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Spontaneous Closed Extensor Tendon Ruptures in the Nonrheumatoid Hand and Wrist.

Jonathan M Bekisz1, Chaitanya S Mudgal

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The Journal of the American Academy of Orthopaedic Surgeons
|February 18, 2026
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Summary
This summary is machine-generated.

Spontaneous extensor tendon ruptures can occur without warning, often linked to underlying health issues or hand/wrist problems. Understanding risk factors is key for prompt diagnosis and effective treatment of these injuries.

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Area of Science:

  • Orthopedic Surgery
  • Hand Surgery
  • Traumatology

Background:

  • Extensor tendon disruptions are common in emergency and hand surgery settings.
  • While traumatic open injuries are more familiar, spontaneous closed ruptures are a significant clinical concern.
  • These ruptures often present without warning, surprising both patients and clinicians.

Purpose of the Study:

  • To highlight the importance of spontaneous extensor tendon ruptures as a clinical entity.
  • To discuss the association of these ruptures with systemic medical conditions and hand/wrist pathology.
  • To emphasize the need for awareness of risk factors for timely diagnosis and treatment.

Main Methods:

  • Review of clinical presentations of spontaneous extensor tendon ruptures.
  • Analysis of associated systemic and local pathologies.
  • Discussion of potential rupture mechanisms linked to comorbidities.

Main Results:

  • Spontaneous extensor tendon ruptures frequently occur in patients with underlying systemic diseases or hand/wrist issues.
  • The specific mechanism of rupture is often dictated by the patient's comorbidities.
  • Risk factors are crucial for suspicion and diagnosis.

Conclusions:

  • Prompt diagnosis and appropriate treatment of spontaneous extensor tendon ruptures depend on recognizing associated risk factors.
  • Increased clinical suspicion is vital when comorbidities are present.
  • Further understanding of risk factors can improve patient outcomes.