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Intrasubstance Degeneration
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by Kautz, Mar 28, 2012
I am 59 years of age and was struck by a car (I was standing, facing the vehicle as it struck me).  After negative x-ray findings and physical evaluation, the doctor ordered several months of physical therapy.  The pain continues, a little more than one year after the incident.  Prior to this incident I had no loss of mobility, flexibility, or endurance, and I had zero pain in my legs or knees.

I had an MRI done on my left knee (the worst of the two) - the summary stated that I have an "Intrasubstance Degeneration of the Posterior Horn of the Medial Meniscus" but otherwise nothing of note.

Can someone please let me know what this means, what the best course of action should be, and the outlook as per the various treatment(s) stated?
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by S. Kaul, MDBlank, Apr 19, 2012
Hi there!

Degeneration refers to loss of structural or functional integrity. Intrasubstance refers to within the structure. The management would depend on the severity of the degeneration and the presence of other injuries, if any. With mild degeneration and no other injuries, conservative management is best preferred. I would suggest discussing the management plan in detail with your treating orthopedician.
Hope this is helpful.

Take care!