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Reversed double PCL sign: unusual location of a meniscal fragment of the knee observed by MR imaging

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Abstract

A 36-year-old woman with tears of the anterior cruciate ligament and medial meniscus received a meniscectomy. The MR images obtained prior to the partial meniscectomy showed a bucket-handle meniscal tear with centrally displaced fragment lying anterior to the posterior cruciate ligament (PCL), representing a "double PCL sign"; however, after the meniscectomy, MR images demonstrated a fragment in the space posterior to the PCL where no structure is generally recognized except for the ligament of Wrisberg. This article reports a "reversed" double PCL sign, caused by inadequate surgical clearance of a bucket-handle tear of the medial meniscus.

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Authors and Affiliations

  1. Department of Radiology, Institute of Clinical Medicine, University of Tsukuba, 305-8575, Tennodai, Tsukuba, Ibaraki, Japan

    Mamoru Niitsu & Yuji Itai

  2. Department of Orthopedic Surgery, Institute of Clinical Medicine, University of Tsukuba, 305-8575, Tennodai, Tsukuba, Ibaraki, Japan

    Kotaro Ikeda

Authors
  1. Mamoru Niitsu
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  2. Kotaro Ikeda
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  3. Yuji Itai
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Correspondence to Mamoru Niitsu.

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Niitsu, M., Ikeda, K. & Itai, Y. Reversed double PCL sign: unusual location of a meniscal fragment of the knee observed by MR imaging. Eur Radiol 13 (Suppl 6), L181–L184 (2003). https://doi.org/10.1007/s00330-003-1874-z

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  • DOI: https://doi.org/10.1007/s00330-003-1874-z

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