Related Experiment Video
Updated: May 15, 2026
12:29
Magnetic Resonance Imaging Quantification of Pulmonary Perfusion using Calibrated Arterial Spin Labeling
Published on: May 30, 2011
Perfusion MRI: the five most frequently asked technical questions
Marco Essig1, Mark S Shiroishi, Thanh Binh Nguyen
1Department of Neuroradiology, University of Erlangen-Nuremberg, Maximiliansplatz 1, 91054 Erlangen, Germany. marco.essig@uk-erlangen.de
AJR. American Journal of Roentgenology
|December 21, 2012
Summary
This article answers common questions about Magnetic Resonance (MR) perfusion imaging in Central Nervous System (CNS) imaging. Overcoming current challenges will enable wider use of this promising neuroimaging technique.
Area of Science:
- Neuroimaging
- Radiology
- Medical Physics
Background:
- Magnetic Resonance (MR) perfusion imaging is increasingly utilized in Central Nervous System (CNS) applications.
- Radiologists frequently encounter challenges in the planning, execution, and interpretation of these studies.
- Standardized approaches are needed to optimize clinical utility.
Purpose of the Study:
- To address the 10 most frequent questions radiologists ask regarding MR perfusion studies in CNS imaging.
- To provide practical guidance for optimizing MR perfusion techniques.
- To facilitate the integration of MR perfusion into routine clinical neuroimaging.
Main Methods:
- This article synthesizes current knowledge and expert consensus on MR perfusion techniques.
- It focuses on practical aspects relevant to clinical workflow.
- Companion article provides further details on specific technical parameters.
Main Results:
- Key questions regarding image acquisition, post-processing, and interpretation are addressed.
- Common pitfalls and their solutions are discussed.
- Guidance is provided for various clinical scenarios.
Conclusions:
- Perfusion MRI is a valuable tool for evaluating stroke, brain tumors, and neurodegenerative diseases.
- Challenges hindering widespread adoption of perfusion MRI are surmountable.
- Integration into modern neuroimaging protocols is feasible and recommended.
More Related Videos
Related Concept Videos
01:24Magnetic 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...
01:21Imaging 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,...
01:30Radiological Investigation II: MRI and Ventilation Perfusion Scan
Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
01:27Imaging 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,...
01:17Assessment of Diffusion and Perfusion
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...