Were you sedated for the insertion of the caths and needles into your discs. ? If you were and he wennt througha nerve root that would explain all the increased pain. When I had my last disco I had no pre op meds or sedation, they did 5 levels and they went right throuh 2 nerve roots which took about a month to heal and lit my hips to my toes up..
Narrowing of the nerve outlets in your lumbar spine along with the increased pressure could be th simple explanation. If you were sedated for inserrtion if a mishap with the needle or alot of dye leakage from torn discs occcured can cause increased pressure in the sourounding area and laying on your back is usually the least comfortable position for patinets with stenosis Or increased pressure from ESI, Meylograms and discos, although they tell you to lie flat initially to ensure you don't have a nicked dura or a flid leak. I'm not sure how an MRI would detect all infections, an MRI of the back would not detect any form of mennegitis, whether it's bacterial or viral. You would need a spinal tap and the fluid tested to DX that. If you have severe neck pain when you put your chin on your chest, go to the ER.
I can't imagine doing a disco before an MRI, but docs have the choice unless you want to confront them about the sequence of testing.
IF you were sedated for insertion a lot of stuff could have occured you are unaware of.
When it comes to DXing spinal problems a neuro surgeon or ortho surgeon would who I would want tolook at things. I have never even had a surgeon read a radiologist report and have had radoiologist flat miss broken hardware and other problems on 3 occaisions.
Have you talked to any true spine specialist or are your docs relying on the radiaologist to find a problem. Which is what docs that are no more familiar with spinal structure than the radiologist do. Ask for a neuro consult about the stenosis and the DDD although everyone over the age of 30 has some degree of DDD. Disc deghydrate as you get older, it's just part of life, Some people it causes problems for and some will never complain even with severe DDD if there is no nerve involvement.
Good luck, Dave