Colonoscopy after Acute Diverticulitis – Is it Necessary?
Diagnostic Laparoscopy in borderline cases of suspected acute appendicitis: is it the next best option
Predictors of Successful Non-operative Management of Adhesive Small Bowel Obstruction 
Implementation of Day Case Laparoscopic Cholecystectomy 
(ANZELA-QI) Australia New Zealand Emergency Laparotomy Audit – Quality Improvement
Implementation of Day-case Groin Hernia Repair
The role of quantitative radiological measures of visceral adiposity in diverticulitis
Outcomes of surgery in COVID-19 infection: international cohort study
Use of radiological measures of visceral adiposity as an adjunct for assessment of risk of colorectal adenoma.

Dr Mary Theophilus, Head of Department, General Surgery
Dr Zi Qin Ng, Registrar - General Surgery 
Dr Ruwan Wijesuriya, Consultant General Surgery
Dr Sze Ling Wong, Consultant General Surgery



Apikotoa, S. & Wijesuriya, R. (2021) Idiopathic acute chylous peritonitis during pregnancy, mimicking perforated acute appendicitis: A case report. International Journal of Surgery Case Reports; Volume 81, April 2021, 105790.

Chai, D., & Wijesuriya, R. (2016) Deciduosis of the appendix: diagnostic dilemma continues despite MRI evidence.Annals Royal College Surgeons England 98(8):e200-e202. Epub 2016 Aug 23.

Hew, N., Ng, Z. Q., & Wijesuriya, R. (2021). Non-operative management of small bowel obstruction in virgin abdomen: a systematic review. Surgery today, 10.1007/s00595-020-02210-4. Advance online publication.

Koek, S. A., & Hammond, J. (2018). Gastric outlet obstruction secondary to orbera intragastric balloon. Journal of surgical case reports, 2018(10), rjy284.

Ng ZQ, Jung JK, Theophilus M. (2021). Artificial Intelligence in Pre-operative Assessment of Patients in Colorectal Surgery. Turkish Journal of Colorectal Disease [Internet]. Galenos Yayinevi; 2021 May 24;32. 

Ng, Z.Q., Pradhan, S., Moe, K.S., Thirunavukkarasu, P. (2019) Anti-coagulant-induced spontaneous breast hemorrhage. The Breast Journal.  25(4):749-749.

Ng, Z.Q., Moe, K.S., Wijesuriya, R.  (2019) Routine Colonoscopy After Acute Diverticulitis: is it Warranted? Surgical Laparoscopy, Endoscopy & Percutaneous

Ng, Z.Q., Theophilus, M., Navadgi, S., Menon, T., Wijesuriya, R.  (2019) Jejunal Diverticulitis, A Single-Center Experience and Proposed Management Algorithm.  Surgical Infections.  20(6): 499-503.

Ng, Z.Q., Pradhan, S., Wijesuriya, R. (2019) Dilemma of the giant abdominal cyst. BMJ Case Reports. 12:bcr-2018-227255.

Ng, Z.Q., Pradhan, S., Cheah, K, & Wijesuriya, R. (2018) Haemorrhagic cholecystitis: a rare entity not to be forgotten. (2018) BMJ Case Reports September 21: pii: bcr-2018-226469.

Ng Z.Q., Wijesuriya R, Misur P, Tan JH, Moe KS, Theophilus M.  (2020)  The role of quantitative radiological measures of visceral adiposity in diverticulitis.  Surgical Endoscopy. 2020 Feb 18.

Ng Z.Q., Wijesuriya R, Misur P, Tan JH, Moe KS, Theophilus M.  (2020)  Opportunistic use of radiological measures of visceral adiposity for assessment of risk of colorectal adenoma.  ANZ Journal of Surgery. 2020 Jun 5.

Ng Z.Q., Elsabagh A, Wijesuriya R.  (2020)  Post-colonoscopy Appendicitis: Systematic Review of Current Evidence. Journal of Gastroenterology & Hepatology. 2020 Jun 5.

Ng Z.Q., Seow YT, Wijesuriya R, Wong SL.  (2020)  How To Do It: Tips and Tricks in Laparoscopic Appendicectomy for the Junior Trainee.  SN Comprehensive Clinical Medicine, (), 1-3. 

Ng Z.Q., Tan J.H., Tan H.C.L. & Theophilus M. (2021) Post-colonoscopy diverticulitis: A systematic review. World J Gastrointest Endosc; 13(3): 82-89.

Pathmarajah, T., Idrees, M., Nasim, S., & Weber, D. G. (2018). Serial lipase for pancreatitis: not enough evidence. ANZ journal of surgery, 88(6), E491–E497.

Poh, W.S., & Wijesuriya, R. (2021). Case report - Bouveret’s syndrome with pancreatitis: A rare combination. International Journal of Surgery Case Reports; Volume 81, April 2021, 105713.

Seow YT, Ng ZQ, Wong SL.  (2019)  Anticoagulation-induced unilateral adrenal haemorrhage and pseudoaneurysm.  BMJ Case Reports. 2019 Dec 9;12(12):e232539.

Tan, J., Ng, Z., Tan, H., & Vendargon, S. (2018) Pyopericardium presenting with echocardiographic features of pericardial tamponade in an elderly man. BMJ Case Reports June 27 pii: bcr-2018-224741. doi: 10.1136/bcr-2018-224741

Tan, J., Ng, Z., Vendargon, S. (2018) Persistent left superior vena cava and absence of innominate vein during coronary artery bypass surgery. BMJ Case Reports. Apr 17; pii: bcr-2018-225271. doi: 10.1136/bcr-2018-225271