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  #1  
Old 12-09-2010
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MRI What is T2 Intense Lesions in MRI?

Guys I was doing some questions in FA questions and answers and I found that Progressive Multifocal Leukoencephalopathy (PML) typically presents as multiple non-enhancing T2-hyper-intense lesions????? What does that mean????? I don't get the T2?????
Maybe I am to tired know and my brain is not working good.
Someone???????
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Old 12-09-2010
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Just found it
http://en.wikipedia.org/wiki/Magnetic_resonance_imaging

If someone else is interested.
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Old 12-09-2010
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Yeah - I was going to tell you T2 are MRI at the T2 level but you discovered this already
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Old 12-09-2010
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Quote:
Originally Posted by ashishkabir View Post
Yeah - I was going to tell you T2 are MRI at the T2 level but you discovered this already
T2 and T1 are two different modes in MRI.
One is better for intracellular edema and the other for hemorrhages or something like that.....I learnt it in radiology internship a yr ago, keep forgetting which is which.
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Old 12-10-2010
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Ohh - I think I should have read the whole explanation on wiki first... now I feel stupid... I've got to get me a couple of weeks at Radiology too
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Old 12-10-2010
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Don't feel stupid my friend, every day we learn something new. There's a lot of stuff we have to learn for this exam so every post in this forum helps.
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Old 04-11-2011
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Default this one will help

world war 2

water looks white in T2


fat-containing tissues are dark. The reverse is true for T1-weighted images. Damaged tissue tends to develop edema, which makes a T2-weighted sequence sensitive for pathology, and generally able to distinguish pathologic tissue from normal tissue
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