%0 Journal Article %T Hiperintensidade de sinal em T1 dos n¨²cleos da base: relato de caso na encefalopatia portal sist¨ºmica esquistossom¨®tica %A MACHADO J¨²NIOR %A MARCOS ALBERTO DA COSTA %A GASPAR SOBRINHO %A FERNANDO PENA %A BARBOSA %A VER£¿NICA ALINE OLIVEIRA %A BINA %A JOS¨¦ CARLOS %A MATOS %A HUGO DE SOUSA %J Arquivos de Neuro-Psiquiatria %D 1999 %I Academia Brasileira de Neurologia - ABNEURO %R 10.1590/S0004-282X1999000200024 %X we report a case of mansonic schistosomiasis with portal systemic encephalopathy associated with a high intensity signal in basal ganglia on t1 weighted images due to deposition of manganese in tissues related with portal-systemic collateral vessels. a bibliographic review was done focusing the magnetic resonance findings. to the best of our knowledge, these signal changes have not yet been associated with manson's schistosomiasis. %K mansonic schistosomiasis %K portal-systemic encephalopathy %K basal ganglia %K manganese %K neuroradiology %K magnetic resonance image. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0004-282X1999000200024&lng=en&nrm=iso&tlng=en