Arthroscopic meniscectomy is a surgical keyhole procedure to remove all or part of the meniscus of the knee.
Extent of the meniscectomy
A meniscectomy may be a trimming of the meniscus, a partial meniscectomy - where only part of the meniscus is removed - or a full meniscectomy where the whole of the meniscus is removed. The surgeon will generally try to preserve the important outer rim of the meniscus.
Importance of preserving the outer rim
Because of the distribution of fibres in the meniscus, the outer rim carries most of the load that is supported by the meniscus. If the inner edge is trimmed, it won't make a huge difference to the knee, but if the outer rim is damaged then there is a strong chance of the knee developing arthritis.
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Other relevant material -
From the Experts -
- Expert view - 2017 - What is meniscus preservation and why does it matter? - by Prof Raju Vaishya (Knee Surgeon)
- Journal interpretation - 2021 - The future of meniscus science: international expert consensus by DePhillipo NN et al. - interpreted for you by Dr Sheila Strover (Clinical Editor)