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 journalArticle

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. LEVEL OF EVIDENCE:: Level IV—case series.

Original languageEnglish (US)
JournalJournal of Pediatric Orthopaedics
DOIs
StateAccepted/In press - Nov 16 2015

ASJC Scopus subject areas

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

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