Assertion: brain | /r/HasProperty | mri
Facets:
Source sentences:
text: Not all tests require this, and in some cases the patient may be given a brain MRI without contrast substances being used.
text: There are times that the use of a contrast substance is essential, but many times it is possible to get the desired results from a brain MRI without contrast.
text: When a brain tumor is suspected, it is likely that the doctor will choose to use a contrast material with the brain MRI.
text: When problems with blood vessels, tumors or inflammation are suspected, it is likely that the doctor will choose to use a contrast material with the brain MRI.
text: Trying to get images of blood vessels from a brain MRI without using contrast is often unsuccessful.
text: People that are allergic to the contrast substances or who are suspected of having conditions that will readily be visible anyway may be given a brain MRI without contrast.
text: Trying to get images of blood vessels from a brain MRI without using contrast is often unsuccessful.
text: Both a patient that is undergoing a brain MRI without contrast and one that has had a contrast injection will be required to hold absolutely still during certain parts of the test.