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Meniscal tears are among the most common causes of knee pain encountered in primary care, physiotherapy clinics and orthopaedic practice.
Despite their prevalence, there remains considerable uncertainty regarding which patients require imaging, when conservative management is appropriate, and which cases warrant surgical referral.
Advances in imaging and evolving evidence around knee arthroscopy have significantly changed how meniscal pathology is managed over the past decade. MRI scans frequently identify meniscal abnormalities that may not be responsible for a patient’s symptoms, while numerous studies have challenged the routine use of arthroscopic surgery for degenerative tears.
As orthopaedic surgeons, physiotherapists and GPs, our challenge is to identify the patients who will benefit from rehabilitation, recognise those who require further investigation, and appropriately refer those who may need surgical intervention.
The menisci are fibrocartilaginous structures that play an essential role in load distribution, shock absorption, joint stability and cartilage protection within the knee.
Broadly speaking, meniscal tears can be divided into two categories:
Traumatic tears typically occur in younger or active individuals following a twisting injury, often during sport. Common tear patterns include:
Patients often describe a specific injury event associated with immediate pain, swelling and mechanical symptoms.
Degenerative tears are considerably more common in middle-aged and older adults and often occur without a significant injury.
These tears develop gradually as part of the ageing process and are frequently associated with early osteoarthritis. Studies have demonstrated that meniscal abnormalities are present on MRI in a substantial proportion of asymptomatic individuals over the age of 50.
This distinction is important because degenerative tears often respond well to conservative treatment and do not necessarily require surgery.
A thorough clinical assessment of the knee remains more valuable than relying solely on imaging findings.
Important questions include:
Patients frequently describe clicking or catching sensations; however, true mechanical locking, where the knee becomes physically stuck and cannot move, is much less common and may indicate a displaced meniscal tear.
Clinical examination should assess:
Provocative tests such as McMurray’s and Thessaly’s tests may be useful but have only moderate diagnostic accuracy when used in isolation.
The overall clinical picture remains more important than any single examination finding.
MRI is highly sensitive for detecting meniscal pathology, but this can be both a strength and a limitation.
Several studies have demonstrated that asymptomatic meniscal tears are extremely common, particularly in middle-aged and older adults.
Englund et al. found meniscal damage in approximately 35% of adults aged 50 to 90 years, with many reporting no knee symptoms whatsoever.
Consequently, identifying a meniscal tear on MRI does not necessarily mean it is the source of the patient’s pain.
MRI is generally appropriate when:
MRI should rarely be the first investigation for uncomplicated degenerative knee pain.
Perhaps no area of knee surgery has undergone greater scrutiny than arthroscopic surgery for degenerative meniscal tears.
Several high-quality randomised controlled trials and systematic reviews have demonstrated that arthroscopic partial meniscectomy offers little or no clinically meaningful benefit over structured physiotherapy for most patients with degenerative tears.
Similarly, international guidelines now generally recommend non-operative treatment as first-line management for degenerative meniscal pathology.
Many patients improve significantly within three to six months of structured rehabilitation.
While many meniscal tears can be managed conservatively, certain presentations warrant specialist assessment.
Referral should be considered for:
Young patients with traumatic tears deserve particular attention, as preservation of meniscal tissue is increasingly recognised as important for long-term joint health.
Where possible, modern surgical practice aims to repair and preserve the meniscus rather than remove it.
Clinicians should look out for red flags and maintain vigilance for alternative diagnoses.
Red flags include:
These patients require urgent investigation and referral.
The management of meniscal tears has evolved significantly over the past decade. The presence of a meniscal tear on MRI should not automatically trigger referral for surgery.
For many patients, particularly those with degenerative tears, high-quality rehabilitation remains the most effective treatment strategy.
However, surgery continues to play an important role in carefully selected patients, particularly those with traumatic tears, displaced fragments, meniscal root injuries and persistent mechanical symptoms.
The key lies in combining careful clinical assessment, appropriate use of imaging and evidence-based decision-making to ensure patients receive the right treatment at the right time.
At London Bridge Orthopaedics, we provide rapid access to expert assessment, advanced diagnostics and evidence-based treatment pathways for patients with knee and musculoskeletal conditions.
Our consultants work closely with GPs, physiotherapists, sports medicine physicians and allied healthcare professionals to ensure patients receive seamless, coordinated care. We believe surgery should only be recommended when genuinely indicated, and wherever possible we advocate a rehabilitation-first approach supported by specialist physiotherapy and non-operative treatments.
Based in central London, our clinics provide convenient access to world-class imaging, including MRI and ultrasound, alongside some of the UK’s most advanced surgical facilities. Patients requiring surgery benefit from exceptional theatre environments, specialist nursing teams and high-quality inpatient care at leading London hospitals.
For complex cases, multidisciplinary input is readily available through our network of orthopaedic surgeons, radiologists, sports and exercise medicine physicians, rheumatologists and rehabilitation specialists, ensuring every patient receives a truly holistic assessment.
Mr James Bliss is a Consultant Orthopaedic Knee Surgeon and Head of Department at Guy’s and St Thomas’ NHS Foundation Trust. He specialises in the management of complex knee conditions, including meniscal injuries, ligament reconstruction, cartilage preservation and knee arthritis.
With decades of experience treating both routine and highly complex knee problems, Mr Bliss regularly receives tertiary referrals and second-opinion cases from across the UK. His practice combines the latest evidence-based surgical techniques with a strong commitment to joint preservation and non-operative management whenever appropriate.
He works closely with physiotherapists and primary care clinicians to deliver comprehensive, patient-centred care and optimise long-term outcomes for patients with knee injuries and degenerative conditions.
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