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Floating patella associated with lymphoedema.

Shen Hwa Vun1, Levent Bayam2, Efstathios Drampalos2

  • 1Trauma and Orthopaedics Department, Manchester Royal Infirmary, Manchester, UK s.vun@nhs.net.

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Summary
This summary is machine-generated.

Multiple knee extensor apparatus ruptures are rare, often linked to trauma or disease. This case reveals lymphoedema as a novel risk factor for spontaneous knee extensor disruption, emphasizing thorough assessment of all knee components.

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Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Vascular Medicine

Background:

  • Ipsilateral injuries to multiple knee extensor apparatus components are infrequent.
  • Such injuries are typically associated with prior trauma, surgery, immunosuppression, or systemic conditions.

Observation:

  • A unique case of spontaneous, bifocal disruption of the knee extensor apparatus, termed 'floating patella', is presented.
  • This event occurred in a patient with coexisting lymphoedema.

Findings:

  • The study documents the first instance of a spontaneous floating patella linked to lymphoedema.
  • This association suggests lymphoedema as a potential risk factor for knee extensor apparatus rupture.

Implications:

  • Clinicians should consider lymphoedema as an additional risk factor for knee extensor apparatus injuries.
  • Comprehensive assessment of all knee extensor mechanisms is crucial for patients with acute knee injuries.