I would call it more sharing info and not diagnosing..

helps for understanding MRI's -

What I do is highlight some of the key words that I don't understand, and then right click for my search option{mine is set for Google}.
That's how I figure out these things.

but my internet is really slow tonight so hopefully yours is working faster.
here's the first one - you might find more on this same link-
posterolateral disc herniation
http://www.wheelessonline.com/ortho/disc_herniation