Adjunct A/Prof Charles Tsang Bih-Shiou

General Surgeon
34 years of experience


General Surgery  

Consultation Fee

$160 and above


MBBS (S’pore), M Med (Surgery), MS (Exp Surgery), FRCS (Edinburgh), FRCS (Glasgow), FAMS (Surgery)  

What I do

Adjunct A/Prof Charles Tsang Bih-Shiou provides clinical services such as:
- Colorectal cancer surgery
- Colon polyps / tumours
- Rectal polyps / tumours
- Anal fistulas
See more [ + ]- Anorectal physiology & surgery
- Constipation
- Faecal Incontinence
- Laparoscopic surgery
- Robotic surgery
- Endoscopy
- Endoanal and endorectal ultrasonography

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Pick a clinic location & select time slot to make an appointment

Clinic Locations

Colorectal Clinic Associates
Mt Elizabeth Novena Specialist Centre
38 Irrawaddy Road 
Singapore 329563

Colorectal Clinic Associates
Gleneagles Medical Centre #05-07
6 Napier Road, S 258499

Colorectal Clinic Associates
Mt Alvernia Hospital Block A #02-28
820 Thomson Road, S 574623

Colorectal Clinic Associates
Farrer Park Medical Centre #14-12
1 Farrer Park Station Road
Singapore 217562
Please email to make an appointment!

Professional Statement

Dr Charles Tsang Bi-Shiou was Head, Division of Colorectal Surgery, University Surgical Cluster, National University Health System and Head, Division of Surgical Oncology, National University Cancer Institute when he left for private practice in 2012.

Dr Charles Tsang has vast experience in laparoscopic and robotic surgery for both cancers and benign disorders, proctology, advanced therapeutic endoscopy and functional bowel disorders such as constipation and incontinence.  He is a well known surgical oncologist in the treatment of locally advanced and recurrent colorectal cancer and a world renowned expert in the field of endoanal and endorectal ultrasonography. 

... See more [ + ]Dr Charles Tsang is also a pioneer surgeon in the development and promotion of the LIFT technique for treatment of anal fistulas in Singapore and the region. He was the first surgeon in Singapore and in the region to have performed sacral nerve modulation as well as implanted artificial bowel sphincters for faecal incontinence. 


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Languages Spoken

English, Indonesian, Hokkien, Cantonese, Mandarin


National University of Singapore Faculty of Medicine
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Awards and Publications

Outstanding Resident Scholar Award, 1997
People’s Association Award for Five Years of Dedicated Voluntary Service to the Community, 2003
NUH’s Excellent Service Star Award, 2008
NUH ‘s Gold Award, 2009

Dr Charles Tsang Bih-Shiou has held research grants from A*STAR and EXPLOIT.  He has authored and co-authored numerous papers in peer reviewed journals and has contributed to several book chapters. He is a member of the Editorial Board of the Korean Journal of Coloproctology as well as a reviewer with the Diseases of Colon and Rectum and the British Journal of Surgery.

Dr Charles Tsang is often invited to speak at international meetings for his expertise in the management of complex anal fistula and colorectal cancer.

See more [ + ]  Publications:
1. Selective Sedation For Colonoscopy
C Seow, AFPK Leong, C Tsang
GastrointestEndosc 1994 Nov-Dec;40(6):661-4

2. Rectovaginal Fistulas
C Tsang, D A Rothenberger
SurgClin North Am 1997 Feb;77(1):95-114
3. Recurrent and Extensive Anal Condyloma
C Tsang
Proceedings of the 4th SGH Colorectal Week 1998; 4:35-38 4. Circumferential margin involvement after mesorectal excision of rectal cancer with curative intent - Predictor of survival but not local recurrence?
Hall NR, Finan PJ, al-Jaberi T, Tsang C, Brown SR, Dixon MF, Quirke P
Dis Colon Rectum 1998 Aug;41(8):979-83

