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

Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

444
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
444
The Arch of Aorta01:10

The Arch of Aorta

2.1K
The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
2.1K
Aneurysm I: Introduction01:30

Aneurysm I: Introduction

561
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...
561
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

405
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
405
Arteries of the Head and Neck01:26

Arteries of the Head and Neck

3.9K
The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
3.9K

You might also read

Related Articles

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

Sort by
Same author

Early brain biopsy in neurological diseases of unknown etiology: Moving the diagnostic clock forward, not skipping the work-up.

European journal of internal medicine·2026
Same author

Radiological and FDG-PET imaging features of Epstein-Barr virus-positive primary central nervous system lymphomas.

Journal of neurology·2026
Same author

Sleep increases firing rate modulation during interictal epileptiform discharges in mesial temporal structures.

Brain communications·2026
Same author

Acquired genetic and cell-state changes in IDH-mutant glioma progression.

Nature·2026
Same author

Influence of histopathologic type of hippocampal sclerosis on neuropsychological profile.

Epilepsia·2026
Same author

Development and preclinical evaluation of a hybrid stereoelectroencephalographic-laser depth electrode for magnetic resonance imaging-guided interstitial thermal therapy in drug-resistant epilepsy.

Epilepsia·2026

Related Experiment Video

Updated: Mar 3, 2026

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit
06:11

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit

Published on: May 14, 2020

2.9K

Rare Intracranial Donut Aneurysm.

Clément Cholet1, Bertrand Mathon2, Bruno Law-Ye3

  • 1Neuroradiology Department, University Hospital Pitié-Salpêtrière, Paris, France.

World Neurosurgery
|April 26, 2017
PubMed
Summary

A giant arterial aneurysm, also known as a "donut aneurysm," was identified in a patient presenting with sudden loss of consciousness. This rare condition involves a ring-like vascular formation with a central thrombus.

Keywords:
Donut aneurysmGiant aneurysmIntracranial aneurysmParenchymal hematomaSubarachnoid hemorrhage

More Related Videos

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
11:58

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms

Published on: August 11, 2015

16.6K
Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
18:50

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment

Published on: September 25, 2009

14.1K

Related Experiment Videos

Last Updated: Mar 3, 2026

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit
06:11

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit

Published on: May 14, 2020

2.9K
Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
11:58

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms

Published on: August 11, 2015

16.6K
Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
18:50

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment

Published on: September 25, 2009

14.1K

Area of Science:

  • Neurology
  • Vascular Surgery
  • Radiology

Background:

  • Sudden loss of consciousness can indicate serious neurological events.
  • Cerebral aneurysms are a significant cause of morbidity and mortality.
  • Giant aneurysms require specific diagnostic and management considerations.

Observation:

  • A 30-year-old male presented with abrupt syncope.
  • Angio-CT revealed a unique ring-like vascular structure originating from the anterior communicating artery.
  • The formation exhibited a central hypodense area.

Findings:

  • The observed vascular anomaly was diagnosed as a giant arterial aneurysm.
  • The central hypodensity indicated the presence of a thrombus within the aneurysm.
  • This specific morphology is colloquially termed a "donut aneurysm".

Implications:

  • Early and accurate diagnosis of giant aneurysms is crucial for preventing catastrophic rupture.
  • The "donut aneurysm" presentation may necessitate tailored surgical or endovascular approaches.
  • Further research into the pathogenesis and optimal treatment of these rare aneurysms is warranted.