Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

30
A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
30
Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic Stroke l: Introduction

20
A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
20
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

21
A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial...
21
Aneurysm I: Introduction01:30

Aneurysm I: Introduction

650
An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
650
Increased Intracranial Pressure ll: Pathophysiology01:29

Increased Intracranial Pressure ll: Pathophysiology

20
Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins...
20
Increased Intracranial Pressure l: Introduction01:14

Increased Intracranial Pressure l: Introduction

27
Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component...
27

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Prognostic factors associated with disability in a cohort of neuromyelitis optica spectrum disorder and MOG-associated disease from a nationwide Portuguese registry.

Journal of the neurological sciences·2024
Same author

Altered social cognition in early relapsing remitting multiple sclerosis.

Multiple sclerosis and related disorders·2023
Same author

Late onset neuromyelitis optica spectrum disorders (LONMOSD) from a nationwide Portuguese study: Anti-AQP4 positive, anti-MOG positive and seronegative subgroups.

Multiple sclerosis and related disorders·2022
Same author

Neuromyelitis optica spectrum disorders: A nationwide Portuguese clinical epidemiological study.

Multiple sclerosis and related disorders·2021
Same author

RISCOP-Cognitive profile in a Portuguese cohort of radiological isolated syndrome patients: A case-control study.

Multiple sclerosis and related disorders·2021
Same author

Headache Gauge: a real-life calendar-based tool for headache monitoring.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·2021

Related Experiment Video

Updated: May 2, 2026

Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage
10:34

Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage

Published on: August 30, 2020

10.3K

Arachnoid cyst spontaneous rupture.

Inês Brás Marques1, José Vieira Barbosa1

  • 1Serviço de Neurologia. Centro Hospitalar e Universitário de Coimbra. Coimbra. Portugal.. inesmbmarques@gmail.com.

Acta Medica Portuguesa
|March 4, 2014
PubMed
Summary

Spontaneous rupture of an arachnoid cyst caused a progressive headache in an adult. While initial treatment offered relief, the resulting subdural hygroma required surgery due to increasing intracranial hypertension.

Area of Science:

  • Neurology
  • Neurosurgery
  • Pediatric Neurology

Background:

  • Arachnoid cysts are congenital cerebrospinal fluid collections, typically asymptomatic in children and adolescents.
  • Symptomatic presentation often involves intracranial hypertension due to cyst enlargement or complications.

Observation:

  • An adult patient presented with progressive, refractory headaches attributed to a spontaneous arachnoid cyst rupture.
  • Initial conservative management provided symptomatic relief, but a subdural hygroma developed and enlarged.

Findings:

  • Spontaneous arachnoid cyst rupture is a rare complication.
  • The resulting subdural hygroma led to sustained intracranial hypertension, necessitating surgical intervention.
  • Cerebrospinal fluid accumulation in the subdural space can be life-threatening.

More Related Videos

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
09:14

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model

Published on: June 18, 2021

2.3K
Endovascular Perforation Model for Subarachnoid Hemorrhage Combined with Magnetic Resonance Imaging MRI
06:30

Endovascular Perforation Model for Subarachnoid Hemorrhage Combined with Magnetic Resonance Imaging MRI

Published on: December 16, 2021

3.8K

Related Experiment Videos

Last Updated: May 2, 2026

Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage
10:34

Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage

Published on: August 30, 2020

10.3K
Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
09:14

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model

Published on: June 18, 2021

2.3K
Endovascular Perforation Model for Subarachnoid Hemorrhage Combined with Magnetic Resonance Imaging MRI
06:30

Endovascular Perforation Model for Subarachnoid Hemorrhage Combined with Magnetic Resonance Imaging MRI

Published on: December 16, 2021

3.8K

Implications:

  • Patients with arachnoid cysts should be aware of the rare risk of rupture.
  • Sudden, severe headaches, especially after minor trauma or Valsalva maneuvers, warrant immediate medical evaluation.
  • Prompt diagnosis and management are crucial for potentially life-threatening complications like sustained intracranial hypertension.