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OBJECT Patients harboring colloid cysts of the third ventricle can present with acute neurological deterioration, or the first indication of the lesion may appear when the patient suddenly dies. The risk of such an occurrence in a patient already identified as harboring a colloid cyst is unknown. The goal of this study was to estimate the risk of acute… (More)
BACKGROUND In active acromegaly, pathologically elevated GH and IGF-1 levels are associated with increased bone turnover and a high bone mass, the latter being sustained after normalization of GH values. In a cross-sectional study design, we have previously reported a high prevalence of vertebral fractures (VFs) of about 60% in patients with controlled… (More)
We describe a 29-year-old woman who presented with progressive neck pain, sensory deficit and weakness in both arms. Magnetic resonance imaging (MRI) of the cervical spine revealed an extramedullary tumor with severe spinal cord compression. During surgery an intradural extramedullary tumor was found. Further imaging showed a second lumbar spinal tumor.… (More)
UNLABELLED As the value of grading of ependymomas is currently debated we studied the expression of proliferation- and apoptosis-related proteins in these tumors as these mechanisms both are suggested to be important in tumor growth. We characterized the immunohistochemical expression of p53, Mdm2, Bcl-2, and Bax in 51 intracranial ependymomas. We also… (More)
Cerebellar haemorrhage is an unusual complication of supratentorial neurosurgery. Several causative pre-operative factors and medical risk factors may predispose patients to cerebellar haemorrhage, however its etiology remains still unclear. Only two case reports have previously described the occurrence of cerebellar haemorrhage after subdural haematoma… (More)
We review the epidemiological and clinical features of ependymomas as described in published series as well as the effect on outcome of various treatment strategies.
Ependymomas frequently display allelic loss of chromosome 22 in the absence of mutations in the known tumor-suppressor genes on chromosome 22, suggesting the role of an alternative predisposing gene or genes from this chromosome. In an effort to localize these genes, 37 ependymomas derived from 33 patients were analyzed for the presence of copy number… (More)
BACKGROUND Nerve root decompression with instrumented spondylodesis is the most frequently performed surgical procedure in the treatment of patients with symptomatic low-grade spondylolytic spondylolisthesis. Nerve root decompression without instrumented fusion, i.e. Gill's procedure, is an alternative and less invasive approach. A comparative… (More)
The authors report a case of multiple meningiomas in a 37-year-old woman with Rubinstein-Taybi syndrome. The patient harbored a bifrontal ossifying meningioma and multiple intracranial meningiomas. She underwent surgery for the frontal ossifying meningioma and a right frontoparietal meningioma.