Postaxial hypoplasia of the lower extremity associated with congenital dislocation of the patella: A case report

Sergio Charles Lozoya, Gibran Ruiz Zenteno, Héctor Cobos Aguilar, María Lizcano Martínez, Edgar Manilla Muñoz, de la Parra-Márquez Miguel Leonardo, Adrián García-Hernández

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1 Citation (Scopus)
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Abstract

Rationale:
Evaluation of clinical and radiologic abnormalities in patients with postaxial hypoplasia of the lower extremity (PHLE) for treatment decisions represents a major challenge, which is more complicated when PHLE is associated with congenital dislocation of the patella.
Patient concerns
: Herein, we present the case of an 8-year-old female patient with evident length inequality in her left lower extremity and inability to walk.
Diagnoses:
Radiological evaluation revealed PHLE with fibular hemimelia, proximal femoral focal deficiency, tarsal coalition, and congenital patellar dislocation of the patella. The right lower extremity was also affected by fibular hemimelia.
Interventions and outcomes:
Surgical management included the Roux-Goldthwait technique for patellofemoral joint realignment, a medial knee stapled with Blount technique, and femur enlargement using the Wagner technique. The results from surgical intervention included a left femoral elongation of 6.7 cm featuring callus with angulation, displacement, and a discrepancy of 5 cm between femurs with a flexor contraction in the knee of −15° and a centralized knee.
Lesson:
PHLE accompanied by congenital dislocation of the patella has not been extensively described in the literature; therefore, there is no established management. Starting reconstruction at an early age, together with an adequate classification of the deformity, are essential factors when opting for limb reconstruction.
Original languageEnglish
Article number101:25
Pages (from-to)E29283
Number of pages5
JournalMedicine
Volume101
Issue number25
DOIs
Publication statusPublished - 24 Jun 2022

Bibliographical note

Publisher Copyright:
© 2022 Lippincott Williams and Wilkins. All rights reserved.

All Science Journal Classification (ASJC) codes

  • General Medicine

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