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Related Concept Videos

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The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
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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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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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Knee Joint01:23

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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.
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Bone Markings01:26

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Bones have various surface features that help form joints and attach to other soft tissues. Depending on the function, bone markings are categorized into articulating projections, processes for attachment, depressions, and openings.
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Joints form during embryonic development in conjunction with the formation and growth of the associated bones. The embryonic tissue that gives rise to all bones, cartilage, and connective tissues of the body is called mesenchyme.
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A Reproducible Cartilage Impact Model to Generate Post-Traumatic Osteoarthritis in the Rabbit
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Intercondylar Notch Pathology.

Nisha Crouser1, Jonathan Wright1, Alex DiBartola1

  • 1Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, Ohio.

The Journal of Knee Surgery
|December 20, 2022
PubMed
Summary
This summary is machine-generated.

Rare knee pathologies in the intercondylar notch, beyond cruciate ligament injuries, can cause persistent pain. This review highlights diagnostic and treatment options for these uncommon conditions.

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Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Pathology

Background:

  • The knee's intercondylar notch harbors various rare pathologies beyond cruciate ligament injuries.
  • These conditions can lead to persistent, undiagnosed knee pain and dysfunction.

Approach:

  • This review identifies diagnostic modalities and treatment strategies for rare intercondylar notch lesions.
  • Focuses on conditions such as ganglion cysts, mucoid degeneration, proliferative conditions, and intra-articular tumors.

Key Points:

  • Advanced imaging studies are crucial for diagnosing these rare intercondylar notch pathologies.
  • Arthroscopic surgery is a primary treatment modality for many of these intra-articular conditions.

Conclusions:

  • Identifying rare intercondylar notch pathologies is essential for managing patients with vague knee pain.
  • Early diagnosis and appropriate treatment can improve patient outcomes for these uncommon knee conditions.