The discovery of an arachnoid cyst in a person with a psychotic disorder raises diagnostic and therapeutic problems that are extremely significant from a clinical point of view [ 11 , 12 , 15 , 18 - 20 ].
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The discovery of an arachnoid cyst in a person with a psychotic disorder raises diagnostic and therapeutic problems that are extremely significant from a clinical point of view [ 11 , 12 , 15 , 18 - 20 ].