Turkish Journal of Pathology

Türk Patoloji Dergisi

Turkish Journal of Pathology

Turkish Journal of Pathology

2016, Vol 32, Num, 3     (Pages: 200-204)

Congenital Pulmonary Airway Malformation Type 2: A Case Report with Review of the Literature

Ebru TAŞTEKİN 1, Ufuk USTA 1, Ayşegül KAYNAR 2, Çiğdem ÖZDEMİR 3, Ömer YALÇIN 1, Filiz ÖZYILMAZ 1, Ali Kemal KUTLU 1

1 Department of Pathology, Trakya University, Faculty of Medicine, EDİRNE, TURKEY
2 Iskenderun State Hospital, HATAY, TURKEY
3 Tekirdag State Hospital, TEKİRDAĞ, TURKEY

DOI: 10.5146/tjpath.2013.01208
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A congenital pulmonary airway malformation is a rare disorder of the pulmonary airway and a hamartomatous mass of disorganized lung tissues with various degrees of cystic change. A 20-year-old pregnant woman who did not have previous clinical follow-up during her pregnancy visited the gynecology department for her first check on the 19th week of gestation. The sonogram, showed severe hydrops fetalis. Laboratory findings were consistent with non-immune hydrops fetalis. Medical abortion was performed and the fetus was sent to our department for a complete fetal autopsy. Macroscopically, whole parts of the fetus had striking oedema. Massive pleural and peritoneal effusions were seen on dissection. The left lung filled the whole thoracic cavity. The heart was displaced to the right and the right lung was compressed. Microscopically, the left lung mass showed dilated bronchiole-like structures (1-20 mm) that were lined with ciliated columnar cells without any intervening mucinous cells. The subepithelial stroma contained thin, interrupted smooth muscle fibers and elastic connective tissue without cartilage plates. Our case is a very good example of non-immune hydrops fetalis associated with congenital pulmonary airway malformation type 2. Prenatal clinical and ultrasonographic follow-ups during pregnancy are very important for early diagnosis of congenital malformations.

Keywords : Cystic adenomatoid malformation of lung, Congenital, Lung diseases, Hydrops fetalis