A rare case of transient hydrocephalus is reported. A 64-year-old woman presented with headache. Computerized tomography (CT) scan revealed hydrocephalus with tiny blood clots in the left foramen of Monro and in the aqueduct. Six hours after the onset, the signs and symptoms disappeared spontaneously. The second CT showed improvement of the hydrocephalus with migration of the clot into the i.v. ventricle. Aqueductal trapping and releasing of the clot formed by bleeding from the choroid plexus located in the left foramen of Monro was suspected for the origin of the transient hydrocephalus.
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In response to Mutti et al. 2024 commentary on "Transient intracranial pressure elevations (B waves) associated with sleep apnea: the neglected role of cyclic alternating pattern".
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December 2024
Department of Neurosurgery, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.
The physiology of transient intracranial pressure (ICP) elevations (B waves), remains incompletely understood and appears to involve multiple mechanisms, including obstructive sleep apnea (OSA). Transient ICP elevations are associated with OSA and cyclic alternating pattern (CAP) metrics, suggesting a complex interplay between sleep fragmentation and ICP dynamics. Additionally, CAP metrics could complement standard OSA assessments, providing deeper insights into transient ICP fluctuations, particularly in conditions like normal-pressure hydrocephalus and idiopathic intracranial hypertension.
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- CHANTER syndrome is a newly identified neurological condition often triggered by polysubstance or opioid abuse, presenting with acute unresponsiveness or coma.
- Patients typically show specific MRI findings, particularly restricted diffusion in the cerebellar cortices, hippocampi, and variable changes in the basal ganglia, which may lead to dangerous complications like hydrocephalus.
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Choroid plexus tumors in adults: a retrospective mono-institutional study.
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Neuroncology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.
Purpose: Choroid plexus tumors (CPT) are rare entities, and even rarer in adulthood.
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Transient and permanent hydrocephalus following resection of brain metastases located in the posterior fossa: incidence, risk factors and the necessity of perioperative external ventricular drainage placement.
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Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany.
Purpose: Prophylactic insertion of an external ventricular drainage (EVD) prior to the resection of posterior fossa metastases (PFMs) is a common approach to address postoperative transient and permanent hydrocephalus. However, predicting surgery-related hydrocephalus in the preoperative phase continues to be a challenge. This study aims to analyze the incidence, preoperatively collectable risk factors and necessity of perioperative external ventricular drainage placement after posterior fossa metastasis surgery.
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