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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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[Quadriceps tendon rupture].

Wolf Petersen1, Sebastian Bierke2, Martin Häner2

  • 1Klinik für Orthopädie und Unfallchirurgie, Martin Luther Krankenhaus Berlin, Caspar-Theyß-Str. 27-31, 14193, Berlin, Deutschland. wolf.petersen@jsd.de.

Der Orthopade
|October 7, 2021
PubMed
Summary
This summary is machine-generated.

Quadriceps tendon ruptures, often without trauma, affect middle-aged men. Surgical repair is the primary treatment, followed by a 6-8 week recovery period with restricted mobility.

Keywords:
Extensor apparatusKneePatellaPhysical therapy modalitiesTendon injuries

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Musculoskeletal Imaging

Background:

  • Quadriceps tendon ruptures can occur spontaneously, particularly in individuals with prior degenerative tendon injury.
  • Ruptures are also noted as a specific complication following endoprosthetic knee replacement.
  • The condition predominantly affects males aged 50-65.

Purpose of the Study:

  • To outline the etiology, clinical presentation, diagnostic methods, and optimal treatment for quadriceps tendon ruptures.
  • To emphasize the importance of timely diagnosis and surgical intervention.

Main Methods:

  • Review of clinical signs including suprapatellar hematoma and "suprapatellar gap sign".
  • Diagnostic imaging evaluation using ultrasonography as the first-choice modality.
  • Magnetic resonance imaging (MRI) for high sensitivity and specificity.

Main Results:

  • Ultrasonography reliably visualizes ruptures and associated hematomas.
  • MRI offers high sensitivity and specificity for diagnosing quadriceps tendon ruptures.
  • Surgical transosseous refixation at the upper patellar pole is the preferred treatment.

Conclusions:

  • Prompt diagnosis and surgical intervention are crucial for managing quadriceps tendon ruptures.
  • Post-operative care involves immobilization and restricted weight-bearing for 6-8 weeks.
  • Understanding the specific etiological factors, such as degenerative injury and post-prosthetic complications, is key.