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versão impressa ISSN 0120-4157


MILLAN, Paula Andrea et al. Biopercular syndrome: report of two cases and literature review. Biomédica [online]. 2008, vol.28, n.2, pp.183-190. ISSN 0120-4157.

The anterior opercular or biopercular syndrome is a cortical pseudobulbar palsy due to bilateral lesions of the anterior brain operculum. It is characterized by preservation of reflex function and automatic activity, without mental impairment. Two cases are reported herein and the relevant literature reviewed. The first case was a 73-year-old female with a history of a stroke occurring seven years previously, without sequelae in the interim. She presented with sudden loss of consciousness. The neurological examination showed a right facial central palsy and anarthria, with reflex acts such as smiling, blinking and yawning, not elicited by commands; she also had a right hemiparesis and walking impairment. A brain CT scan showed an old ischemic infarction in the region of the right medial cerebral artery. Because the right motor involvement did not correlate with the findings of the initial CT scan, another CT scan two days later showed an acute brain infarction in the vicinity of the left medial cerebral artery. The second case was an 8-year-old girl with mental retardation and impairment of verbal development, caused by of biopercular pachygyria. Facio-pharyngo-glosso-masticatory diplegia and volitional selective palsy of the oro-facial muscles was seen in both patients. The neuropsychological assessment showed cognitive, emotional and social interaction impairment in both cases -as part of the frontal convexity syndrome in the first case and of mental retardation in the second. The two patients had difficulty in mastication and swallowing. The prognosis for recovery of verbal capacity is poor, although generally most patients recover the ability to swallow.

Palavras-chave : cerebral infarction; pseudobulbar palsy; mental retardation; deglutition disorders; language disorders.

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