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[Paraneoplastic opsoclonus-myoclonus syndrome].
Zh Nevrol Psikhiatr Im S S Korsakova
December 2024
Kemerovo State Medical University, Kemerovo, Russia.
Opsoclonus-myoclonus syndrome (OMS) is a rare neurological disorder characterized by a combination of main symptoms: opsoclonus, myoclonus, ataxia, psychoemotional and behavioral disturbances. OMS can develop in children as a result of immunopathological processes against the background of infectious or oncological pathology and lead to persistent neurological deficit. A case of ten-year observation of paraneoplastic OMS associated with neuroblastoma in a child is presented.
View Article and Find Full Text PDFApolipoprotein E epsilon4 allele is associated with better performance language and visual memory in spinocerebellar ataxia type 3.
Eur J Neurol
January 2025
School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China.
Background: The regulatory role of the apolipoprotein E (APOE) ε4 allele in the clinical manifestations of spinocerebellar ataxia type 3 (SCA3) remains unclear. This study aimed to evaluate the impact of the APOE ε4 allele on cognitive and motor functions in SCA3 patients.
Methods: This study included 281 unrelated SCA3 patients and 182 controls.
A Japanese Family with a Novel Pathogenic Variant in KIF1A Presenting with Spastic Paraparesis, Cerebellar Ataxia, and Intellectual Disability.
Cerebellum
December 2024
Department of Neurology, International University of Health and Welfare Mita Hospital, Mita 1-4-3, Minato-ku, Tokyo, 108-8329, Japan.
Variants in KIF1A are associated with hereditary spastic paraplegia (SPG30), which can manifest in both pure and complex forms. We describe a Japanese family with a novel KIF1A variant presenting with a complex form of SPG30. Patient 1, a 69-year-old woman, experienced progressive gait disturbance due to spastic paraparesis and cerebellar atrophy, and intellectual disability.
View Article and Find Full Text PDFClinical Reasoning: Clinical Manifestations and Diagnostic Challenges in a 16-Year-Old With Early-Onset Ataxia.
Neurology
January 2025
Department of Neurology, National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, India; and.
A 16-year-old adolescent girl presented with progressive walking imbalance, uncoordination of her limbs, impaired proprioceptive sensation distal to her wrists and ankles, and sensorineural hearing loss. Her evaluation revealed diffuse cerebellar atrophy, a demyelinating neuropathy, and hypergonadotropic hypogonadism. In this article, we present a systematic approach to a patient with early-onset ataxia, cerebellar atrophy, and demyelinating neuropathy.
View Article and Find Full Text PDFUnravelling Heterogeneity: A Rare PNPT1 Variant in Childhood-Onset Spinocerebellar Ataxia with Sensorineural Hearing Loss.
Cerebellum
December 2024
Department of Neurology, Ramaiah Medical College and Hospitals, Ramaiah University of Applied Sciences, Bengaluru, India.
Spinocerebellar ataxias (SCAs) are a diverse and heterogeneous group of inherited neurodegenerative disorders marked by progressive ataxia and cerebellar degeneration. This case report details an 11-year-old Indian boy with childhood-onset ataxia and severe sensorineural hearing loss, a rarely reported concomitance in pediatric neurology. Genetic analysis identified a unique heterozygous 3' splice site variant in the PNPT1 gene (c.
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