World Neurosurg
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Publication rate can indirectly assess the quality of research presented in scientific meetings. Considering presentations at orthopedic surgery and neurosurgery meetings, 10.5-66% of abstracts are published in scientific journals. Publication rate of abstracts presented at CSS Meetings is unknown. The objective of this study was to evaluate the publication rate of abstracts presented at the Canadian Spine Society(CSS) Annual Meetings from 2005to2014. ⋯ The CSS scientific meeting maintain along the years a steady high quality research presentations as manifested by its significant publication rate(54.8%) in medical journals with mean IF of 3.73. In comparison with other spine scientific meetings, publication rates of abstracts presented at CSS meeting is amongst the highest.
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Subependymomas are rare in the spinal cord. They are typically expansile, intramedullary spinal cord masses, eccentrically located with minimal gadolinium enhancement. ⋯ This is the first case, to our knowledge, where imaging revealed a mass appearing to be completely extramedullary with a primary exophytic component. Therefore, subependymomas should remain on the differential for masses in the spinal cord that appear extramedullary and exophytic.
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To study the prevalence of OTX1 and OTX2 gene expression in 60 medulloblastoma specimen samples and to establish correlations between gene expression and clinical and histopathological aspects. ⋯ The relative expression of OTX1 and OTX2 was dependent on patient age, tumor location, and histological variant. In addition, OTX2 expression might be a predictive factor for leptomeningeal metastases of medulloblastoma. The OTX pathway should be consider as an important venue for medulloblastomas development.
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Cervical kyphosis (CK) has been reported in patients with adolescent idiopathic scoliosis (AIS). The report about the incidence of CK between patients with AIS and normal populations was little. Patients included in previous studies often required scoliosis surgery (Cobb angle ≥40°), which does not represent all patients with AIS. The aims of this study were to compare incidence of CK between patients with AIS (Cobb angle >10°) and an age-matched normal population and to identify risk factors related to CK, especially coronal parameters that have rarely been studied in current literature. ⋯ Incidence of CK increases in patients with AIS relative to normal subjects. Coronal parameters of the spine could influence cervical sagittal alignment.
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The supraorbital keyhole craniotomy is a well-established minimally invasive approach for the treatment of intracranial aneurysms. However, the surgical range of exposure using this technique for treatment of intracranial aneurysms has not been studied. ⋯ Although the SO is conventionally used in the treatment of anterior circulation aneurysms, we were able to treat aneurysms over a range of 50 mm over the skull base. With its low complication risk, relatively short hospital stay, and excellent cosmetic results, SO remains a valuable treatment option for both young and aged patients.