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Dr Narayan Karunanithy

Dr Narayan Karunanithy


Consultant interventional radiologist

Dr Narayan Karunanithy qualified in 1999 with honours from Guy’s, King’s and St Thomas’ Medical School. After completing basic surgical and radiology training, he undertook fellowship training in interventional radiology at Imperial College London and musculoskeletal radiology at the Royal National Orthopaedic Hospital, Stanmore.

Narayan was appointed consultant interventional radiologist and honorary senior lecturer at Guy’s and St Thomas’ NHS Foundation Trust in 2010. He took over as clinical lead for interventional radiology in 2016.


  • Embolisation – venous, vascular masses and aneurysms
  • Sclerotherapy and embolization of vascular malformations – adults and children
  • Renal transplant and haemodialysis access intervention
  • Renovascular intervention – adults and children
  • Urology intervention
  • MR and CT angiography


  • 1999: Guy’s, King’s and St Thomas’ Medical School

Membership of professional bodies

  • Royal College of Radiologists
  • Cardiovascular Interventional Society Europe
  • British Society of Interventional Radiologists
  • European Society of Radiology