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Updated: May 13, 2026

A Rat Tibial Growth Plate Injury Model to Characterize Repair Mechanisms and Evaluate Growth Plate Regeneration Strategies
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Published on: July 4, 2017

Growth arrest and leg-length discrepancy.

Randheer Shailam1, Diego Jaramillo, J Herman Kan

  • 1Pediatric Radiology Division, Department of Radiology, Massachusetts General Hospital, 55 Fruit St., Ellison 2, Boston, MA 02114, USA. rshailam@partners.org

Pediatric Radiology
|March 13, 2013
PubMed
Summary

Accurate diagnosis of leg-length discrepancies (LLD) in children is crucial. Imaging helps identify growth arrest causes, preventing scoliosis and joint pain from LLD greater than 1 cm.

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Area of Science:

  • Pediatric Orthopedics
  • Medical Imaging
  • Biomechanical Analysis

Background:

  • Leg-length discrepancies (LLD) in children can stem from congenital or acquired causes.
  • Minor LLD (<1 cm) is typically benign, but significant discrepancies can lead to serious musculoskeletal issues.
  • These issues include scoliosis, pelvic tilt, abnormal gait, and early-onset degenerative joint disease.

Purpose of the Study:

  • To present a comprehensive pictorial review of imaging findings associated with growth arrest.
  • To illustrate how these findings relate to alignment and leg-length discrepancies in pediatric patients.
  • To aid clinicians in identifying and managing pediatric LLD.

Main Methods:

  • Review of imaging studies in pediatric patients with growth arrest and LLD.
  • Correlation of imaging findings with clinical presentation and etiologies.
  • Categorization of imaging findings based on growth plate involvement and etiology.

Main Results:

  • Detailed imaging characteristics of various growth arrest patterns are presented.
  • Specific imaging signs indicative of congenital and acquired causes of LLD are highlighted.
  • The essay provides a visual guide to the spectrum of imaging findings.

Conclusions:

  • Effective management of pediatric LLD relies on accurate identification of underlying etiologies.
  • Imaging plays a pivotal role in diagnosing growth arrest and guiding treatment strategies.
  • Understanding the imaging spectrum of growth arrest is essential for optimizing patient outcomes.