76-9)
  2. Singapore General Hospital Acute Surgical Handbook: Diarrhoea (Ch 2.14 pg 82-4)

Current Appointments:

  1. Senior Consultant Surgeon, E Yeo Colorectal and Minimally Invasive Surgery, TEN Surgery Group
  2. Visiting Consultant Surgeon, Department of General Surgery, Singapore General Hospital
  3. Visiting Consultant Surgeon, Department of Surgery, Changi General Hospital
  4. Clinical Assistant Professor, Duke-NUS Medical School, Singapore
  5. Clinical Senior Lecturer, Yong Loo Lin School of Medicine, National University of Singapore
  6. Content Expert, Clinical Teacher and Clinical Practice Facilitator, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
  7. Founding and Board Member, Robotic Surgical Society of Singapore
  8. Member, Society of Colorectal Surgeons Singapore
  9. Fellowship of the Academy of Medicine (Surgery)
  10. Editorial Board Member, Korean Association of Robotic Surgeons (KAROS)
  11. Editorial Board Member, World Journal of Gastroenterology
  12. Editorial Board Member, Surgery Clinics Journal

Previous Appointments:

  1. Director, Endoscopy Platform Simulation, Surgical Skills and Simulation Committee, Singapore General Hospital
  2. Director, Simulation Course for Endoscopy, Singapore General Hospital
  3. Clinical lead, Value Driven Outcome committee for Colonoscopy, Singapore General Hospital
  4. Member, Robotic Minimally Invasive Surgery Committee, Singapore General Hospital
  5. Undergraduate Education Representative, Department of Colorectal Surgery, Singapore General Hospital
  6. Medisave Audit Committee respresentative for Department of Colorectal Surgery
  7. Physician Faculty, SingHealth General Surgery Residency Program
  8. Executive Committee, Society of Colorectal Surgeons Singapore
  • Society of Colorectal Surgeons of Singapore (SCRS) – Member, previous Ex-Co
  • Robotic Surgical Society of Singapore – Founding Member
Awards and Honours

Service Awards

  1. SingHealth Best Medical Officer Award 2010
  2. SingHealth Best Registrar Award 2013
  3. SingHealth Best Registrar Award 2014
  4. Healthcare Manpower Development Plan (HMDP) Award to Yonsei Severence Hospital, Seoul, South Korea 2014
  5. 10 Years long service award, SingHealth 2015
  6. Service with a Heart Award, SingHealth 2017
  7. Service with a Heart Award, SingHealth 2021

Research Awards

  1. 1st prize for Oral presentation: Critical analysis of mucin and signet ring cell as a prognostic factors in an Asian population and a comparison with the literature. (GIHEP 2010)
  2. 3rd prize for Oral(Clinical) presentation: Mucin and signet ring cell colorectal cancers. (SingHealth Annual Surgical Meeting 2011  (Open category)
  3. 1st Prize for Video Presentation: Laparoscopic TK catheter insertion (Asian Surgical Congress 2013)
  4. Outstanding Video Award: Proctorship in High Anterior Resection (I-MISC congress Hong Kong 2015)
  5. Best Motion Picture Award: Low Anterior Resection with Splenic Flexure Mobilisation: a comparison of the da Vinci Si and Xi Robotic Systems (ACRS Hong Kong 2015)
  6. Champion of Console King competition: Symposium of Korean Association of Robotic Surgeons (KAROS), Yonsei, Seoul (2016)
  7. 3rd prize for Video Presentation: Laparoscopic CME Right Hemicolectomy for Advanced ascending colon cancer (ESCP Berlin 2017)
  8. Hall of Fame (best video) Award: Laparoscopic Right Hemicolectomy with Complete Mesocolic Excision for Advanced Colon Cancer (Websurg 2018)
Fellowships and Accreditations
  • Robotic & Laparoscopic Surgery Fellowship in Yonsei, Severence Hospital (Seoul)
  • Robotic Surgery