J. Grant Thomson, MD, FACS, MSc

Professor of Surgery (Plastic); Director, Yale Hand & Microsurgery Program

Departments & Organizations

Surgery: Plastic & Reconstructive Surgery: Craniofacial Surgery Program; Hand and Microsurgery Program

Center for Musculoskeletal Care

Hand & Upper Extremity Surgery

Yale Cancer Center: Breast Center

Yale Medicine

Office of Cooperative Research


Dr. J. Grant Thomson, a Board-Certified Hand Surgeon and a Board-Certified Plastic Surgeon, is deeply interested in helping children and adults with congenital and acquired hand and upper extremity issues, and individuals whose bodies have been changed by cancer treatment. Dr. Thomson earned his medical degree from McGill University in 1983. He specializes in hand, wrist, and upper extremity surgery.

Dr. Thomson's special interests include endoscopic carpal tunnel release, trigger finger treatment, Dupuytren’s contracture, arthritic hand reconstruction, brachial plexus reconstruction, peripheral nerve surgery, occupational disorders of the upper extremity, and trauma-related pain. His clinical practice also includes reconstructive microsurgery. He uses his expertise to reach across borders to children and adults in developing countries.

Since 1998, Dr. Thomson has been leading groups of professionals on volunteer surgical expeditions, and these teams have affected the lives of over 800 individuals. His research interests include flap physiology, microsurgery, tendon repair, and breast reconstruction.

Patient Care

Please call 203.737.5130 to contact Dr. Thomson.

Education & Training

MSc Mc Gill University, Experimental Surgery (1988)
MD McGill University (1983)
Fellow Washington University/Barnes Hospital, St. Louis, MO
Resident McGill University/Montreal General Hospital, Canada
Resident Montreal General Hospital, Canada
Research Fellow Royal Victoria Hospital, Montreal, Canada
Board Certification AB of Plastic Surgery, Plastic Surgery (1995, recertified: 2015)
Board Certification AB of Plastic Surgery, Hand Surgery (2015)

Honors & Recognition

  • Best Doctors in AmericaCastle Connolly (2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016)

  • Resident Award for Distinguished TeachingYale Plastic Surgery (1999, 2003, 2013)

Professional Service

  • Xiangya Medicine (2016 - Present) Editorial Board

  • American Association of Plastic Surgeons (2014 - 2015) Chair, Research and Education Committee

  • Aesthetic Plastic Surgery (2011 - Present) Editor, Hand and Peripheral Nerve Section

  • American Association of Plastic Surgeons (2011 - 2012) Acting Chair, Research and Education Committee

  • Hand Help, Inc (2006 - Present) President and founder. This organization provides free volunteer hand surgery in developing nations.


  • Hand Surgery Honduras; Nicaragua (1998)

    Since 1998 Dr Thomson has been leading a group of professionals to Honduras to perform hand surgery on children and adults with congenital and acquired hand problems. The team includes plastic and orthopedic surgeons, anesthesiologists, nurses, a pediatrician, and a hand therapist. The team...

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Contact Info

J. Grant Thomson, MD, FACS, MSc
Patient Care Locations
Yale Plastic SurgeryYale Physicians Building
800 Howard Avenue, Ste 4th Floor

New Haven, CT 06519
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Yale Orthopedic Building1445 Boston Post Road
Guilford, CT 06437
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Mailing Address
Plastic & Reconstructive SurgeryPO Box 208041
New Haven, CT 06520-8041

Curriculum Vitae

Work of flexion during triggering

The graph depicts the work of complete finger flexion through excursion of the flexor digitorum profundus tendon from 0 to 30 mm. The 5 lines indicate 5 identical trials of the same condition. The load exerted on the tendon rises sharply until approximately 23 mm, then experiences a sharp dip, then rises again at approximately the same slope as before, indicating that triggering occurred. TNC, tension normalized by circumference.