Anencephaly

Case contributed by Mostafa Elfeky
Diagnosis almost certain

Presentation

Routine first trimester scan.

Patient Data

Age: 17 weeks gestation
Gender: Female

1st trimester obestetric US

ultrasound

Single live intrauterine fetus (17 weeks) with small sized head, maldeveloped brain and skull bones. It shows active movements and good cardiac pulsations during the examination.

Case Discussion

The fetus in this case has a characteristic "frog eye" appearance with undeveloped skull vault bones and no parenchymal brain tissues are seen above the orbits in-keeping with anencephaly. Abortion is recommended as it is incompatible with life.

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