Spinal stenosis means the spaces in the spine that hold the spinal cord and nerves have become too narrow. When those spaces get crowded, the nerves can get squeezed. That can cause pain, numbness, heaviness, or weakness in the legs or arms.

Stenosis can happen in the low back (lumbar stenosis) or in the neck (cervical stenosis). The two can feel very different, and they are treated differently. Most people start with nonsurgical care. Surgery is for when symptoms keep limiting daily life, or when the spinal cord or nerves are at risk.

Patients researching spinal stenosis in Naples or elsewhere in Southwest Florida often find that the useful question is not only "Do I have stenosis?" It is "Is the stenosis causing my symptoms, and what is the safest plan that actually fixes the problem?" That is the conversation at HSS at NCH.

What causes spinal stenosis

Most stenosis comes from slow wear over many years. Common causes include:

• Thickened ligaments inside the spinal canal

• Arthritis in the facet joints, which can enlarge and crowd the nerves

• Bulging or herniated discs that push into the canal

• Bone spurs that grow along the edges of the vertebrae

• A slip (spondylolisthesis), where one vertebra shifts forward over the one below it

• Synovial cysts, small fluid-filled sacs from an arthritic joint that can press on a nerve

Symptoms of lumbar stenosis

The classic pattern in the low back is called neurogenic claudication:

• Pain, heaviness, tiredness, numbness, or tingling in the legs or buttocks that comes on with walking or standing

• Relief with sitting or bending forward

• Being able to walk farther when leaning on a shopping cart, because bending forward slightly opens the canal

Back pain is often there too, but the leg symptoms usually limit daily life most. Stenosis can also pinch one nerve root and cause sciatica down one leg.

Symptoms of cervical stenosis and myelopathy

In the neck, stenosis can cause neck pain, or pain, numbness, tingling, and weakness in the arms when a nerve root is pinched (radiculopathy).

Cervical stenosis can also press on the spinal cord itself. This is called myelopathy, and it can be painless. Warning signs include:

• Clumsy hands, trouble with buttons, or handwriting getting worse

• Dropping things more often

• Trouble with balance or walking, especially in the dark or on stairs

• Numbness in the hands

• Changes in bowel or bladder control

Cord compression usually does not get better on its own. When it is getting worse, it is not a "wait and see" problem.

How spinal stenosis is diagnosed

Diagnosis starts with a careful history and exam: how far you can walk, which positions help or hurt, and whether there is weakness, numbness, or reflex changes. In the neck, the exam also looks for signs of cord compression, such as very brisk reflexes.

MRI shows the narrowing, how tight it is, and whether nerves or the spinal cord are being pressed. X-rays, including bending views, show alignment and whether there is a slip or instability, which can change the surgical plan.

An MRI and a course of physical therapy before the first visit are preferred.

Nonsurgical care comes first

For mild to moderate stenosis without worsening weakness or cord symptoms, nonsurgical care is the starting point:

• Physical therapy focused on core strength, posture, and positions that open the canal

• Activity changes, such as pacing walks and avoiding long periods of standing

• Medicines to calm pain and inflammation, when safe for you

• Epidural steroid injections through a pain management specialist, which can calm irritated nerves and help show which level is causing symptoms

Nonsurgical care helps manage symptoms. It does not widen the canal.

Cervical myelopathy is different. Therapy and injections do not take pressure off a compressed cord. Mild, stable cases may be watched closely, but worsening cord symptoms usually move the conversation toward surgery.

When surgery makes sense

Surgery may be considered when:

• Leg or arm symptoms keep limiting walking, standing, or daily activities despite good nonsurgical care

• Weakness is getting worse

• There are signs of cervical myelopathy, especially if they are progressing

• Imaging and exam match the symptoms, so the surgery is aimed at the real cause

Surgical options Dr. Clark offers

The main goal of stenosis surgery is decompression: removing the bone, ligament, or disc material that is crowding the nerves or cord. The approach depends on where the stenosis is and whether the spine is stable.

Low back (lumbar) stenosis

• Minimally invasive decompression (ULBD laminectomy). Through a small incision on one side of the back, enough bone and ligament are removed to open both sides of the canal. When the spine is stable, this is usually not a fusion, and many people go home the same day.

