Trisomy 4p: five new observations and overview.

  title={Trisomy 4p: five new observations and overview.},
  author={Bruno Dallapiccola and Pieraaolo Mastroiacovo and Enrico Montali and Annmarie Sommer},
  journal={Clinical genetics},
  volume={12 6},
Five new cases of trisomy of the short arm of chromosome No. 4 are presented. In two brothers the abnormality arose from segregation of the 4p chromosome present in the mother who is a carrier of a centric fission of one No. 4 chromosome. In the other three patients, the chromosome imbalance originated from segregation of a balanced maternal 3p/4q or 4/22 translocation. The available data, derived from the 4p trisomics reported so far, are adequate to establish trisomy of the short arm of… CONTINUE READING

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