4 doctors weighed in:

A MRI without dye show a brain tumor?

4 doctors weighed in
Dr. Anthony Mosley
Neurology
2 doctors agree

In brief: Yes

Yes a non-contrast MRI is pretty good for detecting a tumor in the brain, but using contrast "dye" improves the ability of an MRI to detect a small tumor.

In brief: Yes

Yes a non-contrast MRI is pretty good for detecting a tumor in the brain, but using contrast "dye" improves the ability of an MRI to detect a small tumor.
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Dr. Douglas Miller
Pathology

In brief: Yes

Mri scans are often very good at showing brain tumors without the use of contrast substances (not actually "dyes").
Mris are done with different radio pulse sequences and these are often excellent ways to find and delineate information about a tumor. Contrast provides additional information and very occasionally allows one to find a tumor which would have been missed without contrast.

In brief: Yes

Mri scans are often very good at showing brain tumors without the use of contrast substances (not actually "dyes").
Mris are done with different radio pulse sequences and these are often excellent ways to find and delineate information about a tumor. Contrast provides additional information and very occasionally allows one to find a tumor which would have been missed without contrast.
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