[Congenital cystic adenomatoid malformation of the lung, intrauterine diagnostic and treatment. A case report and literature review].

The use of prenatal ultrasonography has improve the detection of fetal abnormalities, which affects the perception about the natural history and evolution of them, changing the management of the fetus and neonate. Today, it is possible to perform an early prenatal diagnosis, and be treated even intrauterine with high rates of success. Such is the case of Congenital Cystic Adenomatoid Malformation (CCAM), characterized by abnormal proliferation and dilatation of the terminal structures of the airway, generating multiple cysts of diferent sizes and locations.

[Ductus arteriosus aneurysm. Case report and review of the literature].

The saccular or fusiform dilatation of the ductus arteriosus is called aneurysm (DAA). It is diagnosed in the second trimester during a structural ultrasound. Even though the reported incidence is 2.