Associate Professor Dr. Preecha Tiewtranon, MD, is a Thai plastic surgeon practicing in Bangkok, Thailand.

Dr. Preecha Tiewtranon is considered the pioneer of Sex Reassignment Surgery (SRS) having performed the first male-to-female sex reassignment surgery in Thailand at the Chulalongkorn University Hospital (CUH) in Bangkok in 1975 and having invented and developed himself surgical techniques now used worldwide in this type of surgery.

Education and Training

  • Doctor of Medicine, Chulalongkorn University, Bangkok, Thailand, 1966
  • Diploma of the Thai Board of General Surgery
  • Diploma of the Thai Board of Plastic and Reconstructive Surgery
  • Diploma of the American Board of General Surgery
  • Diploma of the American Board of Plastic and Reconstructive Surgery
  • Diploma of the Australian Board of Plastic and Reconstructive Surgery
  • Fellowship in Surgical Oncology, Roswell Park Memorial Institute, Buffalo, NY, USA, 1973-1975

Work Experience

Teaching Experience

  • Associate Professor and Chairman of the Plastic Surgery Unit, King Chulalongkorn Memorial University, Bangkok, Thailand

Area of Specialization

Professional Memberships and Affiliations

  • Fellow, American College of Surgeons (FACS)
  • Fellow of the Royal College of Surgeons, Thailand
  • Former President of the Society of Plastic and Reconstructive Surgeons of Thailand
  • Former President of the Society of Aesthetic Plastic Surgeons of Thailand
  • Member of the International Society of Plastic and Reconstructive Surgeons
  • National Representative of the Oriental Society of Aesthetic Surgeons
  • Member of the HBIGDA, Harry Benjamin International Gender Dysphasia Association

Conferences and Workshops

Conferences

  • “620 cases of Textured Silicone for Augmentation Mammoplasty” Presented at ASEAN Congress of Plastic and Reconstructive Surgery
  • “Penile Inversion Vaginoplasty” Presented at HBIGDA Meeting
    ULM, Germany
  • “112 cases Sigmoid Colon Vaginoplasty” Presented at International Society of Plastic Reconstructive Surgery
    Madrid, Spain 1994
  • “Sensate Pedicled Neoclitoris in 250 Transsexuals” Presented at HBIGDA Meeting
    Houston, USA 2001
  • “3,000 cases of SRS Male to Female” Presented at HBIGDA Meeting
    Ghent, Belgium 2003
  • Speaker Harry Benjamin International Gender Dysphoria Association (HBIGDA) Meeting
    2003, Switzerland
  • Speaker at Oriental Society of Aesthetic Plastic Surgeons (OSAPS) Congress on “Transexual Surgeries”
    Bangkok Thailand 2004
  • Anti-Aging World Conference, Monaco
    March 12-14, 2005.
  • Invited Speaker “Aesthetic Neo Vaginoplasty”, The 5th World Congress of Asian Pacific Academy of Cosmetic Surgery
    Tokyo, Japan – Nov 18-20, 2005
  • “Advance in Plastic Surgery” Speaker
    Beijing De-An Hospital, Beijing, China – June 8-10, 2006
  • Speaker at World Professional Association for Transgender Health (WPATH)
    Chicago, USA, 2007,
  • Speaker at World Professional Association for Transgender Health (WPATH)
    Houston, USA, 2008
  • Invited Speaker “Transgender Surgery”
    March 23-25, 2009 – Denver, Colorado
  • World Professional Association for Transgender Health (WPATH) XXI Biennial Symposium
    Norway – June 17th-20th, 2009.
  • Speaker – 1st International Congress of Minimal Invasive Plastic Surgery
    Seoul, South Korea, 2009
  • “Key Note Speaker” IPRAS 2009. The 15th World Congress of International Confederation for Plastic Reconstructive and Aesthetic Surgery
    December 2009. India.
  • “Key Note Speaker” 30th Hawaii Plastic Surgery Symposium
    Pan Pacific Surgery Association – Jan 28th-30th, 2012

Workshops

  • Live Workshop Blepharoplasty Technical Demonstration, Oriental Plastic Surgery Symposium
  • Live Surgery Workshop, Nakomo Clinic, Tokyo, Japan, 2009
  • Lectures on Face Lifting, Body Contour Surgery, Reduction Mammoplasty

Publications, Awards & Achievements

Publications

  • Spermatogenesis Abnormalities following Hormonal Therapy in Transwomen
    Apr 2018 – BioMed Research International
  • Male-to-female vaginoplasty: Preecha’s surgical technique
    Oct 2014 – Journal of Plastic Surgery and Hand Surgery
  • The Development of Sex Reassignment Surgery in Thailand: A Social Perspective
    Mar 2014 – The Scientific World Journal
  • Sex reassignment surgery in Thailand
    Dec 2004 – Journal of the Medical Association of Thailand
  • Sex Reassignment Surgery: Experience at King Chulalongkorn Memorial Hospital
  • Combined Free Flaps for Major Head and Neck Reconstruction

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Additional Details

  • Languages:Thai and English