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Striato-pallido-dentate calcifications.
Baptista, M V; Serviço de Neurologia, Hospital Egas Moniz, Lisboa.; Vale, J; Leitão, OStriato-pallido-dentate calcifications (SPDC) is a well defined entity, characterized by calcium deposits in the basal ganglia, dentate nuclei and the centrum semiovale. Several metabolic derangements have been associated with this entity, particularly parathyroid disorders. The traditional designation of Fahr's syndrome should be restricted to the idiopathic cases. The authors report a study of seven patients ...
An estimate of the prevalence of dementia and Alzheimer's disease in Portugal.
Garcia, C; Serviço de Neurologia, Hospital de Santa Maria, Lisboa.; Costa, C; Guerreiro, M; Leitão, O; de Mendonça, A; Umbelino, JThe authors projected to the Portuguese population the data on prevalence of dementia and Alzheimer's disease obtained respectively by Hofman et al. and Rocca et al through reanalyses of European epidemiological studies conducted or published between 1980 and 1990. The projection relies on the fact that the results of these reanalyses are extensive to all European countries. With this projection which is based ...
A case of Wilson's disease studied using magnetic resonance: a new approach?.
Valença, A; Goulão, A; Leitão, O; Veloso, M; Breia, A P; Guimarães, J; Evangelista, P; Maurício, J CWilson's disease is a genetically determined disorder of copper metabolism with increased deposition in brain and liver. With current imaging techniques--CT scan and conventional Nuclear Magnetic Resonance (NMR)--it has been possible to demonstrate oedema, neuronal loss and reactive gliosis, but not copper deposition. In the present study we report the observations, done in one patient, using a new high magneti...
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