Table 1

Summary of 253 clinical cases analysed by HR-CGH during the period February 1997–March 2001

Indication No of analyses No of abnormalities
(1) Dysmorphic and mentally retarded with a normal karyotype14416
(2) Physically and mentally retarded with a normal karyotype240
(3) Apparently balanced de novo translocation, prenatal60
(4) Apparently balanced de novo translocation associated with disease256
(5) Clarification of abnormal karyotype1912
(6) Confirmation of abnormal karyotype1913
(7) Others1-150 160
  • 1-150 Investigation of parental chromosomes.

  • Familial balanced translocations associated with disease.