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Arq. neuropsiquiatr ; 74(7): 587-596, tab, graf
Article Dans Anglais | LILACS | ID: lil-787364

Résumé

ABSTRACT Neurodegeneration with brain iron accumulation (NBIA) represents a heterogeneous and complex group of inherited neurodegenerative diseases, characterized by excessive iron accumulation, particularly in the basal ganglia. Common clinical features of NBIA include movement disorders, particularly parkinsonism and dystonia, cognitive dysfunction, pyramidal signs, and retinal abnormalities. The forms of NBIA described to date include pantothenase kinase-associated neurodegeneration (PKAN), phospholipase A2 associated neurodegeneration (PLAN), neuroferritinopathy, aceruloplasminemia, beta-propeller protein-associated neurodegeneration (BPAN), Kufor-Rakeb syndrome, mitochondrial membrane protein-associated neurodegeneration (MPAN), fatty acid hydroxylase-associated neurodegeneration (FAHN), coenzyme A synthase protein-associated neurodegeneration (CoPAN) and Woodhouse-Sakati syndrome. This review is a diagnostic approach for NBIA cases, from clinical features and brain imaging findings to the genetic etiology.


RESUMO A neurodegeneração com acúmulo cerebral de ferro (sigla em inglês NBIA) representa um grupo heterogêneo e complexo de doenças neurodegenerativas hereditárias, caracterizada pelo acúmulo cerebral de ferro, especialmente nos núcleos da base. O quadro clínico das NBIAs em geral inclui distúrbios do movimento, particularmente parkinsonismo e distonia, disfunção cognitiva, sinais piramidais e anormalidades da retina. As formas de NBIA descritas até o momento incluem neurodegeneração associada a pantothenase kinase (PKAN), neurodegeneração associada a phospholipase A2 (PLAN), neuroferritinopatia, aceruloplasminemia, neurodegeneração associada a beta-propeller protein (BPAN), síndrome de Kufor-Rakeb, neurodegeneração associada a mitochondrial membrane protein (MPAN), neurodegeneração associada a “fatty acid hydroxylase” (FAHN), neurodegeneração associada a coenzyme A synthase protein (CoPAN) e síndrome de Woodhouse-Sakati. Esta revisão é uma orientação para o diagnóstico das NBIAs, partindo das características clínicas e achados de neuroimagem, até a etiologia genética.


Sujets)
Humains , Dystrophies neuroaxonales/génétique , Dystrophies neuroaxonales/imagerie diagnostique , Troubles du métabolisme du fer/génétique , Troubles du métabolisme du fer/imagerie diagnostique , Neuroimagerie/méthodes , Mutation , Troubles du rythme cardiaque/génétique , Troubles du rythme cardiaque/imagerie diagnostique , Affections des ganglions de la base/génétique , Affections des ganglions de la base/imagerie diagnostique , Céruloplasmine/déficit , Céruloplasmine/génétique , Coenzyme A ligases/génétique , Maladies neurodégénératives héréditaires/génétique , Maladies neurodégénératives héréditaires/imagerie diagnostique , Diabète/génétique , Diabète/imagerie diagnostique , Alopécie/génétique , Alopécie/imagerie diagnostique , Hypogonadisme/génétique , Hypogonadisme/imagerie diagnostique
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