title: CT of a peripatetic intracranial foreign body.
abstract: We report the CT appearances of a low-velocity missile that lodged within the brain and which subsequently migrated spontaneously back along the entry path. We review the literature of similar instances of migration and draw conclusions about the presurgical radiological management.
authors.affiliation: Department of Radiology, Addenbrooke's Hospital NHS Trust, Cambridge, UK.
authors.forename: P W
authors.initials: PW
authors.lastname: Bearcroft
authors.forename: C E
authors.initials: CE
authors.lastname: Freer
mesh_terms: D000293:Adolescent; D001479:Basal Ganglia / Q000000981:diagnostic imaging* / Q000293:injuries; D001930:Brain Injuries / Q000000981:diagnostic imaging*; D004678:Encephalomalacia / Q000000981:diagnostic imaging; D015807:Eye Injuries, Penetrating / Q000000981:diagnostic imaging; D005260:Female; D005548:Foreign-Body Migration / Q000000981:diagnostic imaging*; D006801:Humans; D009915:Orbit / Q000000981:diagnostic imaging / Q000293:injuries; D014057:Tomography, X-Ray Computed; D014948:Wounds, Gunshot / Q000000981:diagnostic imaging*