Related Experiment Video

Updated: Jun 21, 2026

Construction and Application of Cerebral Functional Region-Based Cerebral Blood Flow Atlas Using Magnetic Resonance Imaging-Arterial Spin Labeling
05:23

Construction and Application of Cerebral Functional Region-Based Cerebral Blood Flow Atlas Using Magnetic Resonance Imaging-Arterial Spin Labeling

Published on: May 31, 2024

Arterial spin-labeling MRI perfusion in tuberous sclerosis: correlation with PET

M Wissmeyer1, S Altrichter, V M Pereira

  • 1Department of Nuclear Medicine, Geneva University Hospital, Switzerland.

Journal of Neuroradiology = Journal De Neuroradiologie
|July 7, 2009
PubMed

Insights

Arterial spin-labeling (ASL) MRI perfusion imaging is a valuable tool for investigating epilepsy. This technique, along with positron emission tomography (PET), correlates well with electrophysiological data in patients with tuberous sclerosis.

Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Neuroimaging is crucial for diagnosing surgically intractable epilepsy.
  • Standard MRI techniques can be enhanced with perfusion sequences to better visualize pathology.
  • Arterial spin-labeling (ASL) MRI perfusion offers a contrast-free imaging option, potentially beneficial for epilepsy patients.

Observation:

  • Three patients with epilepsy and tuberous sclerosis underwent brain MRI with ASL and PET.
  • ASL MRI perfusion was utilized as a non-contrast enhanced imaging modality.
  • Positron emission tomography (PET) was performed concurrently for comparative analysis.

Findings:

  • ASL MRI perfusion findings correlated with positron emission tomography (PET) results.
  • Both ASL MRI perfusion and PET data showed correlation with electrophysiological findings.
  • This suggests ASL MRI perfusion can effectively complement PET and electrophysiology in epilepsy assessment.

Implications:

  • ASL MRI perfusion may serve as a valuable, non-invasive tool in the diagnostic workup of epilepsy.
  • The correlation between ASL, PET, and electrophysiology supports its utility in identifying epileptogenic zones.
  • This technique could improve surgical planning and patient outcomes for intractable epilepsy.

More Related Videos

Magnetic Resonance Imaging Quantification of Pulmonary Perfusion using Calibrated Arterial Spin Labeling12:29

Magnetic Resonance Imaging Quantification of Pulmonary Perfusion using Calibrated Arterial Spin Labeling

Published on: May 30, 2011

PET and MRI Guided Irradiation of a Glioblastoma Rat Model Using a Micro-irradiator10:48

PET and MRI Guided Irradiation of a Glioblastoma Rat Model Using a Micro-irradiator

Published on: December 28, 2017

Related Concept Videos

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...
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
Positron Emission Tomography01:29

Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...