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Dr. Chip
Dr. Chip, Board Certified Physician
Category: Medical
Satisfied Customers: 30142
Experience:  20 yrs. in practice, includinge surgery, general medicine, addiction medicine and pain.
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It says the following on my lumbar MRI: Paraspinal muscle atrophy.

Resolved Question:

It says the following on my lumbar MRI: Paraspinal muscle atrophy. What does it mean and what can I do about it, if anything.(is it the same as spinal muscle atrophy, if so, do I need a blood test to confirm?) It also says bilateral sclerosis of the SI joint (sacro-iliitis), what does this mean? I have an ESR of 25 and ANA: 160, all other tests negative for RA, CCP, lupus etc as I have swelling in both knees and ankles too.
What is the cause of so much pain and stiffness in my back? At least 3 days in the week I have to be fed lying down in my bed by family as in pain and exhausted. (I will receive results for blood test HLA B27 On Wednesday)
Submitted: 1 year ago.
Category: Medical
Expert:  Dr. Chip replied 1 year ago.
Hi.Paraspinal muscle atrophy--weakening and loss of the muscles up and down the sides of your spine-- usually is from a genetic disorder and you need testing for the SMN and VAPB genes for that.Sclerosis of the SI jpints basically is a type of arthritis and loss of the joint space there.That said, you need more specific testing for RA.If you haven't seen a rheumatologist as yet that would be the next step.Treatment would depend on the exact diagnosis Let me know if you need any more information please
Dr. Chip, Board Certified Physician
Category: Medical
Satisfied Customers: 30142
Experience: 20 yrs. in practice, includinge surgery, general medicine, addiction medicine and pain.
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Customer: replied 1 year ago.
Thank you. Does that mean the MRI information is not a confirmed diagnosis until I have the blood test?
With the sacroiliitis, I have tested negative for RA twice. I would be grateful if you could direct me as to what else it could be.
I have seen x3 rheumatologists in the last 2 years, no one has diagnosed me despite agreeing I have stiffness and pain in my spine, and inflammation in knees, ankles and spine.
Expert:  Dr. Chip replied 1 year ago.
No, the MRI isn't confirmatory--just adds information that suggests the diagnosis. The other possibility here would be ankylosing spondylitis and there may be more than one thing going on here.

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