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Annular Band Syndrome

Discussion

  • annular bands may present clinically with either complete amputation of part of thumb as well as the rest of the hand;
  • constriction bands higher up in the arm, causing severe edema in parts distal to the constriction band;
  • annular bands are often associated w/ acrosyndactyly;
  • annular band syndrome is sporadic, not inherited;
  • inherent in this anomaly are hypoplasia, brachydactyly, symphalangism, symbrachydactyly, and congenital amputations;

Treatment

  • in past, recommended treatment called for the surgeon to stage at least two Z-plasties to remove the constriction band;
  • currently many recommend removal of the entire band at one operation;
  • when bands involve the digits, extreme care must be exercised to prevent necrosis of the tips of the already shortened digits;
  • syndactyly:
    • must be released and the bones aligned to create three or four fingers