Tabriz University of Medical Sciences Medical Journal of Tabriz University of Medical Sciences 2783-2031 33 4 2011 10 25 A Case Report of Congenital Pulmonary Airway Malformation in a 20 Weeks Old Fetus 95 97 EN Amir Vahedi Zahra Fardiazar Rasool Estakhri Journal Article 2011 10 26 Congenital pulmonary airway malformation is a rare hamartomatous lesion of the lung, which is mostly cystic and fatal. This malformation is the most common congenital lesion in the lung. This lesion is congenital; however prenatal ultrasound examination can assist in prenatal diagnosis. Here, we report autopsy of a 20-weeks fetus with congenital pulmonary airway malformation. This report includes macroscopic and microscopic findings as well.