Alobar Holoprosencephaly

Bilateral Cleft Lip And Palate Pictures
Figure 4.14. A close-up view of the ears of the same infant showing the bilateral microtia. Ear abnormalities may be minimal or there may be total absence of the external auditory canal.

Figure 4.15. A common finding in trisomy 13 is bilateral cleft lip and palate. In this infant there is microcephaly, hypotelorism, the eyes are microphthalmic, and there is a receding forehead. On further study the infant had an alobar holoprosencephaly. In trisomy 13, central nervous system abnormalities are found in 50% or more of infants and, hence, one should check for a holo-prosencephaly defect.

Alobar Holoprosencephaly

Figure 4.16. The same infant also had an omphalocele. The finding of cleft lip and palate with an omphalocele or large umbilical hernia should alert one to the possibility of the diagnosis of trisomy 13.

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