Giant aneurysm causing frontal lobe syndrome.
A 67-year-old patient with a completely thrombosed giant aneurysm of the anterior communicating artery is described. The only neurological findings were a disturbance of stance and gait and slight bilateral grasp reflexes. He had had the features of a frontal lobe psychotic syndrome for more than 12 years. Computed tomography demonstrated a primarily hyperdense calcified suprasellar space-occupying lesion. Magnetic resonance imaging proved valuable in establishing the correct diagnosis, which was confirmed post mortem.
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