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Cerebrospinal fluid leaks are important to recognize because they can cause debilitating symptoms for patients and have life-threatening complications. Leakage of cerebrospinal fluid (CSF) from the subarachnoid space can occur at the cranial or spinal level, with distinct clinical presentations, diagnostic evaluations, and treatment modalities depending on the type and location of the leak. Spontaneous, traumatic, and iatrogenic spinal CSF leaks cause reduced intracranial CSF volume and the clinicoradiologic syndrome commonly called "intracranial hypotension". This review discusses the clinical presentations, etiologies, and risk factors of spinal and cranial CSF leaks.
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http://dx.doi.org/10.1016/j.nic.2024.08.004 | DOI Listing |
J Neurosurg Case Lessons
September 2025
Division of Pediatric Neurosurgery, Children's Hospital Los Angeles, Los Angeles, California.
Background: Intracranial hypotension (IH) is a secondary headache syndrome that can result from spontaneous or iatrogenic CSF leaks. Subdural hematomas (SDHs) are a particularly dangerous sequela of IH. Although epidural blood patch (EBP) is a recognized treatment for IH, its use in pediatric patients with SDH as a solitary intervention has not been reported.
View Article and Find Full Text PDFNeurology
October 2025
Alzheimer's Disease and Other Cognitive Disorders Unit, Department of Neurology, Hospital Clínic de Barcelona, Fundació Recerca Clínic Barcelona-IDIBAPS, Spain.
Background And Objectives: α-Synuclein seed amplification assays (αSAAs) can improve the diagnosis of synucleinopathies and detect α-synuclein (αSyn) copathology in vivo in clinical practice. We aimed to evaluate the diagnostic performance of αSAA for detecting αSyn in CSF for diagnosing dementia with Lewy bodies (DLB) in a clinical cohort of cognitively impaired individuals. We explored how the coexistence of Alzheimer disease (AD) and αSyn pathology influences biomarker levels and clinical profiles.
View Article and Find Full Text PDFJ Infect Dis
September 2025
Section of Infectious Diseases, Yale School of Medicine, New Haven, CT, USA.
Background: Women are disproportionately affected by neuropsychiatric symptoms following recovery from acute COVID-19. However, whether there are central nervous system-specific changes in gene expression in women with neuropsychiatric Long COVID (NP-Long COVID) remains unknown.
Methods: Twenty-two women with and ten women without NP-Long COVID were enrolled from New Haven, CT, and the surrounding region and consented to a blood draw and large volume lumbar puncture.
Aim: Hydrocephalus is a condition characterized by the excessive accumulation of cerebrospinal fluid in the brain's ventricular system, leading to ventricular enlargement and increased intracranial pressure. This study aimed to evaluate whether transfontanel ultrasonography could serve as a practical and less complex alternative to brain magnetic resonance imaging in infants with hydrocephalus.
Material And Methods: In this prospective study, 54 infants diagnosed with hydrocephalus underwent both transfontanel ultrasonography and brain magnetic resonance imaging.
ACS Sens
September 2025
Department of Pharmacy, The People's Hospital of Guangxi Zhuang Autonomous Region & Guangxi Academy of Medical Sciences, Nanning, Guangxi 530021, China.
Alzheimer's disease (AD) is a progressive neurodegenerative disorder primarily characterized by cognitive decline and behavioral impairments, typically manifesting in the elderly and presenile population. With the rapid global aging trend, early diagnosis and treatment of AD have become increasingly urgent research priorities. The primary pathological features of AD include excessive accumulation of β-amyloid (Aβ) plaques, the formation of neurofibrillary tangles, and neuronal loss.
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