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Congenital Cystic Adenomatoid Malformation Diagnosed During First-Trimester Ultrasound Scan

Georges A Markou1, Georgios Dafereras1, Christophe Poncelet1,2

  • 1Department of Obstetrics and Gynecology, Rene-Dubos Hospital, Cergy-Pontoise, France.

The American Journal of Case Reports
|January 2, 2018
PubMed

BACKGROUND Congenital cystic adenomatoid malformation (CCAM) is mostly reported from the second trimester of pregnancy. We report a case of a microcystic type of CCAM that was suggested by routine ultrasound examination at a gestational age of 12 weeks. CASE REPORT First-trimester ultrasound screening revealed the presence of a hyperechoic image that occupied the whole of the right lung, without no other any associated complications. The cardiac and aorta deviations with diaphragmatic eversion associated with a poly-hydramnios had subsequently appeared. The diagnosis of CCAM was confirmed histologically after termination of the pregnancy at 25 weeks of gestation. CONCLUSIONS CCAM may occur at a very early stage of fetal lung development.

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