A. General considerations -- Epidemiology -- Clinical presentation -- Classification, grading and prognosis -- Imaging: general principles. B. Systematic review: intra-axial adult brain tumours -- Diffuse astrocytic and oligodendroglial tumours -- Other gliomas, ependymal tumours and rare gliomas in the adult -- Neuronal and mixed neuronal-glial tumours -- Tumors of the pineal region -- Lymphomas -- Metastatic tumours of the CNS -- C. Systematic review: entra-axial adult brain tumours -- Tumours of the cranial and paraspinal nerves -- Meningiomas -- Mesenchymal non meningiomatous tumours -- D. Systematic review: pediatric brain tumours -- Brain tumours of the first two year of age -- Posterior fossa tumours of childhood -- Other pediatric tumours.