| Autor: |
Tiburtino Meira, Alex, Oleschko Arruda, Walter, Eiji Ono, Sergio, de Carvalho Neto, Arnolfo, Raskin, Salmo, Camargo, Carlos Henrique F., Teive, Hélio Afonso G. |
| Předmět: |
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| Zdroj: |
Tremor & Other Hyperkinetic Movements; 2019, p1-8, 8p |
| Abstrakt: |
Background: The spinocerebellar ataxias (SCAs) are a group of autosomal dominant degenerative diseases characterized by cerebellar ataxia. Classified according to gene discovery, specific features of the SCAs - clinical, laboratorial, and neuroradiological (NR) - can facilitate establishing the diagnosis. The purpose of this study was to review the particular NR abnormalities in the main SCAs. Methods: We conducted a literature search on this topic. Results: The main NR characteristics of brain imaging (magnetic resonance imaging or computerized tomography) in SCAs were: (1) pure cerebellar atrophy; (2) cerebellar atrophy with other findings (e.g., pontine, olivopontocerebellar, spinal, cortical, or subcortical atrophy; "hot cross bun sign", and demyelinating lesions); (3) selective cerebellar atrophy; (4) no cerebellar atrophy. Discussion: The main NR abnormalities in the commonest SCAs, are not pathognomonic of any specific genotype, but can be helpful in limiting the diagnostic options. We are progressing to a better understanding of the SCAs, not only genetically, but also pathologically; NR is helpful in the challenge of diagnosing the specific genotype of SCA. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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