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Isomerism of the atrial appendages associated with 22q11 deletion in a fetus.
  1. R. W. Yates,
  2. F. L. Raymond,
  3. A. Cook,
  4. G. K. Sharland
  1. Department of Fetal Cardiology, Guy's Hospital, London.


    There is a strong association between prenatally diagnosed structural heart disease and fetal chromosomal abnormalities. Isomerism of the atrial appendages is an exception to this because the fetal karyotype is usually normal in this condition. A case of atrial isomerism diagnosed antenatally with a normal female karyotype but with a microdeletion of chromosome 22q11 is reported.

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