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Harris L. Cohen, MD, FACR
Basics in Perinatal Neurosonography
Harris L. Cohen, MD, FACR
11/02/2014 | Time : 38 min
About This Lecture:

A refresher on fetal CNS anomalies. Review normal fetal CNS anatomy. List some technical concerns affecting image quality. List some current axioms of fetal CNS evaluation and diagnosis.

Topics mentioned in this video : In a limited amount of time we will:, Central nervous system anomalies, Fetal brain anomalies, A key to evaluating the abnormal – know what normal is, Normal corpus callosum, cavum septum pellucidum and cavum vergae, The normal temporal brain can look echopenic enough to suggest hydrocephalus, Sonographic image, Fetal neurosonography, Sonographic image, Ventriculomegaly/hydrocephalus, Ventriculomegaly, Hydrocephalus/ventriculomegaly, Hydrocephalus, Best method, Sonographic image, Dangling choroid sign, Another example…, Neonate, Absent vs. fenestrated septum pellucidum, Sonographic image, Absent septum pellucidum, Something new I have learned from MR, What is wrong?, MR image, 16 yo sent with fetus ?lobar holoprosencephaly, Congenital CNS malformations, Anencephaly, Anencephaly – no normal brain tissue, Cephalocele/encephalocele, Encephalocele- extends beyond calvarium, Head findings, Abdominal findings, Normal fetal spine, Transverse vertebral bodies, MMC analysis, Mass posterior to vertebral bodies, Another MMC on axial view, Like with a neonatal spine film, 3D reconstructions, However, many cases were historically difficult to diagnose, Myelomeningocele (MMC), An important advance, Banana sign, Sonographic image, A banana, 20 week old Chiari II, Another sign of MMC, lemon sign, Review of an older fetal US study before the sign was described, Holoprosencephaly, Sonographic image, Holoprosencephaly, Holoprosencephaly of the brain is:, Cebocephaly – single nostril, Normal lips, Sonographic image, Dandy Walker complex, Sonographic images, Some postnatal images, White arrow  high tentorium, Agenesis of the corpus callosum, Absent large fibre tract of the corpus callosum, Sonographic images, “Sunburst” sign of ACC mesial brain surface

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Keywords : ACC, AFP, agenesis of the corpus callosum, alobar holoprosencephaly, alpha fetoprotein, Anencephaly, atrium of lateral ventricle, banana sign, cavum septum pellucidum, cavum vergae, cebocephaly, cephalocele, cerebral vermis, cerebrospinal fluid, Chiari II malformation, choroid plexus, cisterna magna, color Doppler, colpocephaly, corpus callosum, CSF, Dandy Walker complex, Dandy Walker variant, dangling choroid, encephalocele, fetal brain, fetal central nervous system anomaly, fetal cerebellum, fetal CNS anomaly, fetal neurosonography, fetal spine, fourth ventricle, frontal horn of lateral ventricle, gyri, hydrocephalus, lateral ventricle, lemon sign, lobar holoprosencephaly, MCA, meningocele, middle cerebral artery, MMC, myelomeningocele, schizencephaly, semilobar holoprosencephaly, sulci, sunburst sign, sylvian fissure, tentorium, third ventricle, ventriculomegaly

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