Sentences with phrase «contrast agents used»

New results in animals highlight a major safety concern regarding a class of magnetic resonance imaging (MRI) contrast agents used in millions of patients each year, according to a paper published online by the journal Investigative Radiology.

Not exact matches

In the drive to improve early detection and treatment of cancer, a pair of Toronto scientists has developed a unique technology that combines contrast agents with targeted, long - lasting nano - particles for use in multiple medical imaging platforms.
If we look at one of the most common ones used which is called gadolinium which is a contrast agent that's used.
According to Kyari, the strategy used by security agents to track and nab Evans was confidential information that was known to only him and a few senior officers in the Police force, which was in contrast to what had filtered into the public domain.
These days, medical X-rays come in multiple formats: plain film used in dental exams and doctors» offices; fluoroscopy, which bounces a continuous X-ray beam off contrast agents you've either injected or ingested, providing a moving real - time image of arteries and intestines; and the computed tomography (CT) scan, which couples a powerful computer with a circular array of extremely sensitive detectors to turn X-rays into detailed cross sections of the body.
The MPI that uses clinically - approved, iron oxide - based MRI contrast agents is capable of 3D, high - resolution imaging in real time.
The study adds to concerns that repeated use of specific «linear» - type gadolinium - based contrast agents (GBCAs) lead to deposits of the heavy - metal element gadolinium in the brain.
«Study highlights «important safety issue» with widely used MRI contrast agents
Prior to their study with this contrast agent, Lu's team had conducted studies to determine its clearance from the body after the imaging, which is essential for safe clinical use.
The new review does not suggest sweeping changes in the use of MRI contrast agents, as at present, there is no evidence linking the brain deposits to health risks.
The Mayo Clinic Department of Radiology continues to recommend the use of gadolinium - based contrast agents whenever they are clinically appropriate based upon all available data.
In this study, PSMA binding affinities were assessed for three MR contrast agents, which were then imaged in living cells using a 9.4 tesla magnet MR system.
Additionally, minimum requirements for individual providers should include an understanding of radiation safety needed for optimal imaging, exposure protection and knowledge of the use of x-ray contrast agents.
But her most important achievement, she thinks, was shedding new light on the physiology of brain activation by using a variety of different contrast agents.
Polarized xenon is also used as a contrast agent to enhance images in experimental magnetic resonance imaging (MRI) of human lungs, but conventional systems for producing and using this gas can be as big as a car.
The PEG - IONCs contrast agent was used to dynamically follow an ischemia on the left side of a monkey's brain.
Contrast agents are often used to improve the visibility of radiology of soft tissues and internal body structures, especially in cardiovascular and cerebral diseases.
The laser tomography method is novel in that it provides high contrast, full color images without the use of contrast enhancing agents.
«The power of this method is the ability to get the information on live cells, without the use of contrast agents or attached labels that could interfere with results.»
Researchers from MIT and the University of Nebraska have now developed a metal - free contrast agent that could be safer to use in those high - risk groups.
Less often used are contrast agents made from iron oxide nanoparticles, which are considered somewhat safer because the body already contains iron.
To find tumors via MRI, the Stanford team used a new contrast agent consisting of nanoparticles of iron.
In magnetic resonance imaging (MRI), contrast agents are used to enhance the imaging of tissue structures.
And existing contrast agents — chemicals injected into the body to make tumors visible — leave the tissues too quickly to be used in a lengthy, whole - body MRI.
With recent developments in contrast agents and pulse sequences, some state - of - the - art techniques greatly improve the MR image quality by overcoming the time and spatial resolution limitations and have been used for noninvasive evaluation of hepatic steatosis and vascular and biliary anatomy.
Using a pre-clinical model, the researchers delivered the microbubble contrast agent via intravenous injection and tracked it using ultrasUsing a pre-clinical model, the researchers delivered the microbubble contrast agent via intravenous injection and tracked it using ultrasusing ultrasound.
Altes and her team decided to use a specific form of helium, helium - 3, as a harmless contrast agent in conjunction with magnetic resonance imaging (MRI) to visualize lung function.
«On an MRI, a healthy lung should look completely white when helium - 3 is used as a contrast agent.
The researchers are now working on sensors that could be used to monitor other biological properties, such as pH. «We hope this is the first of many types of solid - state contrast agents where the material responds to its chemical environment in such a way that we can detect it by MRI,» Cima says.
Open - Source Automated Parahydrogen Hyperpolarizer for Molecular Imaging Using 13C Metablic Contrast Agents.
«We are optimistic because the FDA has already approved the use of iron oxide as a contrast agent in MRIs,» says Decuzzi.
In medicine, this element is used as a contrast agent — something that identifies structures in the body, such as neural tissues, that accumulate this element.
Built on an easy - to - make polymer, these particles can be used as contrast agents to light up tumors for MRI and PET scans or deliver chemo and other therapies to destroy tumors.
Gadolinium is used as a contrast agent to improve the visibility of internal organs in magnetic resonance imaging (MRI).
This is a major step forward in our endeavour to develop targeted contrast agents for bone diagnostics for use in clinical applications.»
There are two ultrasound techniques that can help identify vulnerable plaques, but both depend on the use of contrast agents called «microbubbles.»
The abdomen has to be shielded for a lot of the scans, and you can't use the contrast agent that's usually used with CT scans.
Health providers have also used this liquid for MRI imaging as an oral contrast agent due to its high manganese concentration.
A Contrast Cystography is a very effective type of X-ray that uses a contrasting agent injected into the bladder to help detect a mass.
For example, videofluoroscopy can be used to create swallowing study by mixing a contrast agent with food and then essentially filming via X-ray how the contrast is swallowed and passed down the esophagus.
MRI is superior for evaluating soft tissue structures, and its advantages over standard radiography include its visualization of the spinal cord and nerve roots, its high contrast resolution, and the ability to use contrast agents.
Clinical use of organic near - infrared fluorescent contrast agents in image - guided oncologic procedures and its potential in veterinary oncology
Gadolinium is a metal found in contrast agents (dyes) used in magnetic resonance imaging (MRI) scans, including a form of MRI called magnetic resonance angiography (MRA).
The venture b.e. imaging GmbH, part of the Bender Gruppe GmbH, located in Baden - Baden, Germany, and SPL Medical B.V., located in Nijmegen, The Netherlands, have signed today an exclusive License and Distribution Agreement for the marketing of Combidex ® (Ferumoxtran - 10), a contrast - agent for the detection of cancer metastasis in the lymph nodes using MR imaging, in Germany, Switzerland and Austria.
(All of the above is also quite contrasted with the audio copyright trolling on YouTube, where basically anyone who's ever posted anything on YouTube receives claims for copyright infringement from various agents in the presence of even the shortest audio clips that you'd think should clearly fall within the fair - use doctrine.)
And speaking of chippiness, remember how I had wanted to showcase the contrast of wood with paint in the way milk paint behaves when no bonding agent is used in the first coat?
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