Hip Labral Tear or Arthritis? Why Your Hip Pain May Not Be What You Think

Of every recurring conversation I have about hip pain, this one might be the most consequential. A patient arrives with hip pain, an MRI report listing a labral tear, and the assumption that hip arthroscopy will fix it. Sometimes that is right. Often it is not — because the labral tear is part of an underlying hip arthritis or impingement process that arthroscopy alone cannot fix. Telling these two situations apart is one of the most important decisions in hip care.

The most common hip-pain misdiagnosis

Here is the pattern I see regularly: an adult develops gradually worsening hip pain — often deep in the groin, often worse with sitting, often with some clicking or catching. They get an MRI, and the report mentions a labral tear. The patient — and sometimes the referring provider — focuses on the labral tear and frames the conversation around arthroscopy.

But that same MRI usually also mentions one or both of:

• FAI (femoroacetabular impingement) — a shape mismatch between the ball and socket that pinches the labrum and over time damages the joint surface
• Cartilage thinning, joint-space narrowing, or other early arthritic changes

Those findings are often the bigger story. The labrum did not fail in isolation — it is part of the same process that is now also producing impingement or arthritis. The cost of getting this wrong is real: time, money, and an operation that may not fix the underlying problem.

What the labrum actually is

The labrum is a ring of fibrocartilage around the rim of the hip socket (acetabulum). It deepens the socket, helps seal the joint, and stabilizes the ball-and-socket mechanics of the hip. When it tears, the body sometimes notices and sometimes does not.

Two very different kinds of labral tear

Labral tears generally fall into two camps, and they call for very different thinking:

Traumatic labral tear

A specific injury — a fall, a sports impact, a hard pivot — in a younger patient, with a hip that was otherwise healthy before. Mechanical symptoms (catching, clicking, giving way) may be prominent. The arthritis baseline is usually normal. Arthroscopy is often the right answer for this group.

Degenerative labral tear

No specific injury. The pain has built up gradually, often over months or years. There is usually an underlying anatomical or degenerative cause — most commonly FAI, and often early arthritic changes on imaging. The labrum didn't fail in isolation — it's part of the same process that is producing the impingement or arthritis.

Why MRIs can mislead

MRI is excellent at showing structural detail — but it tells you what is there, not what is causing your pain. Several realities make this a common source of confusion:

• Asymptomatic labral tears are common in adults. Studies of asymptomatic volunteers show labral tears on MRI in a meaningful percentage of them.
• MRI shows the labral tear vividly but can under-represent the importance of joint-surface cartilage changes, which often require weight-bearing X-rays to fully appreciate.
• The radiologist's job is to describe everything they see, not to decide which finding is causing the pain. That clinical interpretation is the surgeon's job.
• "Labral tear" sounds fixable. "Arthritis" sounds chronic. That linguistic bias can push the conversation in the wrong direction.

Signs the arthritis is the real driver

A few patterns suggest the labral tear is incidental and the arthritis is what is actually causing your pain:

If most of these describe you, the arthritis is probably driving the pain — and the treatment plan should be built around the arthritis, not the labrum.

When arthroscopy is the right answer

Hip arthroscopy has a real, defensible role. It tends to be the right answer when:

For this group, hip arthroscopy is a reasonable, well-studied operation. The decision gets harder — and the outcomes less reliable — as the patient is older, as more arthritis is visible on imaging, and as the tear pattern looks more degenerative.

When arthroscopy won't fix it

The harder and more common situation: you have meaningful arthritis on your X-rays alongside the labral tear. Multiple studies have looked at this exact scenario, and the finding is consistent: hip arthroscopy in patients with significant arthritis produces poor and short-lived results, and many of these patients go on to need a hip replacement within a few years anyway.

The reasons are mechanical:

1. The pain wasn't coming from the labrum. It was coming from the cartilage wear underneath. Repairing or trimming the labrum does not resurface that cartilage.
2. The labrum is part of the cushioning system. Disrupting it in a hip that is already losing cartilage tends to accelerate the underlying problem, not solve it.

What to do when arthritis is the answer

If your evaluation points to arthritis as the actual driver of your hip pain, the pathway looks very different from the arthroscopy route — and it almost never starts with surgery:

1. Nonsurgical care first. Activity modification, physical therapy, and weight management form the foundation.
2. Ultrasound-guided injections, when appropriate. The hip joint is deep, so accurate placement matters — ultrasound-guided cortisone or PRP injections can provide meaningful relief in the right situations and help confirm that the joint itself is the source of pain.
3. Reassess if symptoms become limiting. The bar for moving to replacement is the pain meaningfully interfering with your life despite genuine nonsurgical effort. See the signs you may need a hip replacement for what that conversation usually looks like.
4. Hip replacement, when it's time. Modern hip replacement — particularly through the direct anterior approach — is highly durable (more than 90% of replacements remain intact at 30 years) and dramatically improves quality of life for the right patient.

What patients tell me

The conversations are remarkably consistent:

The honest answer in each case is different, and that's the point: the right plan depends on which situation you're actually in, not on which finding the MRI report led with.

Next step

If you have hip pain and an MRI report mentioning both a labral tear and arthritis — or if you've had a hip arthroscopy and you're not better — the most useful thing you can do is get an honest evaluation that focuses on what's actually driving the pain, not just what shows up on the picture. The right answer might be nonsurgical care for years, or it might be a conversation about replacement. It almost certainly isn't another scope.