Related Experiment Video
Updated: Aug 3, 2026
13:21
Preparation, Purification, and Characterization of Lanthanide Complexes for Use as Contrast Agents for Magnetic Resonance Imaging
Published on: July 21, 2011
[Urography with non-ionic contrast media. Multicenter experience on the optimization of the technic]
G Columbaro1, A Caresano, C Del Favero
1Servizio di Radiologia-Ospedale-Cantù.
La Radiologia Medica
|January 1, 1988
Summary
Nonionic contrast media offer excellent tolerability and high reliability for intravenous pyelography (IVP). A panoramic radiograph 10 minutes post-injection is key for optimizing IVP technique and diagnosis.
Area of Science:
- Radiology
- Diagnostic Imaging
- Urology
Background:
- Intravenous pyelography (IVP) is a common diagnostic imaging technique.
- Nonionic contrast media offer improved patient tolerability compared to ionic agents.
- Optimizing IVP technique is crucial for accurate diagnosis of urinary tract pathologies.
Purpose of the Study:
- To evaluate the diagnostic reliability of nonionic contrast media in IVP.
- To assess the reliability for specific organs: kidneys, ureters, and bladder.
- To determine the optimal timing and technique for nonionic contrast-enhanced IVP.
Main Methods:
- Multicentric study involving 1200 IVPs performed with nonionic contrast medium.
- Evaluation of global and specific diagnostic reliability across various pathologies.
- Analysis of the utility of a panoramic radiograph taken 10 minutes post-injection.
Main Results:
- Nonionic contrast media demonstrated high global and specific diagnostic reliability.
- The 10-minute panoramic radiograph provided critical information for guiding further examination.
- Completion radiographs were found to be necessary in specific clinical scenarios.
Conclusions:
- Nonionic contrast media are highly reliable and well-tolerated for routine IVP.
- The 10-minute panoramic view is instrumental in optimizing IVP technique and interpretation.
- Nonionic contrast media are recommended for all patients undergoing IVP, not just those at risk.
Related Concept Videos
01:30Radiological Investigation I: X-ray and CT
Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...
01:28Imaging Studies for Cardiovascular System V: CT
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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...
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,...
01:22Imaging 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...
01:19Imaging 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...