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Unilateral diffuse cytotoxic oedema and crossed cerebellar diaschisis related to status epilepticus.
BMJ Case Rep
January 2025
Radiodiagnosis Department, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.
Postseizure brain changes on imaging are well-known facts. Many times, oedematous brain changes can mimic ischaemic stroke. Crossed cerebellar diaschisis refers to a depression in metabolism, affecting the cerebellar hemisphere due to contralateral supratentorial abnormalities.
View Article and Find Full Text PDFReversible Perfusion Changes during Acute Attacks in Glucose Transporter Type 1 Deficiency Syndrome: A Pediatric Case Series.
AJNR Am J Neuroradiol
January 2025
Department of Pediatric Radiology and Neuroradiology (C.D., F.A., C.P., A.R.), Children's Hospital V. Buzzi, Milan, Italy.
Glucose transporter type 1 deficiency syndrome (GLUT1-DS) is an uncommon condition represented by an infantile-onset disorder, frequently arising from heterozygous mutations in the gene. Individuals with GLUT1-DS may present with early-onset seizures (typically manifesting before 4 years of age), developmental delay, and complex movement disorders. In fewer cases, stroke-like events or hemiplegic migraine-like symptoms are also reported, defined by unilateral paresis affecting 1 side of the body and/or one-half of the face, occasionally accompanied by speech impairment.
View Article and Find Full Text PDFRegional neuron loss following stroke can result in remote brain changes due to diaschisis and secondary brain atrophy. Whole brain changes post-stroke can be captured by the predicted brain age difference (brain-PAD), a neuroimaging-derived biomarker of global brain health previously associated with poorer chronic stroke outcomes. We hypothesized that greater lesion damage would be longitudinally associated with worsening brain-PAD during subacute stroke, and conversely, that poorer baseline brain-PAD would be associated with enlarged lesion damage.
View Article and Find Full Text PDFForeign Accent Syndrome: insights from Neuroimaging and Pathophysiological mechanisms.
Acta Neurol Belg
November 2024
Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy, Iași, 700115, Romania.
Foreign Accent Syndrome (FAS) is a rare and complex speech disorder characterized by the sudden emergence of a foreign accent, typically following neurological events such as strokes, traumatic brain injuries, or neurodegenerative diseases. This comprehensive review explores the pathophysiology, neuroimaging findings, and prevalence of FAS. Neuroimaging studies, including MRI and fMRI, reveal significant brain reorganization predominantly in the left hemisphere, involving regions such as the superior temporal gyrus and medial frontal structures.
View Article and Find Full Text PDFA case of isolated dystextia due to subcortical infarction: a novel condition of digital device era.
BMC Neurol
October 2024
Department of Neurology, Brain Research Institute, Niigata University, 1-757 Asahimachi-dori, Chuoku, Niigata, 951-8585, Japan.
Background: In recent years, cases of dystextia (texting disabilities) and dystypia (typing disabilities) have been reported. However, reports describing isolated dystextia without aphasia or other cognitive impairments are rare, and the detailed pathophysiology is not fully understood. Most Japanese people use the alphabetical spelling system (Romaji) for texting and typing.
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