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Related Concept Videos

Knee Joint01:23

Knee Joint

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 group...
Bones of the Lower Limb: Femur and Patella01:16

Bones of the Lower Limb: Femur and Patella

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 neck...

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Related Experiment Video

Updated: May 22, 2026

Autologous Microfractured and Purified Adipose Tissue for Arthroscopic Management of Osteochondral Lesions of the Talus
07:24

Autologous Microfractured and Purified Adipose Tissue for Arthroscopic Management of Osteochondral Lesions of the Talus

Published on: January 23, 2018

[Acute osteochondral lesions after patella dislocation].

S Rosslenbroich1, M Raschke, W Petersen

  • 1Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Münster, Deutschland.

Der Unfallchirurg
|May 17, 2012
PubMed
Summary

Acute osteochondral knee lesions from patella dislocations require MRI if X-rays are negative. Surgical refixation with biodegradable implants offers good results, with individualized rehabilitation crucial for knee injury recovery.

Related Experiment Videos

Last Updated: May 22, 2026

Autologous Microfractured and Purified Adipose Tissue for Arthroscopic Management of Osteochondral Lesions of the Talus
07:24

Autologous Microfractured and Purified Adipose Tissue for Arthroscopic Management of Osteochondral Lesions of the Talus

Published on: January 23, 2018

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Radiology

Context:

  • Acute osteochondral lesions of the knee frequently result from patella dislocations.
  • Standard X-rays may fail to detect significant osteochondral fragments.
  • Magnetic resonance imaging (MRI) is essential for accurate diagnosis.

Purpose:

  • To outline the diagnostic and surgical management of acute osteochondral knee lesions.
  • To discuss the role of MRI, arthroscopy, and surgical refixation techniques.
  • To highlight the use of biodegradable implants and individualized rehabilitation.

Summary:

  • These knee injuries necessitate MRI for diagnosis when X-rays are inconclusive, as fragments can be missed.
  • Surgical intervention, particularly fragment refixation, is often indicated.
  • Arthroscopy visualizes the defect, and ex situ fragment inspection guides refixation strategy.
  • Refixation in the femoro-patellar joint is tailored to fragment size and defect location.
  • Biodegradable implants show promise, avoiding removal and yielding positive clinical outcomes.
  • Individualized patient rehabilitation is key for optimal recovery.

Impact:

  • Improved diagnostic accuracy for knee osteochondral lesions using MRI.
  • Enhanced surgical decision-making for fragment refixation.
  • Successful clinical outcomes with biodegradable implants in knee surgery.
  • Personalized rehabilitation protocols optimizing patient recovery from knee injuries.