Abstract:
Hydraencephaly is a rare congenital disorder of the central nervous system that affects about 1/5000 newborns, characterized by the complete absence of the cerebral hemispheres replaced by cephalospinal fluid and debris of the cerebral cortex [1]. Usually the cerebellum and brainstem are intact. Hydraencephaly can affect only one hemisphere (hemihydraencephaly) which is even rare and generally has a better prognosis. Its pathophysiology is still poorly understood and subject to multiple studies, In the literature, the most proposed etiology is bilateral thrombosis of the carotid arteries [1,2].
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