Volume analysis and localization of midbrain hyperechogenecities via TCS and MRI
Objective: We are presenting follow-up results on our previous study for 3D volumetric measurements of SN hyper-echogenicities, to differentiate PD patients from healthy controls (HC).…Substantia nigra hyperechogenicity in male methamphetamine users
Objective: To investigate the effect of sex on substantia nigra (SN) echogenicity in young-to-middle aged adults with a history of methamphetamine use. Background: The sonographic…Evaluation of serum sestrin protein in Parkinson’s disease: a plausible diagnostic marker
Objective: In this study, we evaluated the concentrations of sesn1 and sesn2 in the serum of 50 PD patients and 60 elderly controls. Aging is…Cardiac 123I-MIBG Scintigraphy, olfactory testing and transcranial sonography for differentiating between Parkinson’s disease and atypical parkinsonian syndromes during the early stage
Objective: To evaluate the utility of the combined use of cardiac metaiodobenzylguanidine (MIBG) scintigraphy, olfactory testing, and substantia nigra (SN) hyperechogenicity on transcranial sonography (TCS)…A follow-up study of hyperechogenicity of the substantia nigra in Parkinson’s disease and atypical parkinsonian syndrome
Objective: To evaluate whether the hyperechogenic size of the substantia nigra changes with time in Parkinson's disease (PD) and atypical parkinsonian syndromes (APSs), such as…Diagnostic value of a new coronal examination plane in transcranial nigral sonography and of additional M-mode tremor frequency determination for the differentiation of idiopathic Parkinson’s disease and essential tremor
Objective: To (1) evaluate a new coronal examination plane in comparison to the established axial examination plane for detection of nigral hyperechogenicity and (2) to…Frequency of echogenic abnormality of the substantia nigra is increased in methamphetamine users
Objective: To investigate structural abnormality of the substantia nigra (SN) in methamphetamine users using transcranial sonography (TCS). Background: Epidemiologic studies suggest that chronic use of…Substantia nigra hyperechogenicity in Parkinson´s disease motor phenotypes
Objective: To evaluate substantia nigra hyperechogenicity (SN+) with transcranial sonography (TCS) in different PD motor subtypes. Background: Parkinson´s disease (PD) patients display a range of…Evolution of mild Parkinsonian signs in a longitudinal population-based cohort
Objective: To investigate evolution of mild Parkinsonian signs (MPS) in an ongoing longitudinal study on Parkinson's disease (PD). Background: Mild motor impairmant may progress to…MRI signatures of the brain of Parkinson’s disease and idiopathic REM sleep behavioral disorder subjects
Objective: To characterize brain microstructural integrity, iron loads, and functional connectivity in 10 idiopathic rapid eye movement sleep behavior disorder (RBD), 10 Parkinson's disease (PD)…
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