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Prenatal diagnosis of del(11)(p13p15)

R J Stern1, W S Hunter, T Moross

  • 1Department of Pathology, Toronto General Hospital, Canada.

Prenatal Diagnosis
|January 1, 1988
PubMed

Insights

Prenatal diagnosis of a specific chromosomal deletion, del(11)(p13p15), was confirmed in fetal cells. This deletion is linked to developmental delays, particularly affecting eye development, suggesting a developmental arrest mechanism.

Area of Science:

  • Genetics
  • Developmental Biology
  • Prenatal Diagnosis

Background:

  • The aniridia-Wilms tumour association is a complex genetic condition.
  • Accurate prenatal diagnosis is crucial for affected pregnancies.

Observation:

  • Prenatal diagnosis of del(11)(p13p15) was achieved using amniotic fluid cells and confirmed with fetal skin fibroblasts.
  • Fetal development was delayed by 2-3 weeks, notably in eye development.

Findings:

  • The aniridia observed in the aniridia-Wilms tumour association may result from a developmental arrest.
  • Confirmation of this complex genetic condition during mid-gestation is challenging without detailed pathological examination of fetal eyes.

Implications:

  • This study highlights the importance of genetic testing in prenatal diagnosis.
  • Understanding developmental arrest mechanisms is key for managing genetic disorders.
  • Further research is needed to improve mid-gestation diagnostic accuracy for complex genetic syndromes.

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