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A 24-year-old female asked:

What does it mean if a t2 prolongation on brain mri is getting larger?

1 doctor answer1 doctor weighed in
Dr. Saptarshi Bandyopadhyay
Hospital-based practice 21 years experience
Very complicated ans: Without going into the physics of MRI (which I doubt even the most ardent Radiologist could explain), prolongation of the T2 signal (a bright area on T2-weighted images) generally means a higher water content - swelling from stroke, inflammation, tumors, infections can cause this. If you've had multiple MRIs, increasing prolongation may not mean much as each MRI is obtained differently.

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Last updated Jan 12, 2020

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