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Aetiology

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Triggering results from a mismatch between the size of the flexor tendon to a digit and its tendon sheath. The discrepancy may be a result of either the tendon increasing in size or the sheath decreasing in cross-sectional area centrally with swelling, most commonly due to inflammation.

The aetiology may be subdivided into:

  • primary:
    • isolated trigger finger in adult
    • congenital trigger finger
  • secondary:
    • diabetes
    • rheumatoid arthritis
    • gout

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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