Related Experiment Video
Updated: Jul 11, 2026
07:41
Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
Published on: April 17, 2019
Abdominal and pelvic MR angiography.
Henrik J Michaely1, Ulrike I Attenberger, Harald Kramer
1Institute of Clinical Radiology, University Hospital Mannheim, Medical Faculty Mannheim-University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany. henrik.michaely@rad.ma.uni-heidelberg.de
Magnetic Resonance Imaging Clinics of North America
|September 26, 2007
Summary
High-field 3T MRI enhances abdominal magnetic-resonance angiography (MRA) for faster, high-resolution imaging. This technique reduces contrast agent needs, improving patient safety and exam efficiency.
Area of Science:
- Radiology
- Medical Imaging
- Cardiovascular Imaging
Background:
- 3T MRI scanners are gaining market share, offering improved performance.
- Higher magnetic field strength directly benefits angiographic examinations.
Purpose of the Study:
- To review technical concepts and sequence parameters for 3T abdominal and pelvic MRA.
- To discuss contrast agent selection for abdominal MRA.
- To provide an outlook on emerging MRA technologies.
Main Methods:
- Review of current technical concepts in 3T abdominal MRA.
- Analysis of typical sequence parameters for abdominal and pelvic MRA.
- Detailed discussion on contrast agents for abdominal MRA.
Main Results:
- 3T MRI enables submillimeter spatial resolution in abdominal MRA with acquisition times under 20 seconds.
- Altered relaxation times at 3T allow for reduced contrast agent administration.
- Current technical concepts and parameters for 3T MRA are described.
Conclusions:
- 3T MRI offers significant advantages for abdominal and pelvic MRA, including speed and resolution.
- Reduced contrast agent use in 3T MRA improves safety and efficiency.
- Advancements in MRA technology are expected to further enhance imaging capabilities.
More Related Videos
Related Concept Videos
01:19Imaging 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...
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,...
01:13Radiological Investigation III: Pulmonary Angiogram and PET Scan
Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
01:22Imaging Studies V: Intravenous Urography and Retrograde Pyelography
IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
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,...
01:27Imaging 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...