Bilateral thalamic primary gliomas are an exceedingly rare entity. Symptomology heralding a workup and diagnosis of bithalamic gliomas is diverse and varies between the pediatric and adult populations. Herein, we present a case of a 63-year-old female patient who presented with progressive gait imbalance and fatigue, prompting an outpatient brain MRI, remarkable for marked expansion of the bilateral thalami secondary to non-enhancing, T2-weighted-fluid-attenuated inversion recovery (T2-FLAIR) bright bithalamic lesions. The patient underwent a right frontal frameless stereotactic biopsy of the right thalamic lesion, with immuno-histology indicating a high-grade anaplastic astrocytoma with molecular features of glioblastoma (GBM). The patient's functional status declined precipitously in the month following her diagnostic biopsy, precluding any therapy, and the patient ultimately pursued home hospice care without further treatment. This case details the clinical management of a very rare tumor, supplementing the available literature on the progression and treatment of this rare disease.
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http://dx.doi.org/10.7759/cureus.19570 | DOI Listing |
Neuroimage
January 2025
Department of Radiology, First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.. Electronic address:
The human cerebral cortex is known for its hemispheric specialization, which underpins a variety of functions and activities. However, it is not well understood if similar lateralization exists within the deep gray matter nuclei, such as the basal ganglia (BG) and thalamus, and their associated arteries, including the lenticulostriate arteries (LSAs). To explore this, we analyzed images from 7T MRI scans of 40 healthy young individuals.
View Article and Find Full Text PDFBackground: The impact of white matter hyperintensities (WMH) on cognitive performance is uncertain due to inconsistent findings. The thalamus is of particular interest given its susceptibility to vascular damage. To test how different vascular risks (Deep/Periventricular WMH and Vascular Scores (VS)) affect thalamic subregional volumes and whether that has any mediating effect on different cognitive domains in healthy controls, mild cognitive impairment (MCI) and AD.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
Background: COVID-19, identified as the greatest health concern of the century, is associated with vascular inflammation and endothelial activation, resulting in multisystemic damage, including to the central nervous system (CNS). Recent investigations indicate a link between endothelial dysfunction, neurological changes, and the development of the so-called long-COVID. Molecules expressed in the endothelium such as P-selectin, E-selectin, and VEGF-A, increased under inflammatory injury, may be associated with conditions like brain injuries and neurodegenerative diseases.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
National Yang Ming Chiao Tung University, Taipei, NA, Taiwan.
Background: The benefit of the reserve, including brain and cognitive reserve, on cognitive functions has been examined in several studies. However, there has been limited evidence about the underlying mechanism, particularly in relation to white matter (WM) integrity. This study aims to investigate the influence of brain and cognitive reserve on cognition and white matter tract integrity among community-dwelling non-demented older adults.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Background: Few population-based studies have comprehensively examined the association between impaired olfactory identification and the prevalence of mild cognitive impairment (MCI) and regional brain volumes in a general older population without dementia.
Method: A total of 1,292 participants without dementia aged 65 years or older underwent a Japanese Pocket Smell Test, an assessment of cognitive function, and a brain magnetic resonance imaging scanning in 2017-2018. Impaired olfactory identification was defined as incorrect identification of three or more odors in the Japanese Pocket Smell Test, where participants sniffed eight microencapsulated odors (strawberries, chocolate, mint, smoke, soap, grapes, onions, and roses) and selected the corresponding odor from four choices for each odor.
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