Ortho

Polydactyly

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Polydactyly

  • Definition
  1. Congenital extra-digit
  • Signs
  1. Extra-digit located more often on feet
  2. Bone palpable within extra-digit
  3. Digit may have voluntary movement
  • Differential Diagnosis
  1. Supernumerary Digit (no bony attachment)
  • Associated Conditions
  1. Carpenter's Syndrome
  2. Ellis-Van Creveld Syndrome
  3. Meckel-Gruber Syndrome
  4. Trisomy 13
  5. Orofaciodigital Syndrome
  6. Rubinstein-Taybi Syndrome
  • Management
  1. Amputation of digit at age > 1 year
  • References
  1. Behrman (2000) Nelson Pediatrics, Saunders, p. 2093
  2. Fuloria (2002) Am Fam Physician 65(2):265-70 [PubMed]