期刊
JOURNAL OF CLINICAL ULTRASOUND
卷 50, 期 7, 页码 989-1003出版社
WILEY
DOI: 10.1002/jcu.23212
关键词
corpus callosum; magnetic resonance imaging; prenatal diagnosis; ultrasound
This article primarily focuses on the prenatal diagnosis of corpus callosum abnormalities using ultrasound and magnetic resonance imaging, including agenesis, hypoplasia, and hyperplasia.
The corpus callosum (CC) is the major interhemispheric commissure and its abnormalities include agenesis, hypoplasia, and hyperplasia. The CC anomalies are typically related to other central nervous system (CNS) or extra-CNS malformations. The antenatal diagnosis of complete CC agenesis is easy after mid-trimester by ultrasound (US) even in the axial plane. The non-visualization of cavum septum pellucidum and colpocephaly are critical signs in the axial view. More subtle findings (i.e., hypoplasia and partial agenesis) might also be recognized antenatally. In this review, the focus was given on the prenatal diagnosis of CC abnormalities in US and magnetic resonance imaging.
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