Dr. Art Hiranyakas, M.D.

Dr. Art
Dr. Art Hiranyakas, M.D.
Assistant Professor

Speciality: Colorectal Surgery


  • Laparoscopic Colorectal Surgery (Minimally Invasive Colorectal Surgery, Robotic Colorectal Surgery)
  • Endoscopy (Colonoscopy)
  • Anorectal Physiology Laboratory

Language: English (Excellent)

Spoken: Thai

Dr. Hiranyakas is an experienced academic Colorectal Surgeon. He was appointed as an Instructor of Surgery at Prince of Songkla University (PSU), Songkhla, Thailand right after his completion of General Surgery Board Examination in 2002. Dr. Hiranyakas was involved in both the undergraduate and postgraduate medical education and served as Assistant Professor of Surgery at Prince of Songkla University in 2007. He also held an academic appointment at School of Medicine and Dentistry, James Cook University (JCU), Queensland, Australia in 2009.

He completed his advanced surgical training in National University Hospital, Singapore in 2004. He continued his Advanced Laparoscopic Colorectal Surgery (2007) from Queensland, Australia, Robotic (da Vinci robotic surgical system) Colorectal Surgery (2011) from Seoul, Korea, and Advanced Training in Colorectal Surgery (2009-2011) from Cleveland Clinic Florida, USA. His advanced training in Colorectal Endoscopy (2005), Showa, Japan also provides him with special skills in both diagnostic and therapeutic colonoscopy. His unique overseas training experiences of over 900 colorectal surgery cases have provided a broad range of colorectal procedures for cancer, inflammatory bowel disease, benign colorectal conditions, sphincter-saving operations, re-operative abdominopelvic surgery and functional colorectal conditions eg. constipation, and incontinence. He is also trained in functional anorectal work and is competent in endoanal and endorectal ultrasonography.

Dr. Hiranyakas has authored numerous publications and book chapters under Prince of Songkla University, James Cook University and Cleveland Clinic Florida. His key publications involve colorectal cancer. Dr. Hiranyakas is also a current member of American Society of Colon and Rectum Surgeons, Society of American Gastrointestinal and Endoscopic Surgeons (SAGES), and International College of Surgeons (ICS). He currently works as a full-time colorectal surgeon at Bangkok Hospital Phuket, serving local and international patients with professional skills and excellent service.

Publications & Presentations

  • Over 10 national and international publications
  • Over 15 international podium and poster presentations

Book Chapters

  • Hiranyakas A, Maipang T. Endorectal Ultrasonography, Textbook of Cancer of Colon, Rectum and Anus, 2011, ISBN 9786162070723 Editor; Thavichaigan P.
  • Hiranyakas A, Wexner SD. Current of Laparoscopy for Rectal Carcinoma. Editor; Moreno Gonzalez
  • Hiranyakas A, Wexner SD. Method of Reconstruction after Restorative Proctectomy. Editor; Moreno Gonzalez

Education & Fellowships:


  • Advanced in Colorectal Surgery Cleveland Clinic Florida, Weston, USA.
  • Advanced laparoscopic Colorectal Surgery Mater Hospital, Queensland, Australia.
  • Robotic Colorectal Surgery Korea University, Seoul, South Korea.
  • Clinical Fellowship in Colorectal Surgery National University Hospital, Singapore.


  • Surgery
    Prince of Songkla University, Thailand.


  • Prince of Songkla University, Thailand.

Medical School

  • Prince of Songkla University, Thailand.


  • American Society of Colon and Rectum Surgeons
  • Society of American Gastrointestinal and Endoscopic Surgeons (SAGES)
  • International College of Surgeons (ICS)
  • Royal College of Surgeon of Thailand (RCST)
  • Thai Medical Council


Abdominal operation

  • Abdominal Perineal Resection
  • Fecal Diversion
  • Laparoscopic Hernia Surgery
  • Laparoscopic Ileocolectomy
  • Laparoscopic Proctosigmoidectomy
  • Laparoscopic Rectopexy
  • Rectoplexy
  • Re-Do Rectal Surgery
  • Sphincter-saving Operation

Anorectal procedures

  • Hemorrhoidectomy
  • Stapled Hemorrhoidectomy


  • Colonoscopy
  • Flexible Sigmoidoscopy
  • Advanced Polypectomy

Other procedures

  • Surgery for Pilonidal Cyst



  • Anal Cancer
  • Colon Cancer
  • Rectal Cancer

Benign conditions

  • Anal Fissures
  • Anal Fistula
  • Fecal Incontinence
  • Constipation
  • Inflammatory Bowel Disease (IBD)
  • Crohn’s Disease
  • Ulcerative Colitis
  • Diverticulosis
  • Rectal Prolapse