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contrast medium

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
contrast medium
n.
A substance, such as barium or air, used in radiography to increase the contrast of an image. A positive contrast medium absorbs x-rays more strongly than the tissue or structure being examined; a negative contrast medium, less strongly.
contrast medium  (kntrst)
A substance, such as barium or air, used in radiologic studies to increase the contrast of an image. In x-ray imaging, a positive contrast medium absorbs x-rays more strongly than the tissue or structure being examined; a negative contrast medium, less strongly.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.contrast medium - a substance that is opaque to x-rays; when administered it allows a radiologist to examine the organ or tissue it fills
contrast material
medium - (biology) a substance in which specimens are preserved or displayed


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? Mentioned in ? References in periodicals archive
 
Tokyo, Japan, Oct 26, 2006 - (JCN) - Japan's Ministry of Labour, Health and Welfare ttoday granted Daiichi Pharmaceutical approval for the ultrasound contrast medium Sonazoid for Injection, a worldwide first.
Daiichi Pharmaceutical Receives Import Approval for Ultrasound ... by JCNN News Summaries
CT cisternography identified dehiscence of the left lateral sphenoid recess, which contained contrast medium that had drained into the nasal cavity (figure 3).
CSF fistula secondary to sphenoid meningoencephalocele by Scheuemann, Christian / Ear, Nose and Throat Journal
Use a conventional contrast medium, but require premedication with steroids and antihistamines to reduce complications.
Indications for the use of low-osmolar contrast agents by Bloom, David M. / Physician Executive
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