Prenatal ultrasound diagnosis of rare lethal syndromes on the example of four cases and review of literature

Abstract

Four cases of prenatal ultrasound diagnostics of rare lethal complexes diagnosed in the first trimester of gestation are presented. The nuclear signs of the anomaly of the stem of the body and the OEIS-complex are discussed. The difficulties of early ultrasound prenatal diagnosis, similarity and distinctive features characteristic of both complexes are analyzed.