Avascular necrosis in the contralateral hip in patients with congenital femoral deficiency: A report of 3 cases

Timothy S. Brown, Robert L. Wimberly, John G. Birch

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Congenital femoral deficiency is an uncommon clinical entity. We report 3 patients who developed avascular necrosis of the hip in the long (normal) leg during longitudinal observation and/or treatment of congenital femoral deficiency. Methods: Patients were identified in limb length discrepancy clinic and their charts were retrospectively reviewed for clinical and radiographic data collection. Results: We describe the occurrence of idiopathic avascular necrosis in the normal limb in patients being followed for limb length discrepancy. Conclusions: Although no conclusion could be drawn about the etiology of the avascular necrosis, we describe a previously undocumented relationship between congenital femoral deficiency and avascular necrosis in the contralateral hip. This occurred in our congenital femoral deficiency population at a rate higher than expected compared with published incidences of avascular necrosis of the hip in children.

Original languageEnglish (US)
Pages (from-to)e28-e31
JournalJournal of Pediatric Orthopaedics
Volume37
Issue number1
DOIs
StatePublished - Jan 1 2017

Keywords

  • avascular necrosis
  • congenital femoral deficiency
  • leg-length discrepancy
  • limb length discrepancy

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Orthopedics and Sports Medicine

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