Anencephaly

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Neural System - Abnormalities#Anencephaly

Introduction

Anencephaly Rates (USA Data)^[1]

This is a neural tube defect, the basis of the abnormality is a failure of the neural tube to close cranially. Also called exencephaly or craniorachischisis.

Links: Low Folic Acid and NTDs | International Classification of Diseases - Neural

Some Recent Findings

More recent papers
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International Classification of Diseases
Q00 Anencephaly and similar malformations Q00.0 Anencephaly, Acephaly, Acrania, Amyelencephaly, Hemianencephaly, Hemicephaly Q00.1 Craniorachischisis Q00.2 Iniencephaly

Fetal Anencephaly

ventral view	lateral view

Anencephaly in a fetus (GA week 18) from a diabetic mother. Ultrasound images (coronal) show a complete absence of the cranial vault and brain and enlarged orbits.^[2]

Links: maternal diabetes