The principles of cerebrospinal fluid (CSF) production, circulation and outflow and regulation
of fluid volumes and pressures in the normal brain are summarised. Abnormalities in these …

Hypertrophic pachymeningitis (HP) is a rare and chronic inflammatory disorder presenting
as localized or diffuse thickening of the dura mater. It can be idiopathic or an unusual …

Hyperemia in response to neural activity is essential for brain health. A hyperemic response
delivers O2 and nutrients, clears metabolic waste, and concomitantly exposes …

BACKGROUND AND PURPOSE: CSF leaks of the skull base and spine share a common
process of CSF volume loss, and yet only the latter has been associated with spontaneous …

Spinal CSF leak care has evolved during the past several years due to pivotal advances in
its diagnosis and treatment. To the reader of the American Journal of Neuroradiology …

In recent years, low‐frequency oscillations (LFOs)(0.01–0.1 Hz) have been a subject of
interest in resting‐state functional magnetic resonance imaging research. They are believed …

Since its introduction by the German physician Heinrich Quincke in 1891, the procedure of
dural puncture, commonly referred to as lumbar puncture (LP), has become an …

Abstract Information about the morphology of the intracranial pressure waveform, as well as
the variations in intracranial pressure (ICP) and compliance in pediatric patients are …

BACKGROUND AND PURPOSE: Early brain injury is a major determinant of clinical
outcome in poor-grade (World Federation of Neurosurgical Societies [WFNS] IV–V) …

Spontaneous intracranial hypotension (SICH) is the emerging cause of orthostatic headache
as it has been better recognized in recent years. SICH happens due to spinal cerebrospinal …