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Glossary

What Is Foraminal Stenosis?

Foraminal Stenosis is a narrowing of the openings between spinal bones where nerve roots leave the spinal canal. The narrowed space may press on or irritate a nerve root. That pressure can cause pain, tingling, numbness, or weakness along the nerve’s path, often in the lower back and leg.

Quick Facts About Foraminal Stenosis

Category

Spinal narrowing

Used for

Explaining nerve-related back and leg symptoms

Common confusion

Central spinal stenosis

Also called

Neural foraminal stenosis, Foraminal narrowing

Often discussed with

Lumbar Radiculopathy Treatment, Spinal Stenosis Treatment

Key Takeaways About Foraminal Stenosis

  • It affects a nerve exit opening, not the entire spinal canal.
  • Symptoms may follow a specific path into the leg.
  • It is not the same as a disc bulge.

How Foraminal Stenosis Works

Hands point at a spine MRI and model on a desk with syringes, notebook, pen, and glasses

Foraminal Stenosis affects the small openings called foramina. Each opening gives a nerve root room to leave the spine. Bone spurs, worn joints, disc changes, or other tissue can reduce that space.

Related glossary terms: Nerve Root, Magnetic Resonance Imaging, Spinal Nerve.

Doctors review symptoms and images to see whether a narrowed foramen matches a specific nerve pattern. Magnetic Resonance Imaging can show discs and nearby nerves, while computed tomography can show bone detail. The location helps explain whether symptoms may involve the lower back, hip, or leg.

How It Relates to Lumbar Radiculopathy

In the lower back, foraminal narrowing may affect a lumbar nerve root. The result can feel like burning pain, pins and needles, numbness, or reduced strength along part of the leg.

A person points at a spine diagram on a monitor while holding a small vertebra model at a desk

From the Premier Injury Specialists team

When we assess lumbar radiculopathy, we connect the person’s symptom pattern with the exam and available imaging. Our team checks whether foraminal narrowing matches the affected nerve root, because an imaging finding alone may not explain every symptom.

Foraminal Stenosis in Practice: A Real-World Example

A person with lower back foraminal stenosis may feel sharp pain and tingling that travels into one leg. The symptom pattern can help show whether a lumbar nerve root is involved.

Related Terms

Nerve Root

A Nerve Root is the part of a spinal nerve that leaves the spinal cord through…

Magnetic Resonance Imaging

Magnetic Resonance Imaging is a medical imaging method that uses a strong magnetic field and radio…

Spinal Nerve

A Spinal Nerve is a bundle of nerve fibers that carries signals between the spinal cord…

Premier Injury Specialists

Have Questions About Foraminal Stenosis?

Contact Premier Injury Specialists for practical guidance on Foraminal Stenosis and related pain management physician work in Stockbridge.

(478) 607-6106