Uremic encephalopathy with bilateral basal ganglia lesions has been reported as an acute neurometabolic disease which shows reversible clinical course and brain imaging features. The exact nature and pathophysiology have not been well established. We encountered two patients who showed a relapsing and aggravating course and an atypical phenotype including parkinsonism with paroxysmal dystonic head tremor and acute onset monoparesis of the lower extremity. They also showed unusual radiological findings which revealed combined lesions in the basal ganglia and cortex, persistent hemorrhagic transformation, and focal ischemic lesion in the internal capsule. Herein, we present the unusual phenomenology with atypical radiologic findings and suggest the possible multifactorial pathogenesis of uremic encephalopathy.
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http://dx.doi.org/10.1007/s11011-015-9774-x | DOI Listing |
Alzheimers Dement
December 2024
7T Magnetic Resonance Imaging Translational Medical Center, Department of Radiology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China.
Introduction: The choroid plexus (CP) may play a crucial role in brain degeneration. We aim to assess whether CP cysts (CPCs), defined using ultra-high field magnetic resonance imaging (MRI), relate to aging and neurodegeneration.
Methods: We used multi-sequence 7T MRI to observe CPCs, characterizing their presence and characteristics in healthy younger controls, healthy older controls (OCs), patients with Alzheimer's disease (AD), patients with Parkinson's disease (PD), and patients with uremic encephalopathy.
Pediatr Int
December 2024
Department of Pediatrics, Asahikawa Medical University, Asahikawa, Hokkaido, Japan.
Background: Shiga toxin-producing Escherichia coli-associated hemolytic uremic syndrome (STEC-HUS) is a life-threatening condition complicated by acute kidney injury, acute respiratory distress syndrome, and central nervous system disorders. The early identification of high-risk patients is required to facilitate timely and appropriate treatment.
Methods: The medical records of patients with STEC-HUS treated at 11 hospitals in Hokkaido, Japan, were reviewed retrospectively.
Medicine (Baltimore)
December 2024
Department of Oncology, Loudi Central Hospital, Loudi, China.
Rationale: Catastrophic antiphospholipid syndrome (CAPS) is the most serious type of antiphospholipid antibody syndrome (APS) and can be easily confused with other disorders, such as hemolytic uremic syndrome, disseminated intravascular coagulation and thrombocytopenia syndromes. Timely diagnosis of CAPS poses considerable challenges due to its rarity and the fact that clinicians often lack knowledge of the disease.
Patient Concerns: A 21-year-old patient was 32 weeks and 5 days pregnant when she presented to the hospital with a 7-hour history of sudden onset of left-sided limb weakness with no apparent cause.
Metab Brain Dis
December 2024
Institute of Neurology (Edinger Institute), University Hospital, Goethe University Frankfurt, Frankfurt am Main, Germany.
The blood-brain barrier (BBB) is formed by microvascular endothelial cells which are ensembled with pericytes, astrocytes, microglia and neurons in the neurovascular unit (NVU) that is crucial for neuronal function. Given that the NVU and the BBB are highly dynamic and regulated structures, their integrity is continuously challenged by intrinsic and extrinsic factors. Herein, factors from peripheral organs such as gonadal and adrenal hormones may influence vascular function also in CNS endothelial cells in a sex- and age-dependent manner.
View Article and Find Full Text PDFBehav Brain Res
March 2025
Radiology and Neuroradiology Unit, Department of Imaging, Radiation Therapy and Hematology, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo A. Gemelli, 1, Rome 00168, Italy.
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