Can a meniscus tear heal on its own? How is a meniscus tear treated? 

Doctor's Answer

Photo of Dr Alan Cheung
Dr Alan Cheung

Orthopaedic Surgeon

The answer is to these questions is – it depends on the location of the tear, type and size of tear, and whether there are degenerative changes in your knee also.

The meniscus is a C shaped disc of fibrocartilage. The blood supply comes from the (periphery) outside of the meniscus – the so called ‘red zone’.

Towards the centre of the meniscus (the ‘white’ zone) the blood supply is poor. There are two menisci in the knee – one on the inside of the knee (medial) and one on the outside (lateral).

Small tears in the peripheral red zone where the blood supply is good have a greater chance of healing. Over time, for a small tear in any location, symptoms may improve over time, especially with rest and a supervised exercise program.

Therefore a trial period of conservative (non-surgical) management may be advised before surgery is considered.

The exception to this are large tears e.g. bucket handle type tears, which cause a mechanical block to movement in the knee – so called ‘locking’ of the knee. Under these circumstances the patient may not be able to fully bend or straighten their knee, and may be in excruciating pain.

For these large tears, and in other situations when non-surgicial management has failed, meniscus tears may be treated with keyhole (‘arthoscopic’) surgery, where 2 small incisions are made either side of the kneecap tendon.

Through these incisions, the meniscus tear may be trimmed away (a so called ‘partial meniscectomy’) or repaired using a variety of techniques. Not all tears are suitable for repair.

Younger patients without degenerative changes present in the knee are most likely to benefit from keyhole surgery. Studies have shown that the older patient with degenerative meniscal tears may have no benefit with meniscal surgery compared to placebo or a supervised exercise program. In such patients with severe pain due to degenerative change, a partial or total knee replacement might be suitable.

If you have a meniscal tear and enjoy running, I would not try and run through the pain, as you may make the situation worse.

In the acute stages I would suggest RICE – rest,ice,compression, elevation.

I would then consult a qualified sports doctor or surgeon who would evaluate your knee and might prescribe physiotherapy to begin with.

If your symptoms improve then I would suggest swimming, cycling, rowing or elliptical trainer to begin with. As you recover further, I would slowly build up your running distance and intensity over time.

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