Discoid Meniscus

Discoid meniscus is a term used to describe an abnormally block-shaped and potentially loose meniscus in the knee joint. It is believed to be a congenital condition present at birth. It occurs in approximately 5% of the population, and 25% of the time it occurs in both knees. In many cases, it does not cause symptoms; however, in some young children, it can cause “snapping knee” syndrome. In older children, a discoid meniscus can tear after an injury to the knee. A discoid meniscus that is very loose or that ...

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