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Anterolateral ligament anatomy: a comparative anatomical study

Authors
  • Ingham, Sheila Jean McNeill1, 2
  • de Carvalho, Rogerio Teixeira2
  • Martins, Cesar A. Q.1
  • Lertwanich, Pisit1, 3
  • Abdalla, Rene Jorge2
  • Smolinski, Patrick4
  • Lovejoy, C. Owen5
  • Fu, Freddie H.1, 4
  • 1 University of Pittsburgh School of Medicine, Department of Orthopaedic Surgery, 3471 Fifth Avenue, suite #1011, Pittsburgh, PA, 15213-3221, USA , Pittsburgh (United States)
  • 2 Federal University of São Paulo, Department of Orthopaedic Surgery, São Paulo, SP, Brazil , São Paulo (Brazil)
  • 3 Mahidol University, Department of Orthopaedic Surgery, Faculty of Medicine Siriraj Hospital, Bangkok, Thailand , Bangkok (Thailand)
  • 4 University of Pittsburgh, Department of Mechanical Engineering and Material Science, Pittsburgh, PA, USA , Pittsburgh (United States)
  • 5 Kent State University, Department of Anthropology, School of Biomedical Sciences, Kent, OH, USA , Kent (United States)
Type
Published Article
Journal
Knee Surgery Sports Traumatology Arthroscopy
Publisher
Springer-Verlag
Publication Date
Dec 28, 2015
Volume
25
Issue
4
Pages
1048–1054
Identifiers
DOI: 10.1007/s00167-015-3956-2
Source
Springer Nature
Keywords
License
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Abstract

Purpose Some anatomical studies have indicated that the anterolateral ligament (ALL) of the knee is distinct ligamentous structure in humans. The purpose of this study is to compare the lateral anatomy of the knee among human and various animal specimens.MethodsFifty-eight fresh-frozen knee specimens, from 24 different animal species, were used for this anatomical study. The same researchers dissected all the specimens in this study, and dissections were performed in a careful and standardized manner.ResultsAn ALL was not found in any of the 58 knees dissected. Another interesting finding in this study is that some primate species (the prosimians: the red and black and white lemurs) have two LCLs.ConclusionThe clinical relevance of this study is the lack of isolation of the ALL as a unique structure in animal species. Therefore, precaution is recommended before assessing the need for surgery to reconstruct the ALL as a singular ligament.

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