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MR imaging of meniscal malformations of the knee mimicking displaced bucket-handle tear

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Abstract

We report two cases of patients with lateral meniscal malformations of the knee that were found incidentally. Magnetic resonance imaging (MRI) of both cases showed a fragment-like meniscus structure located in the intercondylar notch, very similar to the "fragment in the intercondylar notch sign" observed in displaced bucket-handle tear. Arthroscopic examinations revealed a ring-shaped lateral meniscus in one case, and "flipped-over" lateral meniscus in the other. In the latter, a similar lateral meniscal malformation was observed contralaterally at MR arthrography.

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Authors and Affiliations

  1. Department of Radiology, Japan Self-Defense Forces Central Hospital, 1-2-24, Ikejiri, Setagaya, Tokyo 154-8532, Japan

    Akira Fujikawa, Taiji Tamura & Yutaka Naoi

  2. Department of Orthopedic Surgery, Japan Self-Defense Forces Central Hospital, 1-2-24, Ikejiri, Setagaya, Tokyo 154-8532, Japan

    Hisayoshi Amma & Yoh Ukegawa

Authors
  1. Akira Fujikawa
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  2. Hisayoshi Amma
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  3. Yoh Ukegawa
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  4. Taiji Tamura
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  5. Yutaka Naoi
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Fujikawa, A., Amma, H., Ukegawa, Y. et al. MR imaging of meniscal malformations of the knee mimicking displaced bucket-handle tear. Skeletal Radiol 31, 292–295 (2002). https://doi.org/10.1007/s00256-002-0490-3

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  • DOI: https://doi.org/10.1007/s00256-002-0490-3

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