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Investigations

Authoring team

Investigations in camptodactyly should include a plain X-ray of the involved digit. The lateral film gives the most valuable information. There are characteristic features:

  • wedge-shaped head of proximal phalanx
  • pronounced subcondylar recess on volar side of proximal phalanx caused by indentation from flexed middle phalanx
  • base of middle phalanx appears flat
  • loss of joint space
  • palmar subluxation of middle phalanx
  • ulnar inclination of PIPJ on antero-posterior view

There may be compensatory hyperextension changes at the metacarpophalangeal and distal interphalangeal joints.

Reference

  1. Smith, P.J.; Grobbelaar, A.O. Camptodactyly: A unifying theory and approach to surgical treatment. J. Hand Surg. Am. 1998, 23, 14–19

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