Related Experiment Video

Updated: May 5, 2026

Lesion Explorer: A Video-guided, Standardized Protocol for Accurate and Reliable MRI-derived Volumetrics in Alzheimer's Disease and Normal Elderly
12:50

Lesion Explorer: A Video-guided, Standardized Protocol for Accurate and Reliable MRI-derived Volumetrics in Alzheimer's Disease and Normal Elderly

Published on: April 14, 2014

41.0K

Enhancement of robin-virchow spaces MRI evaluation

I Tsitouridis1, S Papaioannou, M Arvaniti

  • 1Radiology Department, Papageorgiou General Hospital; Thessaloniki, Greece - tsitouridis@papageorgiou-hospital.gr.

The Neuroradiology Journal
|November 22, 2013
PubMed

Insights

Perivascular spaces, normally microscopic, can abnormally dilate in various conditions. This dilatation is linked to aging and vascular risk factors, but its exact cause remains unclear.

Area of Science:

  • Neuroimaging
  • Vascular Neurology
  • Radiology

Background:

  • Perivascular spaces (PVS) are typically microscopic fluid-filled spaces surrounding blood vessels in the brain.
  • Robin-Virchow spaces are a normal finding in specific brain regions like the substantia innominata.
  • Pathologic conditions can lead to abnormal PVS dilatation, increasing their visibility on MRI.

Purpose of the Study:

  • To review the current understanding of perivascular space dilatation.
  • To identify common associations and potential etiologies of enlarged perivascular spaces.

Main Methods:

  • Review of existing literature on perivascular spaces and their dilatation.
  • Analysis of MRI findings related to PVS abnormalities.
  • Correlation of PVS dilatation with clinical risk factors.

Main Results:

  • Abnormal dilatation of perivascular spaces is observed in various pathological states.
  • Dilatation is frequently associated with anterior brain abnormalities.
  • Commonly linked factors include aging, diabetes, hypercholesterolemia, smoking, and hypertension.

Conclusions:

  • Perivascular space dilatation is a recognized radiological finding with multifactorial associations.
  • While linked to vascular risk factors, the precise etiology of PVS dilatation is currently unknown.
  • Further research is needed to elucidate the exact mechanisms driving PVS enlargement.

More Related Videos

Author Spotlight: Integrating High-Resolution Intravital Imaging and MRI to Enhance Stereotactic Body Radiation Therapy Planning10:25

Author Spotlight: Integrating High-Resolution Intravital Imaging and MRI to Enhance Stereotactic Body Radiation Therapy Planning

Published on: April 12, 2024

2.4K
Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging15:48

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging

Published on: December 15, 2014

25.0K

Related Concept Videos

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
432
Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
7.6K
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
568
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
542
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
902
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
861