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Please use this identifier to cite or link to this item: http://comum.rcaap.pt/handle/123456789/2519

Title: Wallerian degeneration after stroke: a new prognostic factor?
Other Titles: Degenerescência Walleriana pós-enfarte: um novo factor de prognóstico?
Authors: Soares-Fernandes, J
Beleza, P
Ribeiro, M
Maré, R
Almeida, F
Rocha, J
Keywords: Degenescência Walleriana
Acidente Vascular Cerebral
Issue Date: 2006
Citation: Acta Med Port. 2006;19(6):499-502
Abstract: Wallerian degeneration (WD) after ischemic stroke has been associated to persistent motor impairment, but signal intensity changes on conventional magnetic resonance imaging (MRI) are generally not detected until four weeks after the event. We report a 54 year old male patient, referred to our hospital for sudden-onset left hemiparesis. Cerebral CT showed right fronto-parietal infarct (middle cerebral artery stroke). We performed two CT control, which revealed no haemorrhagic transformation. MRI, obtained 13 days after the onset, demonstrated the infarct, mainly subcortical, extending throughout fronto-temporo-parietal areas and restricted diffusion in the ipsilateral corticospinal tract. In conclusion, WD is apparent on diffusion-weighted imaging within two weeks of stroke, allowing a better prognostic evaluation of recovery. The abnormal signal should not be misinterpreted as new ischaemic lesions.
Peer Reviewed: yes
URI: http://comum.rcaap.pt/handle/123456789/2519
Appears in Collections:HB - NEU - Artigos
HB - NRAD - Artigos

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