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  • Title: Fetal central nervous system abnormalities.
    Author: Spirt BA, Oliphant M, Gordon LP.
    Journal: Radiol Clin North Am; 1990 Jan; 28(1):59-73. PubMed ID: 2404306.
    Abstract:
    The advances in the sonographic imaging of the fetus have made the detailed examination of the fetal central nervous system (CNS) a routine part of the prenatal sonogram. A logical sonographic approach to the diagnosis of fetal CNS abnormalities is presented, based on the normal sonographic anatomy and the understanding of CNS pathology. This approach results in a classification of CNS abnormalities derived from ultrasound findings. The main categories are (1) hydrocephalus, (2) entities that mimic hydrocephalus, and (3) neural tube defects. Once a disorder is classified and all ultrasound abnormalities identified, a differential diagnosis can be developed.
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