• MIS-TLIF when there is a slip or instability. If a vertebra has slipped or the level moves too much, decompression alone may not be enough. A minimally invasive fusion takes pressure off the nerves and stabilizes the level so the bones can heal together over months. Other fusion approaches, such as LLIF or ALIF, may fit selected stenosis cases with a slip.

• Synovial cyst excision, when a cyst from an arthritic joint is the main thing pressing on the nerve.

Neck (cervical) stenosis

• ACDF (anterior cervical discectomy and fusion). Through a small incision on the front of the neck, the diseased disc and bone spurs are removed to free the nerve roots and cord. The level is then fused.

• Cervical disc replacement. The diseased disc is removed from the front and replaced with a motion device instead of a fusion, when the level is a good candidate for keeping motion.

Where robotic guidance fits

Robotic guidance is used only for placing posterior screws in selected fusions, such as MIS-TLIF. It is not used for decompression, ACDF, or cervical disc replacement. The surgeon does the decompression by hand and makes every surgical decision.

Recovery overview

Recovery depends on the operation, not the diagnosis. Written discharge instructions win if they differ.

• Lumbar decompression (ULBD): Often same-day. A brace is case by case. Walking is the main exercise. No extra bending, lifting, or twisting for 6 weeks. Many people who are healing well are released from routine care at about 6 weeks.

• Lumbar fusion (MIS-TLIF): Usually an overnight stay and a short LSO brace. Same 6-week bending, lifting, and twisting limits. Fusion follow-up continues for months while bone heals. No nicotine, and no NSAIDs for 3 months.

• ACDF or disc replacement: Usually same-day for 1 to 2 levels. A soft collar for about the first 2 weeks is typical. Some trouble swallowing early on is expected.

• Driving (all): No driving for the first 2 weeks, and only once off all narcotics.

Early visits are usually with Jorge Monje, APRN (Spanish and English). Surgery relieves pressure on the nerves or cord. The nerves still have to heal, and numbness and weakness often improve more slowly than pain. No result can be promised.

Red flags: get urgent care

Call 911 or go to the ER for new loss of bowel or bladder control, new numbness in the groin or "saddle" area, rapidly worsening leg or arm weakness, or quickly worsening hand clumsiness or balance.

Why Dr. Clark and HSS at NCH

• Fellowship-trained orthopedic spine surgeon: spine fellowship at Hospital for Special Surgery and orthopedic residency at Mayo Clinic

• Focus on minimally invasive spine surgery, with the least invasive plan that accomplishes the goals

• Surgery performed at NCH hospitals, with clinic at HSS at NCH, 11190 Health Park Blvd, Building 2, Suite 2102, Naples, FL 34110

• Serving Naples, Estero, Bonita Springs, Fort Myers, and the wider Southwest Florida community

FAQs

Will spinal stenosis get worse over time?

Often, yes, but slowly. The canal does not widen on its own. Symptoms can level off for long stretches, and many people manage for years without surgery.

Why does bending forward help?

Bending forward slightly opens the spinal canal and gives crowded nerves more room. That is why sitting or leaning on a shopping cart helps, and why standing straight or walking downhill can make symptoms worse.

Can physical therapy fix stenosis?

PT cannot reverse the narrowing. It can improve strength, posture, and walking tolerance, which helps many people work around their stenosis.

Do injections cure stenosis?

No. Epidural injections can calm inflamed nerves and give relief for a period of time. They do not change the narrowing.

I have no pain, just clumsy hands. Could that be my spine?

Yes. Painless hand clumsiness and balance trouble can be signs of cervical myelopathy. It should be checked soon.

Is robotic surgery used for stenosis?

Only for placing posterior screws when a fusion is part of the plan. Decompression, ACDF, and disc replacement do not use the robot.

Talk with Dr. Clark about spinal stenosis

If walking distance is diminishing, standing has become a chore, or your hands or balance are changing, call our team at (239) 624-0306. New patients are usually seen within 7 to 10 days, and sooner when the problem is urgent. An MRI and a course of physical therapy before the first visit are preferred. Bring any imaging and reports you have.

Call (239) 624-0306 · Request an appointment

Nicholas J. Clark, MD, orthopedic spine surgery (minimally invasive and robotic), HSS at NCH, Naples, FL. This page is educational and not medical advice for your specific condition.