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Shoulder & Elbow

What Does a Labral Tear on My Shoulder Scan Actually Mean?

Mr Arun Ray, Consultant Orthopaedic Surgeon

By Mr Arun Ray

Consultant Orthopaedic Surgeon specialising in Shoulder and Elbow Surgery

Published

Labrum analogy: a golf ball on a shallow tee with a raised rimA white golf ball, labelled humeral head, sits in a shallow tee. A thick raised gold rim around the edge of the tee represents the labrum, helping keep the ball centred. Four slender gold cords run from the ball to the tee, representing capsular ligaments that act as check reins to limit excess movement. A simplified conceptual analogy, not precise anatomy.123
  1. Humeral head
  2. Labrum: the raised rim of the tee
  3. Capsular ligaments: check reins limit excess movement
The labrum deepens a shallow socket in the way a raised rim would help a golf ball stay centred on its tee. Simplified conceptual illustration, not precise anatomy.

“You have a labral tear” can sound like a clear diagnosis with an obvious solution. But the phrase describes several different findings, from age-related fraying to an injury associated with a shoulder dislocation. The important question is whether the finding explains your symptoms and what, if anything, needs treating.

What is the labrum?

Think of the shoulder as a golf ball resting on a tee. The socket is shallow, allowing a wide range of movement. The labrum is a rim of firm, flexible tissue around the edge of that socket. In our analogy, it adds a raised lip to the tee, helping the ball stay centred.

It also provides attachment points for the shoulder ligaments and, at the top, the long head of the biceps tendon. A tear may involve fraying, splitting or separation of this rim from the bone. Its location matters.

Sources: [1]

What do SLAP and Bankart mean?

These names describe different patterns of injury. A SLAP tear affects the top of the labrum, around the attachment of the biceps tendon. SLAP stands for “superior labrum anterior to posterior”, meaning the upper rim from front to back.

A Bankart tear affects the front, lower part of the labrum. It commonly occurs when the shoulder dislocates forwards. A posterior labral tear affects the back of the socket. It can be associated with pain or instability. These findings are not interchangeable, and they do not all need the same treatment.

Where a Bankart labral tear occurs

Where a Bankart labral tear occursSchematic of a right shoulder socket viewed face on. The pear-shaped glenoid surface is narrower at the top. The labrum is shown as a navy rim that is intact around most of the socket. Between 3 and 5:30 on the clock face, the front lower part of the rim is shown in terracotta, lifted away from the bone with a visible gap and a dashed line marking the disrupted attachment. Superior 12 is at top, anterior 3 on the right, inferior 6 at bottom, posterior 9 on the left.Superior126InferiorAnterior3Posterior9312
  1. Intact labrum
  2. Glenoid surface
  3. Bankart tear (front, lower rim, about 3 to 5:30)

Right shoulder socket viewed face on. Superior (12) at top, Anterior (3) on the viewer's right, Inferior (6) at bottom, Posterior (9) on the viewer's left.

A Bankart tear involves the front, lower part of the labrum separating from the socket edge, often after the shoulder dislocates forwards. Whether it needs treatment, and what kind, depends on symptoms, instability and other findings. Simplified schematic, not a scan.

Where a SLAP tear occurs

Where a SLAP tear occursSchematic of a right shoulder socket viewed face on, with the same pear shape narrower at the top. The labrum is a navy rim, intact around the lower socket. From 10 to 2 on the clock face, the upper rim is shown in terracotta, lifted away from the bone with a visible gap above a dashed line marking the disrupted attachment. The long head of the biceps tendon remains attached to this torn superior segment at the biceps anchor and runs upwards. Superior 12 is at top, anterior 3 on the right, inferior 6 at bottom, posterior 9 on the left.Superior126InferiorAnterior3Posterior9123
  1. Superior labral tear (upper rim, about 10 to 2)
  2. Long head of biceps (attached at the biceps anchor)
  3. Glenoid surface

Right shoulder socket viewed face on. Superior (12) at top, Anterior (3) on the viewer's right, Inferior (6) at bottom, Posterior (9) on the viewer's left.

A SLAP tear affects the top of the labrum, where the long head of the biceps tendon attaches. Many are managed with rehabilitation first, and some are found on scans of shoulders without symptoms. Simplified schematic, not a scan.

Sources: [2], [3], [5]

Does a tear explain my pain?

Sometimes, but not automatically. In a study of 53 people aged 45–60 with no shoulder symptoms, two radiologists interpreted scans as showing superior labral tears in 55% and 72% of participants respectively. This was a small study of a specific age group, but it illustrates why a scan finding alone cannot identify the cause of pain.

A labral tear after a dislocation is a different clinical situation from fraying found on a scan of a shoulder that has gradually become painful. I want to know how your symptoms began, which movements cause difficulty and whether the shoulder feels unstable. The images need to fit that story and the examination.

Sources: [4]

What symptoms can a labral tear cause?

Symptoms may include deep shoulder pain, painful catching, difficulty with overhead activity or a feeling that the shoulder might slip out. However, these symptoms overlap with other shoulder problems. Clicking alone does not establish that a labral tear is responsible.

Sources: [1], [2]

Do I need another scan?

Sometimes an MRI arthrogram, involving an injection of contrast into the joint before scanning, helps show a suspected labral injury more clearly. It is not needed for everyone. Further imaging should answer a question that could change your treatment.

Sources: [2]

Can physiotherapy help?

Yes. Rehabilitation can improve the strength and control of the muscles supporting the shoulder. For many people with a symptomatic SLAP tear, this is the starting point. Feeling better does not require the scan to return to normal.

The practical goals are comfortable movement and a return to the activities that matter to you. Repeated slipping or dislocation deserves specialist assessment. Instability can also occur without a labral tear, including in people with naturally loose ligaments.

Sources: [2], [3]

Does a labral tear need repairing?

No. Surgery may be considered when symptoms remain limiting despite appropriate treatment, or when an injury contributes to recurrent instability. For some SLAP tears, surgery involves trimming unstable tissue or addressing the biceps attachment rather than repairing the labrum. The choice depends on the tear, your age, activities and other shoulder findings.

After repeated dislocations, bone damage may also affect the treatment plan. Repairing the labrum alone may not address the whole problem.

Sources: [2], [3]

What should I do with my report?

Bring the report and, where possible, the actual images to your assessment. Explain whether there was an injury, whether the shoulder has slipped out and what you can no longer do.

At Elite Musculoskeletal Concierge, we help interpret the findings, arrange the appropriate specialist input and coordinate your next steps. You do not need to decide which pathway you need from the report yourself.

The scan describes the labrum. Your symptoms, examination and goals guide the decision.

About the author

Mr Arun Ray is a Consultant Orthopaedic Surgeon specialising in shoulder and elbow conditions and Founder of Elite Musculoskeletal Concierge.

View clinician profile

References

  1. AAOS OrthoInfo: Shoulder Joint Tear (Glenoid Labrum Tear)
  2. AAOS OrthoInfo: SLAP Tears in the Shoulder
  3. AAOS OrthoInfo: Chronic Shoulder Instability and Dislocation
  4. Schwartzberg et al. (2016): High Prevalence of Superior Labral Tears Diagnosed by MRI in Middle-Aged Patients With Asymptomatic Shoulders. PMID 26779556.
  5. Petrera et al.: Inter-surgeon variability in the identification of clock face landmarks (PMC7094062)

This article provides general information and does not replace an individual clinical assessment.