Congenital dislocation of the patella – clinical case

Sá, Pedro; Raposo, Filipa; Carvalho, Mário de; Alegrete, Nuno; Coutinho, Jorge; Costa, Gilberto

doi:10.1016/j.rboe.2015.12.010

Cited by 5 publications

(7 citation statements)

References 17 publications

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“…Congenital dislocation of the patella is associated with arthrogryposis, chondrodysplasia punctata, dyschondrosteosis, chondro-osteodystrophy, thrombocytopenia-absent radius syndrome, fibular hemimelia, Larsen syndrome, and Williams-Beuren syndrome. 1,2,[3][4][5][6][7][8][9][10][11][12] Obligate dislocation is also associated with syndromes such as Down syndrome, Rubinstein-Taybi syndrome, nail-patella syndrome, Kabuki syndrome, and Ellis-Van Crevald syndrome. In these later syndromes, the patellar dislocation may occur after birth and can become permanent and irreducible during childhood.…”

Section: Etiology and Epidemiologymentioning

confidence: 99%

“…13 Regarding the laterality of this condition, numerous authors have reported that it can present either unilaterally or bilaterally. 2,12,19 Sever et al reported that upon review of the literature, there were 36 reported cases of bilateral involvement and 45 cases of unilateral involvement. 11 When patellar dislocation occurs with each flexionextension cycle of the knee, this is deemed habitual or obligate dislocation.…”

Section: Clinical Presentationmentioning

confidence: 99%

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Management of Fixed Dislocation of the Patella

Imbergamo¹,

Coene²,

Milewski³

2020

Journal of the Pediatric Orthopaedic Society of North America

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Congenital dislocation of the patella is a rare condition which manifests as a permanent and irreducible patella fixed on the lateral aspect of the femoral condyle, usually present at birth. This condition is to be distinguished from habitual or obligate dislocation, in which the patella dislocates and relocates from its normal position in the trochlear groove spontaneously with flexion and extension of the knee. Congenital dislocation of the patella is frequently associated with a flexion contracture at the knee, genu valgus, foot deformity and external tibial torsion, along with various conditions including arthrogryposis, Down syndrome, and nail-patella syndrome, among others. Surgical correction is the only definitive treatment for this condition, which typically includes lateral release, medial stabilization, distal patellar tendon realignment, and proximal extensor lengthening if needed. Outcomes following surgical correction are generally satisfactory, with an improvement in function, range of motion, and quality of life for patients. The aim of this paper is to review the current understanding of congenital and habitual dislocation of the patella and provide an updated overview of the diagnosis and surgical management of these conditions.

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Section: Etiology and Epidemiologymentioning

confidence: 99%

Section: Clinical Presentationmentioning

confidence: 99%

Management of Fixed Dislocation of the Patella

Imbergamo¹,

Coene²,

Milewski³

2020

Journal of the Pediatric Orthopaedic Society of North America

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“…CDP may occur as an isolated clinical entity or is associated with polymalformative syndrome. [ 4 , 5 ]…”

Section: Introductionmentioning

confidence: 99%

“…CDP is characterized by stiffness, short quadriceps, femoropatellar dysplasia, flexion contracture, genu valgum, external tibial torsion, and foot deformities. CDP may occur as an isolated clinical entity or is associated with polymalformative syndrome [4,5] …”

Section: Introductionmentioning

confidence: 99%

Postaxial hypoplasia of the lower extremity associated with congenital dislocation of the patella

Charles-Lozoya

Ruíz-Zenteno²,

Cobos-Aguilar

et al. 2022

Medicine

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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.

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“…Congenital patellar dislocation (CPD) is a highly rare condition, presenting as a manually irreducible lateral patellar bone dislocation with a flexion contracture and valgus tibial deviation [ 1 ]. It can simultaneously occur alongside other disorders such as Ellis-van Creveld syndrome, Down syndrome, and Rubinstein-Taybi syndrome [ 2 ].…”

Section: Introductionmentioning

confidence: 99%

Presentation and Repair of Serial Misdiagnosed Congenital Patellar Dislocation

Nguyen¹,

Mekler²,

Truong³

et al. 2021

Cureus

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Congenital patellar dislocation (CPD) is a rare deformity in children that involves a laterally displaced patella. While potentially identified in early childhood using diagnostic imaging techniques, it is often misdiagnosed at birth, creating pain and mobility issues as the child grows. Dislocation of the patella is permanent and manually irreducible, often manifesting with flexion contracture of the knee, genu valgum, external tibial torsion, and foot deformity. Surgical correction is the treatment of choice in order to prevent future sequelae. We herein present a case of CPD in a four-year-old Asian male who was initially misdiagnosed before undergoing successful surgical repair using the Roux-Goldthwait technique.

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Congenital dislocation of the patella – clinical case

Cited by 5 publications

References 17 publications

Management of Fixed Dislocation of the Patella

Management of Fixed Dislocation of the Patella

Postaxial hypoplasia of the lower extremity associated with congenital dislocation of the patella

Presentation and Repair of Serial Misdiagnosed Congenital Patellar Dislocation

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