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Arquivos de Neuro-Psiquiatria

Print version ISSN 0004-282X


SILVA, Amauri Batista da; PRATESI, Riccardo  and  BRASIL NETTO, Joaquim Pereira. Alexia without agraphia: a clinico-tomographic study. Arq. Neuro-Psiquiatr. [online]. 1986, vol.44, n.3, pp.267-274. ISSN 0004-282X.

The authors report the clinical findings and CT-scanning results in two cases of alexia without agraphia and review the literature on this subject. Both patients had extensive infarction in the territory supplied by the left posterior cerebral artery and developed severe alexia without agraphia, right hemianopia without color-anomia and one of them presented with transient verbal memory difficulties. In both cases the evolution was very good, with total regression of the alexia after 17 months in the first patient and almost complete recovery after there months in the second one. The authors comment on the causes and possible mechanisms of the alexias, especially of the alexia without agraphia, and suggest that every patient with right hemianopic disturbances due to occlusion of the left posterior cerebral artery be thouroughly studied from a neurological point of view, so that this syndrome can be detected since, notwithstanding its recognized rarity, it seems highly probable that many cases have been overlooked as a result of incomplete examination of the patients.

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