Korean J Obstet Gynecol.  1999 Aug;42(8):1869-1876.

Two Cases of Holoprosencephaly

Abstract

Holoprosencephaly is a rare malformation complex or development defect including different degrees of incomplete cleavages of the embryonic prosencephalon and varying degrees of the midface defects, resulting from the defect of prechordal mesoderm, migrating forward into the area anterior to the notochord during the third week of fetal development. Early antenatal diagnosis of holoprosencephaly is important to find out its severity, to predict its prognosis, and to determine proper management according to its prognosis and severity. The possibility of early antenatal diagnosis of holoprosencephaly by ultrasound has been suggested, but occasionally missed and rarely confirmed. We present one case of lobar holoprosencephaly, diagnosed postnatally and one case of alobar holoprosencephaly, diagnosed antenatally in our hospitals.

Keyword

Holoprosencephaly; Prechordal mesoderm; Antenatal diagnosis

MeSH Terms

Fetal Development
Holoprosencephaly*
Mesoderm
Notochord
Prenatal Diagnosis
Prognosis
Prosencephalon
Ultrasonography
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