Cyclopia is a rare congenital fetal anomaly, characterized by a single median eye and a grotesquily shaped nose(proboscis) that arises from the supraorbital area. It is consistently associated with serere holoprosencephaly, which is the failure of cleavage of the prosencephalon with a deficite in the midiline facial development. Holoprosencepphaly occurs in as many as 1 to 2 % of diabetic mothers. A case of cyclopia delivered from a diabetic mother is presented with a brief review of literatures.
Holoprosencephaly ; Humans ; Mothers* ; Prosencephalon

Cyclopia is rare congenital craniofacial anomaly, in which the eyes are fused together and located in a single orbit. It is consistently associated with severe holoprosencephaly, which is the failure of cleavage of the prosencephalon with a deficit in the midline facial development. chromosomal study revealed 47, X( ), +13 (Patau syndrome).
Holoprosencephaly ; Orbit ; Prosencephalon ; Trisomy*

No abstract available.
Animals ; Brain* ; Ischemia* ; Prosencephalon* ; Rats*

Holoprosencephaly is a rare developmental defect due to incomplete cleavages of the prosencephalon during the third week of fetal development. It was associated with chromosomal anomalies, genetic syndrome, teratogen, or genetic disorder of non-syndromic HPE. Early antenatal detection of holoprosencephaly was done by high resolution ultrasonography. According to its severity and prognosis, it was capable of proper treatment of holoprosencephaly. We report one case of holoprosencephaly with a brief review of the literature
Fetal Development ; Holoprosencephaly* ; Prognosis ; Prosencephalon ; Ultrasonography

No abstract available.
Animals ; Dynorphins* ; Enkephalins* ; Prosencephalon* ; Rats* ; RNA, Messenger*

Holoprosencephaly is a rare complex cerebral anomaly produced by a failure of cleavage of the prosencephalon. The association of brain anomalies and facial dysmorphism is a typical finding. There are three types(alobar, semilobar, and lobar) of holoprosencephaly. Among these the alobar type has the worst prognosis. The early antenatal diagnosis of the holoprosencephaly is very important determinant for initiating the therapeutic abortion. We report 3 cases of alobar holoprosencephaly with the brief review of the literature.
Abortion, Therapeutic ; Brain ; Female ; Holoprosencephaly* ; Pregnancy ; Prenatal Diagnosis ; Prognosis ; Prosencephalon

Holoprosencephaly is a complex abnormality of the forebrain that is postulated to derive from a failure in the diverticulation of the embryonic prosencephalon. Early antenatal diagnosis of holoprosencephaly is important to find out its severity, to predict its prognosis and to determine proper treatment according to its prognosis and severity. With recent development of high resolution ultrasonography, it is possible to detect a fetus with holoprosencephaly at early antenatal period. We report a case of alobar holoprosencephaly, diagnosed antenatally with its sonographic and autopsy finding.
Autopsy ; Fetus ; Holoprosencephaly* ; Prenatal Diagnosis ; Prognosis ; Prosencephalon ; Ultrasonography

Holoprosencephaly is a developmental malformation complex of forebrain and midface which arises from incomplete cleavage of the embryonic forebrain. It is subdivided into alobar, semilobar and lobar types based on the degree of growth disturbance within the anterior wall of the telencephalon, particularly in the midline. Cyclopia is the most severe form of alobar holoprosencephaly presenting a single median eye and a blind-ending proboscis usually located above the eye. We report a case of alobar holoprosencephaly with cyclopia and proboscis in premature infant.
Holoprosencephaly* ; Humans ; Infant, Newborn ; Infant, Premature ; Prosencephalon ; Telencephalon

No abstract available.
Brain* ; Glutamic Acid* ; Intracranial Aneurysm ; Ischemia* ; Prosencephalon* ; Rats, Inbred SHR*

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.
Fetal Development ; Holoprosencephaly* ; Mesoderm ; Notochord ; Prenatal Diagnosis ; Prognosis ; Prosencephalon ; Ultrasonography