OC12.05: Early second trimester diagnosis of fetal midbrain–hindbrain malformations: a transvaginal neurosonographic study.

OC12.05: Early second trimester diagnosis of fetal midbrain-hindbrain malformations: a transvaginal neurosonographic study To describe the clinical and neurosonographic features of fetal midbrain-hindbrain (MBHB malformation diagnosed at 14-18 weeks. The MBHB abnormalities include; kinking of the brainstem (KBS) (n = 3), Joubert syndrome (JS) (n = 2), aqueductal stenosis (AS) (n = 11), rhombencephalosynapsis (RES) (n = 3), "open" fourth ventricle (OFV) (n = 6), and Mobius syndrome (MS) (n = 1). [Extracted from the article]