Key points
Read this first if you are trying to decide whether this topic applies to your symptoms or reports.
- The facet joints are paired small joints at the back of every level of the spine.
- When a facet joint becomes inflamed, hypertrophied, or develops a synovial cyst, the result is often radicular pain that mimics a disc herniation: a sharp pain radiating from the back into the leg.
- Identifying the facet as the cause requires both kinds of imaging.
What this means
The facet joints are paired small joints at the back of every level of the spine. They guide the spine’s motion and carry part of its load. They are easy to miss on a routine spine evaluation because most attention goes to the disc and the major nerves — yet they are a common, treatable source of pain.
How it is evaluated
When a facet joint becomes inflamed, hypertrophied, or develops a synovial cyst, the result is often radicular pain that mimics a disc herniation: a sharp pain radiating from the back into the leg. The exam may look identical to sciatica, but the source is the joint, not the disc.
How treatment is discussed
Identifying the facet as the cause requires both kinds of imaging. MRI is sensitive to fluid and joint enlargement; CT shows the bone in detail — erosion, fragmentation, and overgrowth. Reading the two together gives a confident answer before any procedure is planned.
When to seek urgent care
Do not wait for a routine clinic appointment if symptoms are sudden, severe, or rapidly worsening.
- New or worsening weakness in an arm or leg.
- Loss of bladder or bowel control, or numbness around the saddle area.
- Severe headache, confusion, seizure, or sudden vision changes.
What to bring or send before the visit
Good preparation helps the clinic understand the case faster and avoids repeating tests when recent reports are already available.
- Recent MRI, CT, X-ray, or nerve test reports, plus the images if available.
- A short timeline: when symptoms started, what changed, and what makes them worse or better.
- Current medications, previous surgeries, and any medical conditions the doctor should know about.
Send a short description of symptoms and any recent images or reports.
Common patient questions
When should I discuss facet joint decompression: when the small joints of the spine cause big pain with a neurosurgeon?
If symptoms are persistent, worsening, linked to weakness or numbness, or if MRI/CT reports mention a brain, spine, spinal cord, or nerve concern, a specialist review can help connect the symptoms with the images.
What should I send before requesting an appointment?
Send a short description of symptoms, when they started, recent MRI or CT reports, and any images if available. WhatsApp is useful for preparation, not for diagnosis without examination.