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Aaron Huser, DO

Assistant Professor, Orthopaedic Surgery

Division of Pediatric and Adolescent Orthopaedic Surgery

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(314) 514-3500

Dr. Huser is a pediatric orthopedic surgeon specializing in lower extremity limb deformities and limb length discrepancies in both children and adults. He completed an additional year of training specifically for limb deformity and limb lengthening, and has experience caring for patients with rare or complex disorders that require limb reconstruction.

Common Diagnoses Treated

  • Limb deformity
  • Limb length difference/discrepancy
  • Achondroplasia
  • Arthrogryposis
  • Blount's disease
  • Bowed legs
  • Congenital femoral deficiency
  • Congenital pseudarthrosis of the tibia
  • Diastrophic dysplasia
  • Fibular hemimelia
  • Fractures
  • Hypochondroplasia
  • Malunions
  • Multiple epiphyseal dysplasia
  • Multiple hereditary exostoses
  • Peroneal nerve compression
  • Pseudoachondroplasia
  • Skeletal dysplasias
  • Spondyloepiphyseal dysplasia
  • Tibial hemimelia

Common Procedures

  • Internal limb lengthening (femur/tibia/humerus)
  • External limb lengthening (femur/tibia/humerus)
  • Femoral osteotomies 
  • Tibial Osteotomies
  • Foot osteotomies 
  • Excision of osteochondromas
  • Nerve decompression
  • Hip preservation
  • Biologic hip reconstruction
  • Biologic knee reconstruction
  • Biologic ankle reconstruction

Clinical Office Locations

  • St. Louis Children's Hospital

    4S60, Suite 1B

    One Children's Place

    St Louis, MO 63110 

  • Shriners Hospital for Children

    4400 Clayton Ave.

    St Louis, MO 63110

  • St. Louis Children’s Specialty Care Center - South County 

    5114 Midamerica Plaza, Suite 1E

    St. Louis, MO 63129

Hospital Affiliations

  • Barnes-Jewish Hospital
  • St. Louis Children's Hospital
  • Shriners Hospital for Children

Academic Office Mailing Address

  • Washington University School of Medicine

    Campus Box 8233

    660 Euclid Avenue

    Saint Louis, MO 63110

View Dr. Huser's complete PubMed profile. 

Research Interests

Dr. Huser has research interests in multiple hereditary exostoses, skeletal dysplasia, congenital femoral deficiency, tibial hemimelia and fibular hemimelia.

Background

Dr. Huser received a medical degree from Chicago College of Osteopathic Medicine in Downer's Grove, IL. He then completed a residency in orthopedic surgery at Rowan University/Inspira Health Network in Vineland, NJ. Following his residency, he completed fellowship training in pediatric orthopedics at Washington University in St. Louis, MO, and an additional fellowship in limb deformity and limb lengthening at the Paley Orthopedic and Spine Institute in West Palm Beach, FL.

Medical Degree

  • Chicago College of Osteopathic Medicine, Downer's Grove, IL

Residency

  • Orthopaedic Surgery, Rowan University/Inspira Health Network, Vineland, NJ

Fellowships

  • Pediatric Orthopedics, Washington University School of Medicine, St. Louis, MO
  • Limb Deformity and Limb Lengthening, Paley Orthopedic and Spine Institute, West Palm Beach, FL

Honors and Awards

  • 2024, LLRS Annual Meeting 2024 – Best Paper – Second Place
  • 2024, LLRS Annual Meeting 2024 – Best Paper – Third Place
  • 2023, Humanitarian Scientific Achievement Award – MHE-RF
  • 2022, LLRS Annual Meeting 2022 – Best Paper – First Place

Professional Societies and Organizations

  • Limb Lengthening and Reconstruction Society (LLRS)
  • Pediatric Orthopedic Society of North America (POSNA)
  • American Osteopathic Academy of Orthopedics (AOAO)
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