The Neurosurgery Research and Training Center of the Hospital Universitario de la Samaritana (CIENHUS) was present at the EANS Congress 2019 with the project entitled: “Nine”syndrome with vertical gaze palsy after pontine cavernous malformationresection. Dr. CamiloBenavides M.D., a neurosurgery residentat Hospital Universitario Mayor Méderi – Hospital Universitario de la Samaritana, presented the project.