title: Primary osteosarcoma of the sphenoid bone with multiple recurrences: a case report and review of the literature.
abstract: In this paper a patient with primary osteosarcoma of the sphenoid bone, which recurred twice following surgery and was managed with re-excision, irradiation and chemotherapy is presented due to its extremely rare presentation and atypical course. The relevant literature is also reviewed.
authors.affiliation: Department of Radiation Oncology, Ege University Medical School, Izmir, Turkey.
authors.forename: Z
authors.initials: Z
authors.lastname: Ozsaran
authors.forename: Y
authors.initials: Y
authors.lastname: Anacak
authors.forename: M
authors.initials: M
authors.lastname: Esassolak
authors.forename: E
authors.initials: E
authors.lastname: Goker
authors.forename: D
authors.initials: D
authors.lastname: Yalman
authors.forename: A
authors.initials: A
authors.lastname: Haydaroglu
authors.forename: F
authors.initials: F
authors.lastname: Oztop