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Kienböck's disease: two unusual cases.

W J Ribbans1

  • 1Northwick Park Hospital, Harrow.

Journal of Hand Surgery (Edinburgh, Scotland)
|November 1, 1988
PubMed
Summary
This summary is machine-generated.

Two unusual Kienböck's disease cases highlight rare presentations. One involved spontaneous flexor pollicis longus tendon rupture, a first for this condition. The other case involved late-onset Kienböck's disease in an elderly patient with connective tissue disorders.

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Area of Science:

  • Orthopedics
  • Rheumatology
  • Vascular Biology

Background:

  • Kienböck's disease is a condition affecting the lunate bone in the wrist.
  • It typically results from impaired blood supply, leading to avascular necrosis.
  • Unusual presentations and late-onset cases are rare in medical literature.

Observation:

  • A young woman presented with spontaneous rupture of the flexor pollicis longus tendon as the initial symptom of Kienböck's disease.
  • An elderly woman (71 years old) with scleroderma and Raynaud's disease developed Kienböck's disease late in life.
  • No previously reported cases involved patients older than this individual.

Findings:

  • The first case represents the initial report of flexor pollicis longus tendon rupture as the presenting feature of Kienböck's disease.

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  • The second case suggests a potential association between Kienböck's disease and the vasculitis seen in connective tissue disorders like scleroderma.
  • This is the oldest reported patient diagnosed with Kienböck's disease.

    • Implications:

    • These cases expand the understanding of Kienböck's disease presentations, particularly tendon rupture and late-onset development.
    • The findings suggest a possible link between autoimmune/connective tissue diseases and the pathogenesis of Kienböck's disease.
    • Further research may elucidate the mechanisms underlying these unusual associations and presentations.