title: Primary chiasmal sarcoid granuloma masquerading as glioma of the optic chiasm.
authors.affiliation: Department of Neurosurgery, The Aga Khan University Hospital, Karachi.
authors.forename: Muhammad Zubair
authors.initials: MZ
authors.lastname: Tahir
authors.forename: Farheen
authors.initials: F
authors.lastname: Shaikh
authors.forename: Arshad Ali
authors.initials: AA
authors.lastname: Siddiqui