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1.
Arq Neuropsiquiatr ; 62(4): 1085-9, 2004 Dec.
Article in English | MEDLINE | ID: mdl-15608974

ABSTRACT

Cerebrotendinous xanthomatosis is a treatable rare autossomal recessive disease characterized by lipid storage secondary to a sterol 27-hydroxylase deficiency in the formation of cholic and chenodeoxycholic acids. We describe two Brazilian brothers with cognitive impairement and chronic diarrhea. One of them also presents bilateral cataracts. Neurological findings were progressive walking deficit, limb ataxia and pyramidal signs. Both patients had bilateral Achilles tendon xanthomata. Magnetic resonance image showed signal alterations in cerebellar hemispheres. We describe these cases with molecular genetic analysis confirming diagnosis and comparing with previous literature. The CYP27A1 gene study showed a C1187T mutation on exon 6.


Subject(s)
Mutation , Steroid Hydroxylases/genetics , Xanthomatosis, Cerebrotendinous/genetics , Adult , Cholestanetriol 26-Monooxygenase , Humans , Magnetic Resonance Imaging , Male , Middle Aged , Siblings , Xanthomatosis, Cerebrotendinous/complications , Xanthomatosis, Cerebrotendinous/diagnosis
2.
Arq. neuropsiquiatr ; Arq. neuropsiquiatr;62(4): 1085-1089, dez. 2004. ilus, tab
Article in English | LILACS | ID: lil-390682

ABSTRACT

Xantomatose cerebrotendínea é doença autossômica recessiva tratável causada pelo acúmulo de lipídeos por deficiência da enzima 27-esterol hidroxilase na produção de ácido cólico e deoxicólico. Descrevemos dois irmãos brasileiros com dificuldade cognitiva e diarréia crônica. Um deles apresentava catarata bilateral. Os achados neurológicos foram dificuldade progressiva para deambular, ataxia de membros e sinais piramidais. Ambos tinham xantomas de tendão aquileu bilateralmente. O exame de ressonância magnética revelou áreas de sinal hiperintenso em ambos os hemisférios cerebelares. Descrevemos os casos com diagnóstico genético comparando-os com a literatura. O estudo do gene CYP27A1 demonstrou a mutação C1183T no exon 6.


Subject(s)
Adult , Middle Aged , Humans , Male , Mutation , Steroid Hydroxylases/genetics , Xanthomatosis, Cerebrotendinous/genetics , Magnetic Resonance Imaging , Xanthomatosis, Cerebrotendinous/complications , Xanthomatosis, Cerebrotendinous/diagnosis
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