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KMID : 1103720210820020455
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Journal of the Korean Society of Radiology
2021 Volume.82 No. 2 p.455 ~ p.461
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Snapping Knee Caused by a Superiorly Displaced Medial Meniscus: Knee Dynamic Ultrasonographic Findings
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Oh Hyun-Seok
Kim Tae-Eun
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Abstract
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The causes of snapping knee include meniscal instability, but dynamic ultrasonographic findings have rarely been reported. Here, we report a case of snapping knee due to direct trauma to the right knee of a 79-year-old woman. Dynamic ultrasonography is used to confirm the snapping phenomenon caused by the anterosuperior displacement of the truncated posterior horn and body of the right medial meniscus.
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KEYWORD
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Knee, Ultrasonography, Meniscus, Torn Tibial Meniscus
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