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A female student had a complete discoid medial meniscus of right knee combined with a meniscal cyst and anomalous insertion to the anterior cruciate ligament. This was confirmed by magnetic resonance imaging (MRI) and the arthroscopic procedure. Also shown by the MRI, the left knee had the discoid medial meniscus, but it was asymptomatic.
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Kim et al. (1996) studied this question.
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