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Dr David Williams

Dr David Williams, Gastroenterologist, Sydney | Consulting at the Diagnostic Endoscopy Centre, Darlinghurst


Senior specialist physician and Head of Department of Gastroenterology and Hepatology, St Vincent’s Hospital


M.B., B.S. (First Class Honours), FRACP


GESA Colonoscopy Recertification in Adult Colonoscopy

Special Interests

  • Interventional endoscopy and endoscopic ultrasound
  • Management of gastrointestinal and pancreas malignancy
  • Quality measures in endoscopy

Awards and Grants

  • Cancer Institute NSW Project Grant 2018: Development of direct access and fast track colonoscopy service at St Vincent’s Hospital
  • Cancer Institute NSW Program Grant 2011: Screening for pancreas cancer in high risk groups
  • St Vincent’s Clinic Foundation Di Boyd Cancer Research Grant 2010: Multidisciplinary Pancreatic Cancer Screening Program for High Risk Groups
  • Mary Aikenhead Awards 2009 St Vincent’s Hospital
Dr David Williams

Educational Presentations

Polyps – Screening, Surveillance and Endoscopic Treatment
Education Presentation by Dr David Williams at St Vincent’s Clinic GP Meeting – October 2014

Polyp Retrieval


  • PanCO: An Open-Label, Single-Arm Pilot Study of Oncosil™ in Patients with Unresectable Locally Advanced Pancreatic Adenocarcinoma in Combination with FOLFIRINOX or Gemcitabine+Nab-Paclitaxel Chemotherapies D Croagh, D Williams, V Kwan, N Nguyen, N Phillips, E Godfrey, T Maher, A Kraszewski, P Ross EASL 2018
  • Bowel Cancer Screening – You Really Should Do It. St Vincent’s Connect Newsletter, April 2013
  • Review of screening for pancreatic cancer in high risk individuals. Stoita A, Penman I and Williams DB. World Congress of Gastroenterology Journal 2011
  • Solid pseudopapillary tumours – EUS can make the diagnosis. Stoita A and Williams D. ANZ Journal of Surgery 2010
  • Mediastinal adenopathy: finding the answer with endoscopic ultrasound guided fine needle aspiration biopsy. Walsh P and Williams D.B. Internal Medicine Journal 2005;35:392-8
  • Endoscopic ultrasound – a new way of looking at the gastrointestinal tract. Williams D. St Vincent’s Clinic Proceedings 2003;11:13-18
  • Fatal portal hypertension, liver failure, and mitochondrial dysfunction after HIV-1 nucleoside analogue-induced hepatitis and lactic acidaemia. Carr A, Morey A, Mallon P, Williams D, Thorburn DR. Lancet 2001 May 5;357(9266):1412-4
  • Endoscopic ultrasound to detect evidence of pancreatic disease in patients with persistent or non-specific dyspepsia. Sahai AV, Mishra G, Penman ID, Williams DB, et al. Gastrointestinal Endoscopy 200;52:153-159
  • Ability of EUS with fine-needle aspiration to document nodal staging and response to neoadjuvant chemoradiotherapy in locally advanced esophageal cancer: a case report. Penman ID, Williams DB, Sahai AV, Hoffman BJ, Hawes RH. Gastrointest Endosc 1999 Jun;49(6):782-6
  • Endoscopic ultrasonography with fine-needle aspiration: an accurate and simple diagnostic modality for sarcoidosis. Mishra G, Sahai AV, Penman ID, Williams DB, et al. Endoscopy 1999 Jun;31(5):377-82
  • Endoscopic ultrasonography (EUS): Current applications and future potential. Penman ID & Williams DB. Proceedings of the Royal College of Physicians, Edinburgh 1999
  • Endoscopic ultrasound-guided fine needle aspiration biopsy: a large single centre experience. Williams DB, Sahai AV, Aabakken L, et al. Gut 1999;44:720-726
  • Transjugular intrahepatic portosystemic shunt for the treatment of refractory ascites. Williams D, Waugh R and Selby W. Australian and New Zealand Journal of Medicine 1998;28:620-626
  • Mortality and rebleeding following transjugular intrahepatic portosystemic stent shunt for variceal haemorrhage. Williams D, Waugh R, Gallagher N, et al. Journal Of Gastroenterology and Hepatology 1998;13:163-169

Book Chapters

  • Pancreas cystic lesions. D Williams and I Penman. Handbook of Clinical Pancreatology 2019
  • Gastrointestinal, hepatic, gallbladder, pancreatic, and perianal complications. McCrudden R, Williams DB, O’Connor T and Vickers CR. In: Atkinson K (ed). Clinical Bone Marrow and Blood Stem Cell Transplantation, A Reference Textbook. (3rd Edition). Cambridge University Press, 2004
  • Complications of interventional endoscopic ultrasound. Williams DB and Hoffman BJ. In: Bhutani M (ed). Interventional Endoscopic Ultrasonography. Harwood Academic Publishers, 1999