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The double ACL sign: an unusual bucket-handle tear of medial meniscus

  • Knee
  • Published:
Knee Surgery, Sports Traumatology, Arthroscopy Aims and scope

Abstract

Several characteristic magnetic resonance imaging (MRI) signs of meniscal bucket-handle tears are well known and widely used. This case report presents a new MRI sign of a meniscal bucket-handle tear. A 17-year-old boy visited our hospital because of the pain in his left knee. Preoperative MRI on sagittal view showed a tear in the anterior horn of the medial meniscus and a displaced fragment of the medial meniscus in front of the original anterior cruciate ligament (ACL), which looks like another ACL. Under arthroscopic examination, the bucket-handle medial meniscus displaced parallel to the ACL was observed. A longitudinal tear was extended from the anterior horn to the posterior horn of medial meniscus. To our knowledge, this new MRI sign of bucket-handle tear, “the double ACL sign”, has not been previously reported. Level of evidence V.

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Acknowledgments

We would like to thank Ms. Janina Tubby for her editing assistance.

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Authors and Affiliations

  1. Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan

    Koji Takayama, Takehiko Matsushita, Tomoyuki Matsumoto, Seiji Kubo, Masahiro Kurosaka & Ryosuke Kuroda

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  1. Koji Takayama
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  2. Takehiko Matsushita
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  3. Tomoyuki Matsumoto
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  4. Seiji Kubo
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  5. Masahiro Kurosaka
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  6. Ryosuke Kuroda
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Corresponding author

Correspondence to Ryosuke Kuroda.

Additional information

A longitudinal tear was extended from the anterior horn to the posterior horn of medial meniscus.

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Takayama, K., Matsushita, T., Matsumoto, T. et al. The double ACL sign: an unusual bucket-handle tear of medial meniscus. Knee Surg Sports Traumatol Arthrosc 19, 1343–1346 (2011). https://doi.org/10.1007/s00167-011-1441-0

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  • DOI: https://doi.org/10.1007/s00167-011-1441-0

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