Quadriceps tendon rupture

A quadriceps tendon rupture is a tear of the tendon that runs from the quadriceps muscle to the top of the knee cap.[1]

Quadriceps tendon rupture
Other namesQuadriceps tendon tear
An x-ray demonstrating quadriceps tendon rupture. Note the abnormal angle of the patella and soft-tissue swelling marked by the arrow.
SpecialtyOrthopedic

Signs and symptoms

Symptoms are pain and the inability to extend the knee against resistance. A gap can often be palpated at the tendon's normal location.

Diagnosis

The diagnosis is usually made clinically, but ultrasound or MRI can be used if there is any doubt.

  • Quadriceps tendon rupture in plain X-ray
  • Quadriceps tendon rupture in plain X-ray: Incomplete rupture with haematoma in tendon.
  • Quadriceps tendon rupture in plain X-ray
  • X-ray of a tear of the patellar tendon. On the left: The kneecap is pulled up. On the right: Significant dent in the soft tissue above the kneecap.
  • Operative image: 1. Kneecap 2. upper patella pole with drill holes 3. Stump of the quadriceps tendon

Treatment

The tendon can be surgically repaired. Afterwards a brace is given that prevents flexion of the knee. Athletes who have suffered this injury generally return to action in about 9 months to a year.


References
  1. "Quadriceps Tendon Rupture: Practice Essentials, Anatomy, Pathophysiology". 2017-07-19. Cite journal requires |journal= (help)
Classification
External resources
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