title: Pen injury: a rare complication.
abstract: An 18-month-old male sustained an intra-oral injury after falling on a pen. The internal carotid artery was occluded without evident neurologic deficit. The pen tip was surgically removed from the cerebellum.
authors.affiliation: Department of Radiology, University of Iowa Hospitals and Clinics; Iowa City.
authors.forename: D J
authors.initials: DJ
authors.lastname: Loes
authors.forename: W R
authors.initials: WR
authors.lastname: Smoker
authors.forename: A H
authors.initials: AH
authors.lastname: Menezes
mesh_terms: D020212:Carotid Artery Injuries; D002341:Carotid Artery Thrombosis / Q000000981:diagnostic imaging; D002531:Cerebellum / Q000293:injuries*; D002533:Cerebral Angiography; D005547:Foreign Bodies / Q000000981:diagnostic imaging*; D006801:Humans; D007223:Infant; D008297:Male; D013382:Subtraction Technique; D014057:Tomography, X-Ray Computed; D014950:Wounds, Penetrating / Q000000981:diagnostic imaging*