def: Increased response (echo) of lung tissue of a fetus observed on prenatal sonography. Increased echo response is conventially displayed as a higher degree of brightness.
comment: The ultrasonographic appearance of fetal lung hyperechogenicity is most commonly associated with congenital bronchopulmonary abnormalities, such as cystic adenomatoid malformation or pulmonary lobar sequestration.
New term request Prenatal ultrasound: hyperechogenic lungs (elthat_101002181857): UMLS: 4540049