Echogenicity of the substantia nigra region in Parkinson's disease
نویسندگان
چکیده
منابع مشابه
Echogenicity of the substantia nigra region in Parkinson's disease.
Hospital das Clínicas, University of São Paulo School of Medicine (FMUSP), São Paulo, Brazil. Correspondence: Edson Bor-Seng-Shu; Divisão de Cirurgia Neurológica, Hospital das Clínicas, USP; Avenida Dr. Eneas de Carvalho Aguiar 255; 05403-000 São Paulo SP Brasil; E-mail: [email protected] Conflict of interest: There is no conflict of interest to declare. Received 04 September 2011; Received ...
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BACKGROUND Patients with Parkinson's disease (PD) exhibit an increased echogenicity of the substantia nigra (SN) on transcranial sonography. Some healthy adults with the same echo characteristics showed a reduced 18fluorodopa uptake on PET, indicating a subclinical alteration of the nigrostriatal system. OBJECTIVES To determine whether the sonographic phenotype of hyperechogenic SN has any re...
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Hyperechogenicity of the substantia nigra (SN+) is an imaging marker which may be detected in individuals at risk for Parkinson’s disease (PD). In this short commentary, the evidence of SN+ as a risk marker for PD including its predictive value, stability and the limitations in assessment are discussed based on the current literature.
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REFERENCES 1. BALY, F. A., History ofSouthport, Southport, Angus Downie, 1955, p. 37. 2. BmuxmHourr, J., An Essay on the Bite of a Mad Dog, London, R. Baldwin, 1783. 3. British Museum, Add. MS. 36876. 4. FoHRGLL, J., 'The Case of a Hydrophobia', in: Medical Observations and Enquiries, 2nd ed., 1779, vol. 5, p. 195. 5. HBYSHAM, J., Dissertatio Medica de Rabie Canina, Edinburgh, 1777. Information...
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ژورنال
عنوان ژورنال: Arquivos de Neuro-Psiquiatria
سال: 2012
ISSN: 0004-282X
DOI: 10.1590/s0004-282x2012000200016