Vein of Galen malformation

Case contributed by Dr Fakhry Mahmoud Ebouda


Abnormal head enlargement shortly after birth.

Patient Data

Age: 5 years
Gender: Male

MRI shows an enlarged midline flow void vascular structure below the splenium of the corpus callosum.

It exerts mass effect in the form of compression of the aqueduct and 3rd ventricle anteriorly with secondary hydrocephalic effect and CSF flow retardation.

Case Discussion

Typical MRI appearances of a vein of Galen malformation.

This actually represents a dilated median prosencephalic vein that is draining via a persistent falcine sinus.

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Case information

rID: 34605
Published: 28th Feb 2015
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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