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Labral Lesion: Causes, Symptoms & Treatment

A labral lesion is an injury to the labrum, the fibrocartilage ring of the hip or shoulder joint, causing pain, clicking, and restricted movement.

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Things worth knowing about "Labral lesion"

A labral lesion is an injury to the labrum, the fibrocartilage ring of the hip or shoulder joint, causing pain, clicking, and restricted movement.

What Is a Labral Lesion?

A labral lesion refers to damage or a tear of the labrum – a ring-shaped fibrocartilage structure lining the rim of the hip or shoulder joint socket. The labrum deepens the joint socket, enhances stability, distributes pressure loads, and acts as a seal for the synovial fluid. When injured, it significantly impairs both joint stability and overall function.

Causes

Labral lesions can develop through several different mechanisms:

Traumatic causes: Falls onto the shoulder, sudden rotational movements, or joint dislocations (luxations).
Degenerative causes: Wear and tear from repetitive loading over time, commonly seen in older patients.
Sports overuse: Throwing sports (baseball, handball), martial arts, swimming, or hip-rotation sports such as ballet and golf.
Anatomical variants: Femoroacetabular impingement (FAI) of the hip or congenital shoulder instability increases the risk of labral tears.

Symptoms

Symptoms vary depending on the affected joint but share common features:

Deep joint pain that is often difficult to localize and intensifies with specific movements.
Clicking, snapping, or catching sensations in the joint during motion.
Limited range of motion and stiffness, especially after periods of rest.
A feeling of instability, as if the joint might give way or dislocate.
In hip labral tears: groin pain that may radiate to the inner thigh or buttock.
In shoulder labral tears: pain with overhead movements or while sleeping on the affected side.

Diagnosis

Diagnosing a labral lesion requires a combination of clinical examination and imaging:

Clinical tests: Specific maneuvers such as the FABER test (hip) or the O'Brien test (shoulder) indicate potential labral damage.
MRI (Magnetic Resonance Imaging): The preferred imaging method; MR arthrography with contrast agent provides the most accurate visualization of labral tears.
Arthroscopy: Direct joint visualization is considered the gold standard for definitive diagnosis and allows simultaneous surgical treatment.
Ultrasound and X-ray: Complementary methods used to rule out other conditions.

Treatment

Conservative Treatment

Milder labral lesions may initially be managed conservatively:

Rest and reduction of joint loading.
Physiotherapy to strengthen the muscles surrounding the joint and improve stability.
Pain management with anti-inflammatory medications (e.g., NSAIDs such as ibuprofen).
Intra-articular corticosteroid injections for short-term pain relief.

Surgical Treatment

When conservative measures are insufficient, surgical intervention is indicated:

Arthroscopic labral repair: The torn labrum is reattached to the bone using suture anchor techniques (refixation).
Labral reconstruction: In cases of severely damaged tissue, reconstruction using autograft tissue may be necessary.
Labral debridement (resection): Removal of non-reconstructable tissue; this approach is performed less frequently today.
Simultaneous treatment of associated pathologies (e.g., bony correction for FAI).

Rehabilitation

Surgery is followed by a structured rehabilitation program including physiotherapy, targeted strengthening exercises, and a gradual return to activity over several weeks to months. Full return to sport is typically possible after 3 to 6 months.

References

Ganz R, Parvizi J, Beck M, Leunig M, Nötzli H, Siebenrock KA. Femoroacetabular impingement: a cause for osteoarthritis of the hip. Clinical Orthopaedics and Related Research. 2003;417:112-120.
Minkara AA, Westermann RW, Rosneck J, Lynch TS. Systematic Review and Meta-analysis of Outcomes After Hip Arthroscopy in Femoroacetabular Impingement With Labral Tears. The American Journal of Sports Medicine. 2019;47(2):488-500.
Lippitt SB, Matsen FA. Mechanisms of glenohumeral joint stability. Clinical Orthopaedics and Related Research. 1993;291:20-28.

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