Benny T. Dahl, MD


  • Texas Medical Center
  • Specialty Care



Orthopedic Surgery

Phone: 832-822-3100 (Main) | 713-839-0164 (Bellaire)

Contact Information

Texas Children's Hospital - Main Campus
6701 Fannin Street, 8th Floor
Houston, TX 77030
United States

Texas Children's Specialty Care - Bellaire
6330 West Loop South
Bellaire, TX 77401
United States

Director of Spine Program, Texas Children's Hospital
Professor of Orthopaedic and Scoliosis Surgery, Baylor College of Medicine


School Education Degree Year
Department of Orthopedic Surgery – Rigshospitalet fellowship Clinical Fellowship - Spine Surgery 2002
Rigshospitalet residency Orthopedic Surgery 1997
University of Copenhagen medical school Doctor of Medicine 1987


Benny Dahl is an orthopaedic surgeon who has 20 years’ experience in spine surgery. In 2007 he was appointed the first full clinical professor in spine surgery at the University of Copenhagen and since 2010 he has contributed to the establishment of the first combined spine unit in Denmark with both orthopaedic surgeons and neurosurgeons serving half of Denmark with highly specialized spine surgery. Benny Dahl is an active member of the Scoliosis Research Society (SRS) and was local host of the IMAST meeting in 2011 in Copenhagen. He has served as a member of the program committee at IMAST2012 and 2013 as well as the program committee at SRS from 2014 through 2016. 

He holds a Ph.D. in basic science and a doctoral thesis on inflammatory response after severe trauma and spine surgery. His current scientific activity is concentrated on various aspects of spinal deformity and spinal oncology as well as basic science. His clinical focus is directed towards pediatric and spinal deformity surgery. 

Since March 2017 Benny Dahl has worked as a spine surgeon at Texas Children’s Hospital in Houston, Texas and as Professor of Orthopaedic and Scoliosis Surgery at Baylor College of Medicine. 

Benny Dahl has won the SRS Hibbs Award for Clinical Science and the Whitecloud Award for Best Clinical paper several times, as well as the Outstanding Paper Award in The Spine Journal. He has published more than 70 scientific article, and has been co-author on almost 200 scientific abstracts. Also, Benny Dahl has been invited lecturer in England, Japan, China and Indonesia and he has supervised more than ten PhD-studies. 


Organization Name Role
Danish Orthopaedic Society Secretary 2007-10
Danish Society of Spine Surgery Secretary 2004-06
Scoliosis Research Society Program Committee Annual Meeting 2013-16
Scoliosis Research Society Program Committee IMAST2011-13
Scoliosis Research Society Chair Worldwide Course Committee 2016-19

Selected Publications

Ohrt-Nissen S, Hallager DW, Karbo T, Gehrchen M, Dahl B. Radiographic and functional outcome in adolescent idiopathic scoliosis operated with hook/hybrid vs. all-pedicle screw instrumentation – a retrospective study on 149 patients. Spine Deformity accepted for publication. May 9th, 2017.

Søren Ohrt-Nissen, Jason Pui Yin Cheung, Dennis Winge Hallager, Martin Gehrchen, Kenny Kwan, Benny Dahl, Kenneth MC Cheung, Dino Samartis. Reproducibility of Thoracic Kyphosis Measurements in Patients with Adolescent Idiopathic Scoliosis. Scoliosis and Spinal Disorders (2017) 12:4:1-8.

Søren Ohrt-Nissen, Naeem Bukhari, Casper Dragsted, Martin Gehrchen, Pär Johansson, Jesper Dirks, Jakob Stensballe, Benny Dahl. Blood Transfusion in Surgical Treatment of Adolescent Idiopathic scoliosis - One-center Experience of Patient Blood Management in 210 Cases. Transfusion Accepted for publication, March, 2017.

Ohrt-Nissen Søren, Dennis Winge Hallager, Gehrchen Martin, Dahl Benny. Flexibility predicts curve progression in Providence nighttime bracing of patients with Adolescent Idiopathic Scoliosis. Spine 2016;41:1724–1730.

Martin Gehrchen, Søren Ohrt-Nissen, Dennis Winge Hallager, Benny Dahl. A uniquely shaped rod improves curve correction in surgical treatment of adolescent idiopathic scoliosis. Spine 2016 41(14):1139–1145.  

Ohrt-Nissen S, Hallager DW, Gehrchen M, Dahl B. Supine lateral bending radiographs predict the initial in-brace correction of the Providence brace in patients with Adolescent Idiopathic Scoliosis. Spine 2016 May;41(9):798-802.

Sven Karstensen, Tanvir Bari, Martin Gehrchen, John Street, Benny Dahl. Morbidity and mortality of complex spine surgery. A prospective cohort study in 679 patients validating the Spine AdVerse Event Severity (SAVES) system in a European population. Spine J 16 (2016) 146–153. Outstanding clinical paper 2015.

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