What Does Anterolisthesis Of The L5 Upon S1 Mean

  • Thread starter Thread starter CHAJDAJ
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I believe it means that your L5 vertebrae is slipping off your S1. I have Spondylolisthesis, which means that my L5 is slipping off my S1 toward my belly. Maybe Anterolisthesis means it is slipping backwarRAB?
 
Thank you. This showed up on my 18yrs cat scan results. They did they cat scan to look at her appendix and on the report it talked about the L5 on the s1. They suggested a surgical consultation. How does this happen? Could this happen because of a hard fall?
 
I am wondering the same thing. Dose she have a fracture? My fracture is causing the slippage. My surgeon said it happened when I was about 10 years old. He said sometimes these things are developmental, and sometimes they are a result of an injury. Your guess is as good as mine!
 
Yes, anterolisthesis is another name for spondylolisthesis. So her L5 vertebra (the bottomost of the lurabar part) is sliding forward on the S1 vertebra (the top of the sacrum part). It can be genetic aswell (when you're missing a tiny bit of bone in the joints at the back of the spine) so may not be due to disc degeneration or an accident. There's different grades of slippage (1-5, I think). If it's small (grade 1), and not causing much pain (back pain and/or leg pain), they often don't operate. (Although it may be different when its genetic...maybe they like to treat it early to prevent later damage?).

Hope that helps a little for when she sees the surgeon.

Jinks :)
 
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