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[Pollex flexus congenitus].

W Blauth1, S Pede

  • 1Orthopädische Universitätsklinik, Kiel.

Zeitschrift Fur Orthopadie Und Ihre Grenzgebiete
|May 1, 1992
PubMed
Summary
This summary is machine-generated.

Congenital pollex flexus, a thumb flexion deformity, is often hereditary and involves a tendon knot. Surgical outcomes for 52 thumbs are reported, with conservative treatment possible in the first year.

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Area of Science:

  • Orthopedics
  • Developmental biology
  • Genetics

Context:

  • Congenital pollex flexus presents as a permanent flexion anomaly in the interphalangeal joint of the thumb.
  • A characteristic palpable knot in the long flexor tendon is typically observed.
  • Diagnosis and treatment are often delayed, despite some cases being evident at birth.

Purpose:

  • To report on the incidence, clinical presentation, etiology, pathogenesis, and treatment of congenital pollex flexus.
  • To communicate surgical results for 52 affected thumbs.
  • To explore the hereditary and pathogenetic factors contributing to this condition.

Summary:

  • The condition is hypothesized to be hereditary, supported by twin studies, bilateral occurrences, and familial incidence.

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  • Constriction of the synovial sheath over the thumb's basal joint is a key pathogenetic factor.
  • Pathological findings include lymphocyte/monocyte infiltration and metaplasia to fiber cartilage in some cases.

    • Impact:

    • Surgical intervention results for congenital pollex flexus are presented.
    • Conservative management, including splinting after manual correction, may be attempted in the first year of life.
    • Understanding the pathogenesis aids in developing effective treatment strategies for this congenital hand anomaly.