CONGENITAL CYSTIC ADENOMATOID MALFORMATION OF THE LUNG REFERRED AS AIRWAY FOREIGN-BODY

Congenital cystic adenomatoid malformation of the lung is an uncommon anomaly. Two patients with this condition were recently referred to th e Otolaryngology Service at The Hospital for Sick Children, Toronto, O ntario, for bronchoscopic evaluation of the airway to rule out a forei gn body. Although history did not disclose a clear episode of aspirati on in either case, chest radiographs showed unilateral lobar hyperinfl ation with mediastinal shift, consistent with foreign body obstruction . We report two cases to introduce congenital cystic adenomatoid malfo rmation to the English otolaryngology literature and to increase aware ness of it among otolaryngologists.