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



McGarry, J., Ng, ZQ., Ryan, F., Theophilus, M. (2023) Utility of CT colonography and/or PET-CT preoperatively in obstructing left-sided colorectal cancers – a systematic review. ANZ Journal of Surgery. 

Ng, Z.Q., Tan, P. & Theophilus, M. (2023) Colorectal Surgery in Patients with Liver Cirrhosis: A Systematic Review. World J Surg (2023).

Ng ZQ., Theophilus M. (2023) A survey on the practice of enhanced recovery after elective colorectal surgery in Western Australia. World J Colorectal Surg 2021; 10:35-45

Tan, R., Ng, Z.Q., Misur, P., Wijesuriya, R. (2023) Relationship of computed tomography quantified visceral adiposity with the severity and complications of acute pancreatitis: A systematic review.  Jpn J Radiol (2023).

Chidambaram, R., Apikotoa, S., Hicks, R., et al. (2022) Readmission Within the First Day of Discharge Is Painful: Experience From an Australian General Surgical Service. Cureus 14(12): e32209.

Nyandoro, MG., Seow, YT., Stein. J., Theophilus. M. (2022) Royal Australasian College of Surgeons. Single- centre experience of loop ileostomy closure: a retrospective comparison of conventional-linear closure and purse-string closure on surgical-site-infection rates.  General and Colorectal Surgery, St John of God Midland Hospital, Midland, Western Australia, Australia.

Shepherd, .T., Trinder, .M., Theophilus, .M. (2022) Does Virtual Reality in the perioperative setting for patient education improve understanding? A scoping review. 

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.

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.

Lawrence, B. J., Kerr, D., Pollard, C. M., Theophilus, M., Alexander, E., Haywood, D., O'Connor, M. (2021) Obesity, A Research Journal. Weight bias among health care professionals: A systematic review and meta- analysis. 

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; 2021May 24;32. 

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.

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. 

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, Zi Qin MBBS (Hons); Wijesuriya, Ruwan FRACS; Misur, Philip FRANZCR; Huei Tan, Jih MRCS; Soe Moe, Kyaw MBBS; Theophilus, Mary FRACS. (2020) Use of Radiological Measures of Visceral Adiposity as an Adjunct for Assessment of Risk of Colorectal Adenoma. Journal of the American College of Surgeons 231(4):p e112-e113, October 2020. 

Ng, Z.Q., Moe, K.S., Wijesuriya, R. (2019) Routine Colonoscopy After Acute Diverticulitis: is it Warranted? Surgical Laparoscopy, Endoscopy & Percutaneous Techniques. 10.1097/SLE.0000000000000680

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

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.

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

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

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.

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.

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.