Congenital knee dislocation, case report and review of the literature

Morales‐Roselló, José; Loscalzo, Gabriela; Hueso-Villanueva, María; Buongiorno, Silvia; Jakaitė, Vaidilė; Perales‐Marín, Alfredo

doi:10.1080/14767058.2020.1731464

Cited by 13 publications

(24 citation statements)

References 16 publications

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“…Bilateral congenital knee dislocation-subluxation is uncommon with an incidence of 1 in 1,000 births and 1 in 100 of developmental hip dysplasia. [1,2,10] It is two-fold more frequent in girls than boys, and there is no difference between the right and left knee and one-third of the cases are bilateral. [11] Although its exact etiology is still unclear, three theories have been proposed as mechanical defect, primary embryological defect, and primary mesenchymal defect.…”

Section: Discussionmentioning

confidence: 99%

“…[1] It was first described by Chanssier in 1812 and later by Chatelain in 1822. [2] Its incidence is 1 in every 1,000 births. [2,3] Its etiology is not certain, and there are frequently accompanying other musculoskeletal abnormalities.…”

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confidence: 99%

“…[2] Its incidence is 1 in every 1,000 births. [2,3] Its etiology is not certain, and there are frequently accompanying other musculoskeletal abnormalities. [2][3][4][5] Conservative treatment methods, which usually consist of early manipulation, have a high chance of success.…”

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confidence: 99%

“…[2,3] Its etiology is not certain, and there are frequently accompanying other musculoskeletal abnormalities. [2][3][4][5] Conservative treatment methods, which usually consist of early manipulation, have a high chance of success. [4] Surgical treatment is indicated in later stages in neglected or unresponsive cases to manipulation in the early period.…”

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confidence: 99%

“…[6] In the literature, the first diagnosis was made in the prenatal period as evidenced by a radiograph taken after local trauma in 1986. [2] However, it was first diagnosed with ultrasonography in the prenatal period in 2003. [7] Despite hundreds of cases reported in the literature, antenatal descriptions are very rare.…”

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confidence: 99%

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Neglected intrauterine bilateral congenital knee dislocation

Çıraklı

2021

Jt Dis Relat Surg

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Bilateral congenital knee dislocation is a rare deformity which may present with other musculoskeletal abnormalities. In the early period, conservative treatment options have a high chance of success. However, in later stages, surgical treatment is indicated in neglected or unresponsive cases to manipulation in the early period. Herein, we present a rare case of bilateral congenital knee dislocation which was diagnosed after birth. Retrospective examination revealed that it occurred in the antenatal period and neglected.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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confidence: 99%

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Neglected intrauterine bilateral congenital knee dislocation

Çıraklı

2021

Jt Dis Relat Surg

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Elements of morphology: Standard terminology for the trunk and limbs

Biesecker

Adam

Chung

et al. 2022

American J of Med Genetics Pt A

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An international group of clinicians working in the field of dysmorphology has initiated the standardization of terms used to describe human morphology. The goals are to standardize these terms and reach consensus regarding their definitions. In this way, we will increase the utility of descriptions of the human phenotype and facilitate reliable comparisons of findings among patients. Additional discussions with other workers in dysmorphology and related fields, such as developmental biology and molecular genetics, will become more precise. Here we introduce the anatomy of the trunk and limbs and define and illustrate the terms that describe the major characteristics of these body regions.

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Prenatal diagnosis and postnatal outcome of fetal congenital knee dislocation: systematic review of literature

Cavoretto,

Castoldi,

Corbella

et al. 2023

Ultrasound in Obstet & Gyne

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ObjectivesCongenital Knee Dislocation (CKD) or Genu Recurvatum is a rare condition affecting 1 over 100,000 newborns, characterized by anterior hyperextension of the knee joint, increased transverse skin folds over the anterior surface of the knee and prominence of femoral condyles into the popliteal fossa. Prenatal diagnosis is poorly described in the literature and challenging, especially when it appears isolated and not in the context of polymalformative or syndromic patterns. The purpose of this study is to provide a comprehensive review of the available literature on prenatal diagnosis and postnatal outcome of this rare condition, to summarize the current evidence on this topic.MethodsWe performed a systematic review of the literature searching for prenatal diagnosis of CKD in all major internet‐based medical databases. A predefined combination of specific key words was used, focusing on intrauterine manifestations, diagnostic methods, prenatal behavior, postnatal treatment and neonatal outcome as well as long‐term outcome on ambulation, motion and joint stability. Study quality was assessed by means of National Institute of Health tool for the quality assessment of Case Series Studies. A summary of results was carried out providing proportions and rates of diagnostic and prognostic features associated with this rare condition.ResultsTwenty cases were retrieved for analysis including nineteen collected from the systematic review and one unpublished case from our experience. Median gestational age at prenatal diagnosis was 22 weeks (range 14‐38 weeks), generally by US. Bilaterality was observed in 11/20 (55%), the condition was isolated in 7/20 cases (35%) and associated to other anomalies in 13/20 cases (65%). An association was observed with oligohydramnios (20%) and invasive procedures were performed in 11 cases (55 %). Genetic studies were normal in all isolated cases and few genetic syndromes were present in 10 of the 13 (77%) non‐isolated cases for which information was available (Larsen, Noonan, Grebe, Desbuquois and Escobar syndromes). There were 7 terminations of pregnancy, of which 6 with associated anomalies and one isolated, 11 livebirths, one intrauterine death and one neonatal death. All fetal or neonatal demises were in fetuses with associated anomalies or abnormal genetics. Postnatal treatment was essentially conservative with only two reports (18% of the 11 liveborn neonates) of surgical interventions, all in cases with associated anomalies. The postnatal follow up was in most of the cases up to the first year and the motor outlook appears normal.ConclusionsCKD is a rare fetal anomaly with a prenatal diagnosis achievable from the early second trimester for which favorable outcome can be predicted when no associated anomalies are present. Prenatal diagnosis should include detailed US assessment and amniocentesis for extensive genetic studies, particularly in non‐isolated cases. Postnatal early treatment achieves success in most cases without surgical intervention and leads to normal motor outlook.This article is protected by copyright. All rights reserved.

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Congenital knee dislocation, case report and review of the literature

Cited by 13 publications

References 16 publications

Neglected intrauterine bilateral congenital knee dislocation

Neglected intrauterine bilateral congenital knee dislocation

Elements of morphology: Standard terminology for the trunk and limbs

Prenatal diagnosis and postnatal outcome of fetal congenital knee dislocation: systematic review of literature

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