Use this URL to cite or link to this record in EThOS: http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.626777
Title: Unravelling the tangled web of atypical parkinsonism
Author: Ling, H.
ISNI:       0000 0004 5363 5704
Awarding Body: University College London (University of London)
Current Institution: University College London (University of London)
Date of Award: 2014
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Abstract:
This thesis focuses on sporadic parkinsonian syndromes that are associated with neurofibrillary degeneration and the accumulation of abnormal tau protein in the brain. The classic clinical presentation of corticobasal degeneration is a specific constellation of cortical and extrapyramidal signs, collectively termed corticobasal syndrome. The evaluation of all the archival cases with corticobasal degeneration in the Queen Square Brain Bank for Neurological Disorders reveals the high frequency of other phenotypic presentations. The result indicates that corticobasal degeneration commonly presents with a clinical picture, closely resembling progressive supranuclear palsy (PSP) or Richardson’s syndrome. On the other hand, cases with typical PSP pathology may occasionally present with a corticobasal syndrome. A quantitative assessment of the severity of tau pathology in different brain regions of the two phenotypic presentations of PSP reveals topographical differences that are closely linked with their respective clinical features. The features of repetitive finger tapping and handwriting in patients with PSP and Parkinson’s disease are compared and a distinct abnormality is identified in PSP which may be useful in differentiating PSP-parkinsonism from Parkinson’s disease. Twelve cases clinically presenting with a levodopa-responsive parkinsonian syndrome and post-mortem findings of nigral degeneration and predominant tau inclusions, which could not be readily classified into any recognised clinicopathological entity are also studied.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID: uk.bl.ethos.626777  DOI: Not available
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