Anterolateral Meniscofemoral Ligament Associated with Ring-shaped Lateral Meniscus and Congenital Absence of Anterior Cruciate Ligament, Managed with Ligament Reconstruction

Document Type : CASE REPORT

Authors

1 Department of Orthopedic Surgery, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran

2 Department of Orthopaedic Surgery, Atieh private Hospital, Tehran, Iran

3 *Harvard Medical School, Boston, USA * Iran University of Science and Technology, Tehran, Iran

4 Sports Medicine Department, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran 6 Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran

5 *Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran *Department of Orthopedics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran

6 *Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran * Department of MPH, Shiraz University of Medical Sciences, Shiraz, Iran

Abstract

A 24 year old otherwise healthy male was presented with a chief complaint of giving way in the left knee. MRI reported
complete anterior cruciate ligament (ACL) tearing. Arthroscopy showed ACL agenesis, ring-shaped lateral meniscus,
and an anomalous thick band extending from the anterior horn of the lateral meniscus to the intercondylar notch of the
lateral femoral condyle, which is known as the anterolateral meniscofemoral ligament (MFL). The MFL was attached
to the anatomic site of anteromedial bundle of ACL. ACL reconstruction surgery was performed using central 1/3 bone
tendon bone graft.
Practitioners should be aware that ACL reconstruction in lateral meniscofemoral ligament with associated ACL agenesis
is a treatment option in which the preservation of MFL, as the stabilizer of anterior horn of lateral meniscus, should be
considered during ACL reconstruction as a good treatment choice.
Level of evidence: V

Keywords

Main Subjects

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The Archives of Bone and Joint Surgery
Volume 8, Issue 1
January 2020
Pages 112-116

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History

  • Receive Date: 11 April 2019
  • Accept Date: 20 October 2019

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