We are also looking into using our contrast agents
to improve imaging for glioma and ovarian cancer, said Asst Prof Chow.
TEHRAN (FNA)- Ordinary sugar could become a contrast agent
of the future for use in magnetic resonance tomography examinations of tumors, as malignant tumors show higher sugar consumption than surrounding tissue, report scientists.
However, recent studies have discovered harmful side effects, such as nephrogenic systemic fibrosis, stemming from the use of this contrast agent
in some patients, forcing the Food and Drug Administration (FDA) to place restrictions on the clinical use of gadolinium.
Tumour blood vessels have open pores that permit entry and retain nanoparticles in the tumour vasculature, so that they can be effectively used as ultrasound contrast agents
If the synthetic HDL works as well in people, Cormode says, the new contrast agent
will improve physicians' ability to track the effectiveness of plaque-busting treatments.
Although it is less common to use negative contrast agents
such as milk or VoLumen, they may be particularly useful in patients with inflammatory bowel disease or infiltrating cancers where it is important to enhance the view of the bowel wall, Dr.
The FDA has approved five gadolinium-containing contrast agents
for use during MR procedures, but not for MRA.
Research topics of interest include means to significantly reduce imaging time or effects of motion, use of novel contrast agents
or imaging probes, and use of technologies that reduce or do not involve the use of ionizing radiation or contrast agents
and imaging probes.
Some contrast agents
carry a small risk of allergic reaction, so it is important to tell the radiologic technologist who will perform your examination if you have any type of allergy.
Evaluation of indications for the use of low-osmolar contrast agents
, management believes, can assist in establishing a prototype protocol for dealing with these cost versus quality decisions, which are going to become increasingly necessary and frequent.
Ultrasound contrast agents
are exceedingly safe and completely radiation-free diagnostic imaging tools," he said.
Nonionic niskoosmotyczny, iodine contrast agent
containing iodine 400 mg / ml - 82 liters in packaging: