A 34 year old patient presented with a schizophrenialike clinical picture, and was later found to have a large vein of Galen Arteriovenous Malformation (AVM). There are reports in the literature suggesting that vein of Galen AVMs are associated with psychiatric symptoms. However, the clinical pictures tend to be non specific. We discuss the relevance of the association of vein of Galen AVMs with schizophrenia-like symptomatology.
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