As a satellite activity of the annual congress of the Spanish Society of Neurosurgery recently held in Córdoba, a precongress course was held on surgical approaches for various tumor pathologies of the Nervous System. The course included the participation of Dr. Arráez, along with other national and international faculty. Dr. Arráez is an honorary member of the International Academy of Neurosurgical Anatomy (IANA). The course was held at the facilities of the University of Córdoba and had a large turnout of young neurosurgeons, who had the opportunity to discuss the different surgical approaches with the course faculty