Abstract
Four patients with pseudobulbar palsy, mental retardation and various degrees of speech disturbance associated with perinatal difficulties are described as having an acquired type of opercular syndrome. There were two patients with fetal bradycardia and three with subarachnoid haemorrhage and neonatal convulsion. Magnetic resonance imaging revealed cortical atrophy in the bilateral opercula with some signal abnormalities in the underlying white matter in common. Single photon emission computed tomography (SPECT) also confirmed the presence of hypoperfusion in the regions. Although the opercular syndrome is a clinical entity with a multitude of underlying pathologies, perinatal difficulties could be an important cause of the acquired type.
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