BRONCHOGENIC CYST, PRENATAL DIAGNOSIS

Introduction. The bronchogenic cyst is a cystic structure limited by bronchial epithelium the incidence is unknown and it is not very often diagnosed in the neonatal period. Case report. Fetus with cystic mass in the left hemithorax above the cardiac silhouette with suspicion of the left diaphragmatic hernia vs cystic adenomatoid disease based on prenatal ultrasound. At birth female eutrofic term newborn with birth weight of 3 030 g, length 49 cm, Apgar 8-9. The AP and lateral chest x ray confirmed a left mediastinal mass, above the cardiac silhouette, a CT scan confirmed the presence of a cystic mass in the left mediastinum at the level of T4 and T5. A left thoracotomia was performed to remove the 3 by 3 cm cyst adhered the left antherolateral wall of the trachea. There was no communication with it. The histopathologic report was positive for a bronchogenic cyst. The patient was discharged on day 6 with no complications. Conclusions. The prenatal diagnosis and the immediate postnatal confirmation of the bronchogenic cyst allowed for a prompt treatment, preventing further complications.