Quadriceps tendon rupture

Last revised by Dr Bahman Rasuli on 27 Mar 2021

Quadriceps tendon rupture is usually associated with forced flexion of the knee or a direct blow, although spontaneous ruptures are reported.

Pathology

Predisposing illnesses include: 

Quadriceps tendon rupture is one of the extensor mechanism of knee injuries, more common than patellar tendon rupture but less common than patellar fractures.

Location

Most ruptures are thought to occur at or around the osseotendinous junction at the superior pole of the patella 4.

See also

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Cases and figures

  • Case 1: T2 sagittal
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  • Case 2: T2
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  • Case 3: on ultrasound
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  • Case 4
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  • Case 8: X ray
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  • Case 8: US
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  • Case 8: CT
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  • Case 9
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  • Case 10
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