Case contributed by Dr Islam Mohamed El Gezeiry


Routine antenatal ultrasound scan at 17 weeks of gestational age.

Patient Data

Age: 20 years
Gender: Female

A single intrauterine fetus at 17 weeks of gestation by AC and FL, with an absence of brain tissue and bony calvarium and a "Frog eye" appearance upon coronal section of the face.

3D images showing absence of the cranial vault.

Case Discussion

Anencephaly is the most severe form of cranial neural tube defect (NTD) and is characterized by the absence of cortical tissue (although brainstem and cerebellum may be variably present) as well as absence of the cranial vault.

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Case information

rID: 43701
Published: 22nd Mar 2016
Last edited: 25th Apr 2021
System: Obstetrics
Inclusion in quiz mode: Excluded

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