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Related Experiment Videos

Mosaicism for ring 19: a case report.

V P Sybert1, C M Bradley, D Salk

  • 1Department of Pediatrics, Children's Hospital, University of Washington, Seattle.

Clinical Genetics
|December 1, 1988
PubMed
Summary
This summary is machine-generated.

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Mosaicism for ring 19 chromosome aberration in a male patient presented with cardiac defects and microcephaly, but normal intellectual development. This rare condition has limited understanding of phenotype-karyotype correlations.

Area of Science:

  • Genetics
  • Developmental Biology
  • Clinical Medicine

Background:

  • Ring chromosome 19 (R19) mosaicism is a rare chromosomal abnormality.
  • Previous reports of R19 mosaicism are limited, with few established phenotype-karyotype correlations.

Observation:

  • A male patient presented with mosaicism for ring 19.
  • Clinical features included complex cardiac malformation, microcephaly, and minor dysmorphic features.
  • Intellectual development was within the normal range.

Findings:

  • The patient's phenotype includes congenital heart defects and microcephaly.
  • Despite the chromosomal aberration, intellectual development remained normal.
  • This case adds to the limited data on ring 19 mosaicism.

Related Experiment Videos

Implications:

  • Further research is needed to elucidate the genotype-phenotype relationship in R19 mosaicism.
  • Understanding this rare condition can aid in genetic counseling and clinical management.
  • This case highlights the variability in developmental outcomes associated with chromosomal abnormalities.