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Related Concept Videos

Knee Joint01:23

Knee Joint

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The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
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Bones of the Lower Limb: Femur and Patella01:16

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The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
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Ankle Joint01:10

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The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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Updated: Aug 6, 2025

Destabilization of the Medial Meniscus and Cartilage Scratch Murine Model of Accelerated Osteoarthritis
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Discoid Lateral Meniscus.

Abigail L Campbell1,2, J Lee Pace3, Bert R Mandelbaum4

  • 1Kaiser Permanente West Los Angeles, Los Angeles, CA, USA. abigail.campbell@nyulangone.org.

Current Reviews in Musculoskeletal Medicine
|March 15, 2023
PubMed
Summary
This summary is machine-generated.

Discoid lateral meniscus (DLM) is a variant with excess tissue and instability. Evolving surgical techniques now focus on tailored treatments and joint restoration, moving beyond traditional partial meniscectomy.

Keywords:
DiscoidKnee preservationMeniscal repairMeniscal transplantation

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Area of Science:

  • Orthopedics
  • Knee Surgery
  • Meniscal Pathology

Background:

  • Discoid lateral meniscus (DLM) is a common meniscal variant characterized by excess tissue, altered collagen, and instability.
  • Historically, partial lateral meniscectomy was the standard treatment, but long-term sequelae are increasingly recognized.

Purpose of the Study:

  • To provide a comprehensive review of current knowledge regarding Discoid Lateral Meniscus (DLM).
  • To focus on DLM pathology, surgical techniques, and outcomes.
  • To highlight recent advancements and future directions in DLM management.

Main Methods:

  • Literature review of current knowledge on DLM.
  • Analysis of evolving surgical techniques and outcomes.
  • Presentation of a proposed classification system and management algorithm.

Main Results:

  • A paradigm shift is occurring in DLM surgical management due to recognized long-term issues with partial lateral meniscectomy.
  • Surgical understanding and techniques have advanced, with new classifications and optimal procedures described.
  • Management strategies must be individualized based on variable DLM pathology.

Conclusions:

  • Current surgical management of DLM is evolving towards more tailored approaches.
  • Restoration of the joint and addressing DLM pathology are key considerations.
  • Further research is needed to refine understanding and treatment of this condition.