Enhanced Brain Lesions

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sueg
Veteran Member


Date Joined Aug 2013
Total Posts : 718
   Posted 2/27/2014 3:18 PM (GMT -6)   
It seems that only new brain lesions would be enhanced. The old ones should look old and dried up and the new ones should be bright and lively. What is the real story about those?

And how do very old lesions that are not enhanced still cause trouble? Why were they quiet for so long and start causing problems now?

Thanks!

Gretchen1
Forum Moderator


Date Joined Jan 2007
Total Posts : 3571
   Posted 2/27/2014 10:12 PM (GMT -6)   
I think you have the real story. New active lesions show up on an MRI with contrast as white. Old lesions show up at gray or black. Old lesions can cause symptoms.

In MS, when there is a flare, old lesions can activate again and cause worsening symptoms. During a flare, a new lesion can develop. This would cause new symptoms.
Diagnosed with MS July 2006

I have no lesions on my soul and so I live with no limits.
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