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Clinodactyly

 

synonyms:

Clinodactyly ICD-9

Clinodactyly Etiology / Epidemiology / Natural History

  • Angular deformity of a digit in the radioulnar plane.
  • Generally bilateral
  • Most commonly affects the small finger
  • Autosomal dominant inheritance

Clinodactyly Anatomy

  • Delta Phalanx = longitudinal epiphyseal bracket = when proximal phsis of a phalanx is not perpendicular to the long axis of the phalanx.

Clinodactyly Clinical Evaluation

Clinodactyly Xray / Diagnositc Tests

Clinodactyly Classification / Treatment

  • Simple (isolated bony deformity)
  • Complex (with soft-tissue involvement)
  • Uncomplicated (<45°)
  • Complicated (45°)
  • Treatment: consider splinting / stretching. Rarely related to any funcitonal limitation. Consider corrective osteotomy or physiolysis for severe deformities with funtional limitation.

Clinodactyly Associated Injuries / Differential Diagnosis

  • Trisomy 21
  • Rubenstain-Taybi syndrome
  • Cornelia de Langle's syndrome

Clinodactyly Complications

Clinodactyly Follow-up Care

Clinodactyly Review References

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