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Internal tibial torsion in Child
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Internal tibial torsion in Child

Contributors: Colin M. Robbins, Katie Rizzone MD, MPH, Sandeep Mannava MD, PhD
Other Resources UpToDate PubMed

Synopsis

Causes / typical injury mechanism: Internal tibial torsion is typically caused by improper external rotation of the tibia during the early years of growth, which may be secondary to improper fetal positioning in utero.

Classic history and presentation:
  • Parents often report that their child's legs are "turning in," which is noticed when the patient begins walking. Parents might describe toes that face inward while the patella is still facing forward.
  • Typically, there is bilateral presentation of increased internal tibial torsion.
  • This condition can present with bowlegging.
  • Patients can have frequent falls.
Prevalence: This condition typically presents in children aged 1-3 years with a prevalence of up to 30% in children under the age of 6 years.

Pathophysiology: The exact etiology is unknown, but fetal positions in utero are thought to be contributory.

Codes

ICD10CM:
M21.869 – Other specified acquired deformities of unspecified lower leg
Q74.2 – Other congenital malformations of lower limb(s), including pelvic girdle

SNOMEDCT:
299228008 – Internal tibial torsion

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Last Reviewed:09/09/2021
Last Updated:09/09/2021
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Internal tibial torsion in Child
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