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INTRODUCTION Whereas in the adult population 5-Aminolevulinic acid (5-ALA) fluorescence guidance has been widely accepted for improving the extent of tumor resection, the application in children remains an off-label use. Even though most pediatric study protocols require a complete resection for improving outcome parameters, only few pediatric patients have(More)
OBJECTIVE Cerebrospinal fluid (CSF) leak is still a common complication in surgery of vestibular schwannoma, increasing morbidity and prolonging hospital stay. Our single center study was performed to determine the incidences of CSF leaks after microsurgical removal of vestibular schwannoma via a retrosigmoidal approach with two different surgical closure(More)
PURPOSE Malignant gliomas are the most aggressive human brain tumors without any curative treatment. The antitumor effect of tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) in gliomas has thus far only been thoroughly established in tumor cell lines. In the present study, we investigated the therapeutic potential of TRAIL in primary human(More)
OBJECTIVE Informed consent (IC) is an important principle of modern medicine and the quality of the process is likely to receive increasing attention in future due to complex surgical procedures and a development of social mistrust for medical treatment. Medico-legal action is also becoming an important influence on IC, in particular the extent of warning(More)
We present two cases of atypical meningioma WHO grade II with a history of multiple local recurrences and late pulmonary metastases. Comparative cytogenetic analyses on 1p and 22q confirmed clonal origin of the primary intracranial meningiomas and the pulmonary metastases in both cases. These cases illustrate the importance of close neuroradiological(More)
OBJECTIVE According to current outcomes research programs, assessment of a broad spectrum of parameters, including quality of life indices, is required to adequately reflect the results of a given treatment. We performed a comprehensive evaluation in patients after supratentorial meningioma surgery in a retrospective study. METHODS In 91 consecutive(More)
Much data about genetic imbalances in tumors have been accumulated by comparative genomic hybridization (CGH). In order to distinguish between significantly and coincidentally involved regions in glioma by means of a meta-analysis, we summarized and analyzed the CGH results of 509 cases published in 26 reports between 1992 and 2001. The expansion of all(More)
TNF-related apoptosis-inducing ligand (TRAIL), a promising novel anti-cancer cytokine of the TNF superfamily, and Bortezomib, the first-in-class clinically used proteasome inhibitor, alone or in combination have been shown to efficiently kill numerous tumor cell lines. However, data concerning primary human tumor cells are very rare. Using primary(More)
The genome is pervasively transcribed but most transcripts do not code for proteins, constituting non-protein-coding RNAs. Despite increasing numbers of functional reports of individual long non-coding RNAs (lncRNAs), assessing the extent of functionality among the non-coding transcriptional output of mammalian cells remains intricate. In the protein-coding(More)