contrast material


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Noun1.contrast material - a substance that is opaque to x-rays; when administered it allows a radiologist to examine the organ or tissue it fills
medium - (biology) a substance in which specimens are preserved or displayed
References in periodicals archive ?
The emphasis is on anatomical detail; using endogenous contrast mechanisms to provide information on the functional status of tissue; and using exogenous contrast material to extract information regarding the spatial distribution, tissue function, metabolic activity, and to monitor expression.
To help make the structures in the knee easier to see, the MR technologist may inject a contrast material in your knee.
After administration of contrast material, the cystic lining enhanced on the T1-weighted image.
In any event, reports on such samples should contain the caveat that radio contrast material had been administered before sample collection and that any unexpected results should be confirmed by recollection and repeat analysis or consultation with a senior member of the laboratory staff.
Our in vitro experiments would suggest that injection of 60-80 mL (assuming the circulatory volume of an adult to be 3-4 L) of the nonionic contrast material might be sufficient to cause interference with gel barrier formation.
If the contrast material remains in the patient long enough, the metal atoms may break free.
The patient may receive an injection of a "contrast material" to facilitate visualization of vascular structure.
High contrast material reduces reflection from the bright Action man, above, takes to the slopes in men's 3-in-one ski jacket with detachable sleeves, pounds 89, sunglasses, pounds 20, gloves, pounds 25 and Windmax beanie hat, pounds 14.
Sequential radiographs were taken as iothalamate meglumine radiographic contrast material (Conray 60) was injected through the catheter.
When a contrast material called gadolinium is injected just before an MRI, active areas of "silent" MS activity can be detected.
Because PPSQ is a relatively low contrast material, they replaced it with a higher contrast poly (methylmethacrylate) resist material in order to make the 12-nm features.
Other indications included a history of a previous reaction to a contrast material (21 percent of the responses), unstable angina (19 percent), and elevated BUN or Creatinine (9 percent).