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A 43-year-old female asked:

What does signal changes in the lateral and medial mensicus mean on an mri? what is a normal flexion of you knee suppose to be?

2 doctor answers6 doctors weighed in
Dr. Arnold Friedman
Radiology 46 years experience
Hard to say: If increased meniscal signal extends to its surface it is likely a tear which may need surgery. 35% of middle aged to older people may have asymptomatic tears however. If the signal does not extend to the surface it is likely degeneration which is likely not clinically significant. I do not understand the second question.
Dr. Brian Sabb
Sports Medicine 25 years experience
Could be a tear or..: Hi, Signal changes on MR can be seen with degeneration, prior surgery, and with tear of the meniscus. It depends on the meniscus morphology and the signal pattern (including as mentioned by another doc, communication to the surface). Knee flexion is up to about 130 degrees. Take care.

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Last updated Apr 1, 2019

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