نتایج جستجو برای: congenital patella dislocation
تعداد نتایج: 145780 فیلتر نتایج به سال:
Congenital lateral dislocation of the patella is a rare condition caused by displacement of the extensor mechanism of the knee, which occurs before or shortly after birth (Malkin 1932). The patella is small and cannot be replaced in its normal position except by operation. This type of dislocation differs from recurrent or habitual dislocation of the patella, which occurs during childhood or ad...
Congenital dislocation of the patella may be a phenotype, which has several genotypes, i.e. it may be congenital or acquired. This hypothesis is suggested with three illustrative case studies. Risk factors predictive of the development of irreducible dislocation of the patella in infancy are suggested. As there is a spectrum of possible aetiologies, 'late' diagnosis and a number of 'risk' facto...
Congenital patellar dislocation is a rare condition in which the patella is permanently dislocated and cannot be reduced manually. The patella develops normally as a sesamoid bone of the femur. This congenital dislocation results from failure of the internal rotation of the myotome that forms the femur, quadriceps muscle and extensor apparatus. It usually manifests immediately after birth, alth...
recurrent dislocation of patella may occur in patients with ligament laxity. method of treatment in this condition is controversial but patellofemoral ligament reconstruction is the most accepted method. we present a patient with rubinstein-taybi syndrome and recurrent patellar dislocation who managed successfully by patellofemoral ligament reconstruction.
The objective of this study was to explore the clinical effect of medial and lateral retinaculum plasty for congenital patellar dislocation due to small patella syndrome. Twelve patients with congenital patellar dislocation due to small patella syndrome treated at the authors' hospital between January 2005 and February 2010 were enrolled in the study. The study group comprised 4 men (4 knees) a...
We have operated total knee arthroplasty in a patient with bilateral congenital dislocation of the patella treated with a different method in each knee.
Congenital permanent dislocation of the patella is a rare disorder of the knee joint in which the patella is permanently displaced, even in extension and is fixed on the lateral aspect of the femoral condyle. The dislocation is irreducible without surgical techniques. This rare condition is usually detected within the first decade of life, because of inability of active extension in the knee an...
The clinical manifestations and pathomechanics of contracture of the extensor mechanism of the knee.
Experience with thirty-eight Asian children and adolescents who presented with either stiffness of the knee, genu recurvatum, habitual dislocation of the patella or congenital lateral dislocation of the patella showed that all those disorders were manifestations of contracture of the extensor mechanism, which fell into two groups according to the components involved. In Group I the main compone...
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