5. Anal Sphincter Integrity is a useful determinant of outcome in rectovaginal fistula repair
C Tsang, RD Madoff, WD Wong, DA Rothenberger, CO Finne, D Singer, AC Lowry
Dis Colon Rectum 1998 Sep;41(9):1141-6 6. Prospective, randomized trial comparing pain and complications between diathermy and scissors for closed hemorrhoidectomy.
Ibrahim S, Tsang C, Lee YL, Eu KW, Seow-Choen F
Dis Colon Rectum 1998 Nov;41(11):1418-20 7. Complete Rectal Prolapse- Evolution of Management and Results
D-S Kim, C Tsang, W D Wong, A C Lowry, S M Goldberg, R D Madoff
Dis Colon Rectum 1999 Apr;42(4):460-6 8. Anal sphincter injuries from stapling instruments introduced transanally: randomized, controlled study with endoanal ultrasound amdanorectalmanometry
Ho YH, Tsang C, Tang CL, Nyam D, Eu KW, Seow-Choen F
Dis Colon Rectum 2000 Feb;43 (2) : 169-73 9. Stapled haemorrhoidectomy- cost and effectiveness. Randomised, controlled trial including incontinence scoring, anorectalmanometry, and endoanal ultrasound assessments at up to three months
Ho YH, Cheong WK, Tsang C, Ho J, Eu KW, Tang CL, Seow-Choen F
Dis Colon Rectum 2000 Dec;43 (12) : 1666-75 10. Randomized Trial assessing anal sphincter injuries after stapled haemorrhoidectomy
Ho YH, SeowChoen, Tsang C, Eu KW
Br J Surg 2001 Nov;88(11):1449-55 11. Comparison of J-pouch and coloplasty pouch for low rectal cancers: a randomized, controlled trial investigating functional results and comparative anastomotic leak rates.
Ho YH, Brown S, Heah SM, Tsang C, Seow-Choen F, Eu KW, Tang CL
Ann Surg. 2002 Jul;236(1):49-55 12. Laparoscopic Colectomy : A Cost-Beneficial Alternative to Open Colectomy
April Camilla Roslani, AssimShabbir, Wong Kutt Sing, Charles Tsang Bih-Shiou, Wong Hwee Bee, Cheong Wai Kit
Australia & New Zealand Journal of Surgery (May 2008) 13. Hand-assisted laparoscopic colectomy versus standard laparoscopic colectomy : A cost analysis
April Camilla Roslani, Koh D C, AsimShabbir, Wong Kutt Sing, Charles TsangBih-Shiou, Wong Hwee Bee, Cheong Wai Kit
Colorectal Disease 2009 June, 11(5):496-501. PMID: 18662242 14. Hand-assisted laparoscopic abdomino-perineal resection utilizing the planned end colostomy site
D.C Koh, C.B Tsang, C.W Law, I Kristian, W.K Cheong
Tech Coloproctol, 2010 June, 14(2):201-6. PMID: 20428915 15. Artificial Bowel Sphincter Implantation for Fecal Incontinence in Asian Patients
K. Chittawatanarat, D.C Koh, A.A Seah, W.K Cheong, C.B Tsang
Asian Journal of Surgery, July 2010, 33(3): 134-142 PMID: 21163411 16. Staging of Rectal Cancer - Technique and Interpretation of Evaluating Rectal Adenocarcinoma uT1-4, N Disease: 2D and 3D Evaluation.
Semin Colon Rectal Surg 21:197 – 204
Tan KK, Tsang CB, Dec 2010 17. A New application of the 4-arm Standard da Vinci ® Surgical system: totally robotic assisted left sided colon or rectal resection
D.C Koh, SH Kim, CB Tsang
Surgical Endoscopy June 2011, 25(6):1945-52. PMID: 21136096 18. The anatomy of failures following the ligation of intersphincteric tract (LIFT) technique for anal fistula: A review of 93 patients over 4 years
K.K Tan, I. Tan, D.C Koh, C.B Tsang
Dis Colon Rectum, Nov 2011, 54(11):1368-72 PMID: 21979180 19. To LIFT or to Flap? Which Surgery to Perform Following Seton Insertion for High Anal Fistula?
Tan KK, Alsuwaigh R, Tan AM, Tan IJ, Liu X, Koh DC, Tsang CB.
Dis Colon Rectum. 2012 Dec;55(12):1273-7.
PMID:23135586 20. Identification of the internal anal opening and seton placement improves the outcome of deep post anal space abscess.
Tan KK, Liu X, Tsang CB, Koh DC.
Colorectal Dis. 2012 Oct 26.
PMID: 23107468

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Professional Positions and Memberships

Adjunct Associate Professor, Department of Surgery, National University of Singapore
Visiting Consultant, Department of Colorectal Surgery, Singapore General Hospital
Visiting Consultant, Hospital Raja Permaisuri Bainun, Ipoh, Malaysia
See more [ + ] Visiting Professor 3rd Affiliated Hospital, Traditional Chinese Medicine University, Nanjing
Member, Board of Governors of the Society for Endoscopic & Laparoscopic Surgeons of Asia
Fellow of the American Society of Colon & Rectal Surgeons
Honorary Fellow of The Bangladesh College of Physicians & Surgeons
Member, Society of Colorectal Surgeons Singapore
Member, Gastroenterological Society of Singapore
Member, Singapore Medical Association
Former Head, Division of Colorectal Surgery, University Surgical Cluster, National University Health System
Former Head, Division of Surgical Oncology, National University Cancer Institute, Singapore

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Accredited Hospitals

Gleneagles Hospital
Mount Alvernia Hospital
Mount Elizabeth Hospital
See more [ + ] Mount Elizabeth Novena Hospital
Parkway East Hospital

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Insurances Accepted

Cigna / IXChange
Shenton Insurance
See more [ + ]Fullerton Healthcare
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