Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Brain Abscess l: Introduction

Brain Abscess l: Introduction

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 infections,...

Aneurysm III: Interprofessional Care

Aneurysm III: Interprofessional Care

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...

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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...

Aneurysm I: Introduction

Aneurysm I: Introduction

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...

Arboviral Encephalitis

Arboviral Encephalitis

Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...

Cranial and Spinal Meninges

Cranial and Spinal Meninges

The cranial and spinal meninges are complex protective structures surrounding the central nervous system (CNS), consisting of the brain and spinal cord. These meninges consist of the dura mater, the arachnoid mater, and the pia mater. They protect the CNS, provide structural support, and aid in circulating cerebrospinal fluid (CSF).
Cranial Meninges
These meningeal layers cover the cranium. The dura mater is the outermost layer of cranial meninges. It is a thick and durable membrane of dense...

You might also read

Related Articles

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

Sort by

Same author

Contribution of fluorodeoxyglucose positron-emission tomography combined with magnetic resonance imaging for differential diagnosis between radionecrosis and recurrence of treated brain metastasis.

Cancer radiotherapie : journal de la Societe francaise de radiotherapie oncologique·2026

Same author

Prognostic relevance and molecular correlates of Claudin-1 expression in pancreatic neuroendocrine tumors.

Human pathology·2026

Same author

Multimodal Approach to a Photopenic Defect on FDOPA PET/MR in a Case of Glioblastoma and its Progression.

Clinical nuclear medicine·2026

Same author

Radiomics on <sup>177</sup>Lu-DOTATATE Posttreatment Scans: Feasibility, Preprocessing Optimization, and Planar-SPECT Comparison.

Journal of nuclear medicine technology·2026

Same author

Molecular taxonomy of pancreatic neuroendocrine tumors reveals BEND2-fusions-driven transcriptional plasticity and therapeutic vulnerabilities.

Cell reports. Medicine·2026

Same author

Respiratory gating in [18F]fluorocholine PET/CT for hyperparathyroidism: a quantitative proof-of-concept study.

The quarterly journal of nuclear medicine and molecular imaging : official publication of the Italian Association of Nuclear Medicine (AIMN) [and] the International Association of Radiopharmacology (IAR), [and] Section of the Society of...·2026

Search research articles

Related Experiment Video

Updated: May 18, 2026

Arthroscopic Excision of Posterior Cruciate Ligament Cysts Using a Double Posteromedial Approach

Arthroscopic Excision of Posterior Cruciate Ligament Cysts Using a Double Posteromedial Approach

Published on: October 20, 2023

Asymptomatic giant arachnoid cyst.

Fabrice Hubele¹, Alessio Imperiale, Stéphane Kremer

¹Service de Biophysique et Médecine Nucléaire, Hôpital de Hautepierre, Hôpitaux Universitaires de Strasbourg, Strasbourg, France.

Clinical Nuclear Medicine

|September 8, 2012

Summary

This summary is machine-generated.

A large arachnoid cyst in the frontal lobe was incidentally found in a patient undergoing PET/CT. Brain MRI revealed significant cortical reorganization in motor areas, suggesting brain plasticity.

More Related Videos

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations

Published on: October 20, 2017

Endoscopic Approach for Colloid Cyst Resection

Endoscopic Approach for Colloid Cyst Resection

Published on: May 23, 2025

Related Experiment Videos

Last Updated: May 18, 2026

Arthroscopic Excision of Posterior Cruciate Ligament Cysts Using a Double Posteromedial Approach

Arthroscopic Excision of Posterior Cruciate Ligament Cysts Using a Double Posteromedial Approach

Published on: October 20, 2023

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations

Published on: October 20, 2017

Endoscopic Approach for Colloid Cyst Resection

Endoscopic Approach for Colloid Cyst Resection

Published on: May 23, 2025

Area of Science:

Neuroimaging
Neurology
Neurosurgery

Background:

Positron Emission Tomography/Computed Tomography (FDG PET/CT) is utilized for diagnosing various conditions, including sarcoidosis.
Incidental findings during diagnostic imaging can reveal unexpected neurological conditions.

Observation:

A 51-year-old male bricklayer, initially evaluated for suspected mediastinal sarcoidosis, underwent a whole-body FDG PET/CT scan.
The scan incidentally identified a large right frontal arachnoid cyst.
Magnetic Resonance Imaging (MRI) confirmed the cyst's mass effect, causing compression of adjacent cerebral parenchyma and sulci.

Findings:

Despite significant mass effect from the arachnoid cyst, the adjacent cerebral cortex showed normal glucose metabolism on FDG PET/CT.
Functional MRI, using a finger-thumb paradigm, demonstrated a notable reorganization of motor cortex activation within the right cerebral hemisphere.
This reorganization showed increased activation between the inferior frontal gyrus and the postcentral gyrus.

Implications:

This case highlights the potential for incidental findings of arachnoid cysts during oncologic or inflammatory imaging.
The observed cortical reorganization suggests significant brain plasticity and functional adaptation in response to chronic mass effect from an arachnoid cyst.
Further research into functional brain reorganization in patients with asymptomatic intracranial cysts is warranted.