title: Thinking outside the cranium.
authors.affiliation: Department of Internal Medicine, School of Medicine, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Anahita
authors.initials: A
authors.lastname: Sadeghi
authors.affiliation: Department of Internal Medicine, School of Medicine, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Behrouz
authors.initials: B
authors.lastname: Navabakhsh
authors.affiliation: Department of Radiology, School of Medicine, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Leila
authors.initials: L
authors.lastname: Aghaghazvini
keywords: Cerebral Toxoplasmosis; Eccentric Target Sign; Human Immunodeficiency Virus; Magnetic Resonance Imaging