title: A large asymptomatic foreign body in larynx and trachea.
abstract: A 41-year-old asymptomatic man was referred to emergency department complaining of severe dyspnea. He had a history of psychosis and had been taking Biperiden and Lithium carbonate since 17 years ago. Imaging studies showed multiple foreign bodies in the trachea, which were extracted.
authors.affiliation: 1 Department of Anesthesiology, Tabriz University of Medical Sciences, Tabriz, Iran ; 2 The Russell H. Morgan Department of Radiology and Radiological Sciences, The Johns Hopkins Hospital, Baltimore, Maryland, USA.
authors.forename: Mehdi
authors.initials: M
authors.lastname: Ghaffarlou
authors.affiliation: 1 Department of Anesthesiology, Tabriz University of Medical Sciences, Tabriz, Iran ; 2 The Russell H. Morgan Department of Radiology and Radiological Sciences, The Johns Hopkins Hospital, Baltimore, Maryland, USA.
authors.forename: Samad E J
authors.initials: SE
authors.lastname: Golzari
authors.affiliation: 1 Department of Anesthesiology, Tabriz University of Medical Sciences, Tabriz, Iran ; 2 The Russell H. Morgan Department of Radiology and Radiological Sciences, The Johns Hopkins Hospital, Baltimore, Maryland, USA.
authors.forename: Nariman
authors.initials: N
authors.lastname: Nezami
keywords: Dyspnea; chest X-ray; foreign body; psychosis