Fetal cystic adenomatoid malformation is a pulmonary developmental anomaly arising from an overgrowth of the terminal respiratory bronchioles. This is such a rare malformation, that is not always thought of as a diagnostic possibility. We present a case of pulmonary cystic adenomatoid malformation and emphasize the importance of early diagnosis and therapeutic possibilities. We also present its evolution after prenatal placement of a catheter for continuous drainage.
Prenatal diagnosis; Fetus; Cystic adenomatoid malformation of lung, congenital