title: Atlanto-occipital dislocation due to aneurysmal bone cyst of the occipital condyle.
authors.affiliation: Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Via Olgettina 60, 20132, Milan, Italy. spina.alfio@hsr.it.
authors.forename: Alfio
authors.initials: A
authors.lastname: Spina
authors.affiliation: Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Via Olgettina 60, 20132, Milan, Italy.
authors.forename: Nicola
authors.initials: N
authors.lastname: Boari
authors.affiliation: Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Via Olgettina 60, 20132, Milan, Italy.
authors.forename: Filippo
authors.initials: F
authors.lastname: Gagliardi
authors.affiliation: Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Via Olgettina 60, 20132, Milan, Italy.
authors.forename: Lodoviga
authors.initials: L
authors.lastname: Giudice
authors.affiliation: Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Via Olgettina 60, 20132, Milan, Italy.
authors.forename: Pietro
authors.initials: P
authors.lastname: Mortini