Home > Head > A variant form of Dandy Walker Syndrome?

A variant form of Dandy Walker Syndrome?

We had a new patient who came to hospital because of motocycle accident with head injury so that he has scanned with ct scanner. On ct scanner we found that he had an opening (a channel) between fourth ventricle and cisterna magna caused enlarged cisterna magna behide the cerebellum.

Now let’s take a look at the following information about Dandky Walker syndrome:

Dandy-Walker Syndrome is a congenital brain malformation involving the cerebellum (an area at the back of the brain that controls movement) and the fluid-filled spaces around it. The key features of this syndrome are an enlargement of the fourth ventricle (a small channel that allows fluid to flow freely between the upper and lower areas of the brain and spinal cord), a partial or complete absence of the area of the brain between the two cerebellar hemispheres (cerebellar vermis), and cyst formation near the internal base of the skull. An increase in the size of the fluid spaces surrounding the brain as well as an increase in pressure may also be present.

The syndrome can appear dramatically or develop unnoticed. Symptoms, which often occur in early infancy, include slow motor development and progressive enlargement of the skull. In older children, symptoms of increased intracranial pressure such as irritability, vomiting, and convulsions, and signs of cerebellar dysfunction such as unsteadiness, lack of muscle coordination, or jerky movements of the eyes may occur. Other symptoms include increased head circumference, bulging at the back of the skull, problems with the nerves that control the eyes, face and neck, and abnormal breathing patterns.

Dandy-Walker Syndrome is frequently associated with disorders of other areas of the central nervous system, including absence of the area made up of nerve fibers connecting the two cerebral hemispheres (corpus callosum) and malformations of the heart, face, limbs, fingers and toes.
(Source: http://www.ninds.nih.gov/disorders/dandywalker/dandywalker.htm

Here are some pictures from head ct scanner:

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Categories: Head
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