KEY POINTS Print Section Listen Key Points Occurs in 1 in 3000 livebirths. Fifty percent of cases have associated anomalies, most commonly cardiac, but also genitourinary, anorectoal, and musculoskeletal. Sonographic…
KEY POINTS Print Section Listen Key Points Fetal tachyarrhythmias include isolated extrasystoles, supraventricular tachycardia, and atrial flutter. Approximately 1% of fetuses are diagnosed with an arrhythmia. Isolated extrasystoles are the…
KEY POINTS Print Section Listen Key Points Atrial septal defects are relatively common congential cardiac malformations, but are difficult to diagnose prenatally due to problems differentiating the normal patent foramen…
KEY POINTS Print Section Listen Key Points CCAM is cystic malformation of pulmonary tissue and, unlike BPS, typically has a pulmonary blood supply. CCAM has been subdivided into five types,…
KEY POINTS Print Section Listen Key Points Pulmonary agenesis is defined as complete absence or severe hypoplasia of one or both lungs. Pulmonary agenesis may be found in isolation or…
KEY POINTS Print Section Listen Key Points May be primary, due to chylous leak, or secondary, in which effusions are part of generalized fluid retention. Secondary hydrothorax is more common…
KEY POINTS Print Section Listen Key Points Bronchopulmonary sequestration (BPS) is a mass of nonfunctioning lung tissue that does not communicate with the bronchial tree. Prenatal diagnosis is possible by…
KEY POINTS Print Section Listen Key Points Cystic hygroma and lymphangioma are older commonly used terms for a specific type of vascular malformation. Most often seen in the soft tissue…
KEY POINTS Print Section Listen Key Points Differential diagnosis includes bronchogenic cyst, pericardial cyst, thymic cyst, esophageal duplication, and neurenteric cysts. Sonographic features may be used to differentiate between various…
