The International Meeting on Brain Oncology in Rennes was organised in honor of Jean Pecker, to pay tribute to his contribution to the development of neurological sciences and to take stock of the current state of knowledge on brain tumors, a domain in which the role of neurosurgery has been and will continue to be primordial. During the two-day conference, the major themes of brain oncology studies, both fundamental and clinical, were examined: oncogenesis, tumoral markers and immunology, metabolic and diagnosis imaging, prognostic factors and therapeutic strategies. The large number and...