European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
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Case Reports
Uninstrumented fusion in cervical kyphosis due to neurofibromatosis type I: report of two paediatric cases.
Severe cervical kyphosis (CK) in neurofibromatosis type 1 (NF-1) is associated with a high risk for progression and neurologic impairment in children. We present our surgical technique and mid-term outcomes of uninstrumented anterior tibial strut grafting for severe CK secondary to NF-1. ⋯ In children with severe CK secondary to NF-1, cervical distraction and immobilisation with a HV followed by uninstrumented anterior tibial strut grafting and posterior bone grafting, provided spinal fusion and stability without increasing the risk of neurological injury and donor site morbidity. The reported surgical technique appears to be a valuable tool in the armamentarium of the spinal surgeon.
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Symptomatic Tarlov cysts in children with a possible underlying one-way check-valve mechanism are very rare. We aim to introduce a new variation of the surgical technique to overcome a check-valve mechanism. ⋯ One-way check-valve mechanism might contribute to the symptomatology of large sacral Tarlov cysts in children. Our new variation of a surgical technique enables elimination of the check-valve mechanism without the necessity to open and close the typically very thin and fragile cyst surface and is therefore an efficacious and simple option in this situation.
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Split cord malformation (SCM) is a rare congenital malformation of the spinal cord in which the cord is split longitudinally. Identification and diagnosis in adulthood is rare, with the majority of cases diagnosed in the paediatric population. Isolated segmental cervical SCM is rarer still. ⋯ The case serves to highlight the importance of knowledge of this rare congenital condition to surgeons, physicians and radiologists involved in the care of both adult and paediatric patients presenting with spinal pathology.
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Neurosarcoidosis is rare, and among its manifestations, nerve root involvement has been reported in only a few cases. Therefore, magnetic resonance imaging (MRI) findings of neurosarcoidosis, particularly those involving nerve roots, are scarce in the literature. ⋯ This report presents a distinctive MRI feature of neurosarcoidosis involving spinal nerve roots, representing the first of its kind, and describes the evolution of MRI findings throughout the clinical course.
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Review Meta Analysis
Spinopelvic fixation failure in the adult spinal deformity population: systematic review and meta-analysis.
Despite modern fixation techniques, spinopelvic fixation failure (SPFF) after adult spinal deformity (ASD) surgery ranges from 4.5 to 38.0%, with approximately 50% requiring reoperation. Compared to other well-studied complications after ASD surgery, less is known about the incidence and predictors of SPFF. ⋯ The aggregate rate of SPFF after ASD surgery is 22.1%. The most common mechanisms of failure were pseudarthrosis, rod fracture, and iliac screw loosening. Studies of SPFF remain heterogeneous, and a consistent definition of what constitutes SPFF is needed. This study may enable surgeons to provide patient specific constructs with pelvic fixation constructs to minimize this risk of failure.