Definition

Dandy-Walker syndrome is a brain deformity present at birth consisting of a deformity of the cerebellum and the presence of cyst in the lower portion of the brain. The deformity involves an area in the back of the brain that controls movement and cognitive learning. In many cases, there is also an abnormal accumulation of cerebrospinal fluid within the ventricles of the vein. The symptoms of this syndrome may develop suddenly or may go unnoticed.

Cerebellum

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