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In clinical practice, various diseases manifest as extrapyramidal symptoms. Diagnosing these disorders is crucial, as they are often accompanied by psychiatric symptoms and other systemic manifestations that affect prognosis, in addition to motor symptoms. This article provides an overview of Huntington's disease, neuroacanthocytosis, hereditary dystonia, and ADCY5-related dyskinesia, which are relatively prevalent in the Japanese clinical setting. The discussion centers on motor symptoms, therapeutic approaches, and underlying genetic causes.
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http://dx.doi.org/10.11477/mf.188160960770050455 | DOI Listing |
J Neurol
September 2025
Neuroimaging Research Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy.
Background: The "Systematic Screening of Handwriting Difficulties in Parkinson's Disease" (SOS) test is the only tool specifically designed to evaluate handwriting in people with Parkinson's Disease (pwPD). It is language specific.
Objective: To assess the construct validity, intrarater and interrater reliability of the Italian version of the SOS test.
Neurol Neurochir Pol
September 2025
Department of Neurology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland.
Eur J Neurol
September 2025
Department of Neuroscience 'Rita Levi Montalcini', University of Torino, Torino, Italy.
Background: The factors contributing to a poor response to subthalamic nucleus deep brain stimulation (STN-DBS) in Parkinson's disease (PD) are not yet fully understood. Accordingly, predicting the outcome might be challenging particularly in those who display an optimal response to the Levodopa challenge test.
Objective: To determine which factors may contribute to poor outcome of STN-DBS in PD.
Magn Reson Lett
May 2025
Department of Medical Imaging, Tianjin First Central Hospital, Tianjin, 300192, China.
Hepatic encephalopathy (HE) is a neurological condition that occurs as a complication of liver dysfunction that involves sensorimotor symptoms in addition to cognitive and behavioral changes, particularly in cases of severe liver disease or cirrhosis. Previous studies have reported spatially distributed structural and functional abnormalities related to HE, but the exact relationship between the structural and functional alterations with respect to disease progression remains unclear. In this study, we performed surface-based cortical thickness comparisons and functional connectivity (FC) analyses between three cross-sectional groups: healthy controls (HC, = 51), patients with minimal hepatic encephalopathy (MHE, = 50), patients with overt hepatic encephalopathy (OHE, = 51).
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August 2025
Department of Neurology, University Hospital and Faculty of Medicine and Dentistry, Palacký University, Olomouc, Czechia.
Introduction: Peri-lead edema (PLE) is a commonly observed but often asymptomatic complication of deep brain stimulation (DBS). While usually transient and benign, severe cases of PLE can result in neurological symptoms, impacting patient outcomes. This case series explores the clinical course, management, and outcomes of symptomatic PLE in a series of five patients undergoing DBS.
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