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fetal hand anomalies

Classification

- abnormal hand position

  • clenched hand
  • camptodactyly
  • clinodactyly
  • club hand
  • phocomelia

- abnormal size

  • macrodactyly

- hand agenesis
- abnormal finger number

  • hand polydactyly
  • hand ectrodactyly
  • hand syndactyly
  • hand oligodactyly
  • split hand (ectrodactyly)

- thumb anomalies

  • thumb agenesis
  • hitch-hiker thumb (hitchhiker thumb in diastrophic dysplasia)

- digital constriction bands (amniotic band sequence)

Etiology

- isolated hand anomalies
- associated hand anomalies (syndromal hand anomalies)

  • other skeletal malformations and bone dysplasias
  • non-skeletal malformations
  • aneuploidies
  • malformative syndromes (syndromal hand anomalies)

Associations

- IUGR (intrauterine growth retardation)
- shortening of long bones
- small thorax (narrow thorax)
- craniostenosis

See also

- hand deformations
- hand malformations