ANENCEPHALY
SHORT VIDEO EXPLANING RADIOLOGY OF ANENCEPHALY
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Acrania is absence of cranial vault bones, basal skull bones are present
Anencephaly –
Absence of cranial vault and cerebral hemisheres
Most severe form of NT defects
Because of the failure of closure of cranial end of NT
Facial structures and orbits are present
Brain stem and cerebellum are present
Frog eye sign on usg
Ass with polyhydramnios