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  • Title: [Clinico-pathological and molecular aspects of diagnostic and prognostic value in gliomas].
    Author: Ortega-Aznar A, Jimenez-Leon P, Martinez E, Romero-Vidal FJ.
    Journal: Rev Neurol; 2013 Feb 01; 56(3):161-70. PubMed ID: 23359078.
    Abstract:
    INTRODUCTION: Diffuse infiltrative gliomas, the most common primary brain tumours, account for almost 80% of malignant brain tumours. 60-70% of gliomas are astrocytic and over 80% of these tumours is considered high grade malignancy (grade III and IV) according to current World Health Organization classification. Infiltrating gliomas include diffuse astrocytomas, oligodendrogliomas and oligoastrocytomas. AIM: To review the clinical and histological features of cerebral gliomas, and molecular alterations that add relevant information for novel approaches in diagnosis, prognosis and treatment. DEVELOPMENT: The current gold standard diagnosis of these tumours relies on histopathological classification, which provides a grading of malignancy as a predictor of biological behaviour. However emerging molecular abnormalities have been discovered in the last years and these molecular changes are playing an increasingly prominent role as predictive biomarkers or in the development of diagnostic and prognostic. Now the neuropathologist is in crossroads between pathology and molecular biology and he plays a significant role in implementation of treatments and/or clinical trials. CONCLUSIONS: The study of proteomics and molecular biomarkers should complement the histopathological analysis and sometimes allows to determine direct or indirect predictive factors as well as the study of affected pathways which may become selective therapeutic targets.
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