• M Isnard, A Kohler, M Kohler, C Vayssière, and R Favre.
• Fetal Medicine Unit, Department of Obstetrics and Gynaecology, CMCO-SIHCUS Hôpitaux Universitaires, Strasbourg, France.
• Fetal. Diagn. Ther. 2007 Jan 1; 22 (5): 325-9.

AbstractCongenital cystic adenomatoid malformation (CCAM) of the lung is a rare abnormality which is amenable to be diagnosed by prenatal ultrasonography. In general, CCAM associated with non-immune hydrops has a poor prognosis unless a fetal intervention is performed. In some series almost 100% of either prenatal or early neonatal deaths are observed without intervention. Recently the cystic adenomatoid malformation volume ratio (CVR) has been proposed as an index to predict the development of hydrops in this condition. If the CVR is >1.6, the risk of hydrops is approximately 75%. We report a case of CCAM (macrocystic type) of the left lung referred to our center at 21 weeks of gestation. Fetal therapy was considered owing to enlargement of the CCAM volume, severe mediastinal shift, right lung compression, polyhydramnios and ascites from 21 to 26 weeks. Thoracoamniotic shunting was performed successfully at 26 weeks with resolution of the cystic mass. At 37 weeks a male infant was born vaginally weighing 3,210 g with Apgar scores of 5 and 10. Resection of the mass was performed uneventfully on day 3. The infant is currently 22 months of age, asymptomatic and in good condition.Copyright 2007 S. Karger AG, Basel.

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