ArticleMovement disorders clinical practice2023
Mimics or Multiplicity: 2 Cases of Rare Neurological Conditions Discovered Following Presentation with Richardson's Syndrome Phenotype.
Article in Movement disorders clinical practice, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 1 citations in OpenAlex.
- PSP-Richardson's Syndrome as a Rare Phenotypic Expression of Very Late-Onset Huntington's Disease: A Case Report.Movement disorders clinical practice · 2024Article
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4 authors at 2 institutions in 1 country.
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Abstract
Background: Progressive supranuclear palsy (PSP)-Richardson's syndrome (RS) presents with a distinctive clinical phenotype of supranuclear ophthalmoplegia, parkinsonism, postural instability with falls, and cognitive impairment. Several rare neurological conditions have been described that mimic PSP, and the co-occurrence of dual pathologies has also been described. Cases: In this article, we present 2 cases of patients who presented with a parkinsonian phenotype suggestive of PSP-RS. In 1 case, a family history and early levodopa-induced chorea led to testing for Huntington's disease, and a pathogenic Conclusions: These observations raised the possibility that HD and fragile-X tremor-ataxia syndrome may on occasion present with PSP-RS. Alternatively, and perhaps more likely, is the co-occurrence of 2 rare neurodegenerative conditions. Neuropathological studies of cases involving complex phenotypes in rare genetic conditions are required to better understand the likely pathologies in cases such as these.
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