• Surgical treatment of hemorrhoids
    We participate in the randomized controlled study of stapled hemorrhoidectomy vs closed hemorrhoidectomy.
  • Colorectal polyps
    Techniques of removing large polyps of rectum, in particular, a perineal proctectomy.
  • Early carcimoma of rectum
    The risk of lymph node metastasis and the optimal treatment.
  • Pilonidal sinuses
    The best surgical treatment to avoid recurrences.
  • Colonoscopy
    Techniques that cause minimal pain.

Recent Publications

See my publications

Professional Details

Joint Appointment

  1. Colon and Rectal Surgery

Academic Rank

  1. Professor of Surgery


  1. Fellowship Division of Colon and Rectal Surgery, University of Minnesota
  2. Residency United Hospitals
  3. Residency Harper Hospital
  4. Internship Wayne County General Hospital
  5. Internship Chulalongkorn Medical School

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