21F knee CT, incidental epiphyseal bone in bone appearance, please help

Bill Morrison wrote: I believe that finding (and occasionally a ‘paget-like’ trabecular pattern) are related to a period of immobilization during skeletal development.Don Resnick wrote: Growth recovery lines.

That settles it.
Thank you.

I know I posted something very similar a long while back, but I can’t find it….I seem to recall that the previous case was bilateral and people knew what it was…..

I wonder if there are very subtle similar findings on the right….that might be more obvious on MRI, but we only have CT
This is an incidental finding in a silly personal injury case….from a referrer who ordered bilateral knee CT in a young woman with reported fall in February ’24

Do you know what causes this?

Thanks

Hilary

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