What is sacroiliitis, and how does an MRI help find it?

Question

Hello doctor,

My MRI says something about sacroiliitis, but I do not understand it. The report says MRI is more sensitive than CT scans for detecting early changes in my bones. Does that mean it is something serious? The doctor mentioned bone marrow edema and some other things like synovitis, but I do not know what that means either. I was also told MRI can show things like capsulitis, but I still do not get what is happening.

Should I be worried about these findings?
Can someone explain what sacroiliitis is and how an MRI helps find it?
Is there something I should do about this, or is it just something to watch for now?

Kindly help.

Answer 1

Hello,

Welcome to icliniq.com.

I read your query and can understand your concern.

Sacroiliitis refers to inflammation of the sacroiliac joints, which are located where your lower spine connects to your pelvis. This condition can cause pain in the lower back and buttocks and even radiate down your legs. It is associated with ankylosing spondylitis or psoriatic arthritis.

An MRI (magnetic resonance imaging) is more sensitive than CT (computed tomography) scans for detecting early changes.

Swelling in the bone marrow is an early sign of inflammation and irritation within the bone, which is seen more clearly on MRI.
Inflammation of the synovium, the lining of your joints. When this lining becomes inflamed, it contributes to joint pain and stiffness.
Inflammation of the joint capsule, the fibrous tissue that surrounds a joint. In the sacroiliac joint, this can cause pain and difficulty moving.

The typical treatment for sacroiliitis involves anti-inflammatory medications, physical therapy, and biologic drugs. Physical activity and exercises that strengthen the muscles around the pelvis and lower back can help relieve pressure on the sacroiliac joints.

A physical examination by an orthopedic in a hospital is a must.

I hope I have answered your question.

Let me know if I can assist you further.

Regards.