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Adolescent tibia vara.

M Chmell1, V M Dvonch

  • 1Department of Surgery, University of Chicago, IL 60637.

Orthopedics
|February 1, 1989
PubMed
Summary
This summary is machine-generated.

Adolescent tibia vara may share similar causes with infantile tibia vara, involving abnormal forces on the growth plate. This leads to growth suppression and varus deformity in adolescents, mirroring infantile cases despite different bone development.

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Area of Science:

  • Orthopedics
  • Pediatric Orthopedics
  • Growth Plate Disorders

Background:

  • Adolescent tibia vara is less common and understood than infantile tibia vara.
  • Both conditions share epidemiological and histological similarities.

Observation:

  • Adolescent tibia vara differs radiographically from infantile tibia vara.
  • Potential etiologies for adolescent tibia vara include obesity, growth spurt, or residual varus, causing abnormal forces on the medial tibial growth plate.

Findings:

  • The Heuter Volkman principle suggests these forces can cause growth plate suppression in both infantile and adolescent tibia vara.
  • In infants, this leads to progressive medial wedging due to a moldable cartilaginous ossification center.
  • In adolescents, the bony ossification center does not deform but still experiences growth suppression, resulting in varus deformity.

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Implications:

  • Adolescent tibia vara, even without direct trauma or infection, may stem from the same underlying pathological process as infantile tibia vara.
  • Understanding this shared etiology can inform treatment and management strategies for both conditions.
  • Further research into the biomechanics of growth plate stress is warranted.