, Volume 7, Issue 4, pp 359–360 | Cite as

Partial deletion of the long arm of chromosome 18

  • A. -V. N. Mikelsaar
  • T. A. Talvik
Short Communications


A female infant with mental retardation and multiple somatic anomalies is described. The karyological analysis disclosed the partial deletion of the long arm of chromosome 18 in cells of probands peripheral blood culture. Repeated investigations of probands mothers peripheral blood cultures disclosed the presence of various chromosomal aberrations in 25–70% of cells.


Internal Medicine Metabolic Disease Blood Culture Mental Retardation Chromosomal Aberration 
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Copyright information

© Springer-Verlag 1969

Authors and Affiliations

  • A. -V. N. Mikelsaar
    • 1
  • T. A. Talvik
    • 2
  1. 1.Karyological LaboratoryInstitute of Molecular Biology of Academy of Sciences of UdSSRMoscow
  2. 2.Republican Clinical Hospital of Tartu, Dept. of Neurology and NeurosurgeryState University of TartuEstonia, UdSSR

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