Trisomy 13 with alobar holoprosencephaly

Khalil Zouiten, MD Michèle Gueneret, MD Marie Hèlène Bellegarde

This is a trisomy 13 fetus seen at 11 weeks. Note the alobar holoprosencephaly with a single ventricle, the hypotelorism, the bilateral polydactyly of hands and feet. The mother is a 27 years old primipara with unremarkable anamnesis.

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The X-rays

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