title: Expert's Comment concerning Grand Rounds case entitled "Diagnosis and treatment of a C2-osteoblastoma encompassing the vertebral artery" (by Stavros I. Stavridis, Andreas Pingel, Klaus John Schnake and Frank Kandziora).
authors.affiliation: Neurosurgery Department, Santa Marcelina's University Hospital-Medical School, R. Maestro Cardim, 591. 11 Floor, Sao Paulo, SP, 0541-300, Brazil, osmarmoraes@gmail.com.
authors.forename: Osmar J S
authors.initials: OJ
authors.lastname: Moraes
mesh_terms: D002574:Cervical Vertebrae; D006801:Humans; D008297:Male; D018215:Osteoblastoma / Q000175:diagnosis*; D013125:Spinal Neoplasms / Q000175:diagnosis*