Professor Stephen Riordan

Gastroenterology and the Liver

MBBS (Hons), MD (UNSW), FRACP, FRCP (London)


Professor Riordan has procedural privileges at dedicated Endoscopy Units located at both the Prince of Wales Hospital and the Prince of Wales Private Hospital in Sydney, Australia.

Diagnostic and therapeutic endoscopic and other procedures available through Professor Riordan’s practice include:


  • - diagnostic
  • - therapeutic
  • - bacteriological analysis for small intestinal bacterial overgrowth
  • - culture of Helicobacter pylori for determination of antibiotic sensitivities

Percutaneous endoscopic gastrostomy (PEG) tube insertion


  • - diagnostic
  • - therapeutic

Capsule endoscopy

Diagnostic paracentesis

Therapeutic paracentesis

Liver biopsy


Indocyanine green clearance testing

Transjugular intrahepatic porto-systemic shunt

Transcatheter arterial chemoembolisation of liver tumours

Radiofrequency ablation of liver tumours

Intra-lesional injection therapy of liver tumours

Measurement of hepatic venous pressure gradient

Gastrointestinal and liver imaging (including ultrasound, computerised tomography, magnetic resonance, angiography)

Interventional radiology