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mri scan

i had mri scan of my brian 3 weeks ago and now want me to have another with the dye injected first . does this mean they have found somehing wrong ?
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MEDICAL PROFESSIONAL
Hi there. An MRI image can be further improved by adding contrast. Tumors and other abnormalities will absorb the contrast dye as it progresses through your blood vessels and will glow on the scan. This facilitates detection of even the smallest of tumors, and a better idea about the location and size of a tumor and which tissues are involved. Moreover, the contrast allows the doctors to observe functional abnormalities that are not visible on a regular scan like how well blood flowing through your vessels. Gadolinium is used as the contrast, and you must intimate the doctor or technician about any previous allergies to the contrast or previously compromised renal function. Hope this helps. Take care
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thank you for your reply . i saw my family doctor on tuesday and my neurolagist has written to him saying they have found a white mass under the serebum part of my brain and thats why i am have the dye this time . could u possably give me any idea what it could be good or bad thank you
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