: Protrusion or Extrusion? Here is an MRI picture of someone who suffers from a backache. Does any one know that his problem is disk extrusion or disk protrusion? It does not seems to be a disk extrusion, yes? Thank you in

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To me it appears like an extrusion, have a close look at this.

The aperture of the disk material that is outside its confined space is larger than the the width of its normal boundaries. Since, it's very minor I still doubt to completely categorize it.

I read an article that explains the difference between "disk protrusion & extrusion": here is the link to it.