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Related Experiment Videos

Ring chromosome 8 associated with microcephaly.

R Mingarelli1, G Valorani, L Zelante

  • 1Department of Public Health and Cell Biology, Tor Vergata University, Rome, Italy.

Annales De Genetique
|January 1, 1991
PubMed
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Ring chromosome 8 (r(8)) can cause significant developmental issues in children. This condition is associated with microcephaly, intellectual disability, and growth problems, as seen in a young patient.

Area of Science:

  • Genetics
  • Pediatrics
  • Clinical Dysmorphology

Background:

  • The ring chromosome 8 (r(8)) is a rare chromosomal abnormality.
  • Understanding the phenotypic spectrum associated with r(8) is crucial for genetic counseling and clinical management.

Observation:

  • A two-year-old girl with microcephaly, minor dysmorphic features, and intellectual disability presented with a 46,XX,r(8) karyotype.
  • This case adds to the limited documented instances of individuals with r(8).

Findings:

  • The patient exhibited features consistent with previously reported cases of r(8).
  • Common clinical manifestations in patients with r(8) include low birth weight, short stature, and mental retardation.

Implications:

Related Experiment Videos

  • This case highlights the importance of karyotyping in diagnosing developmental disorders.
  • Further research into the r(8) syndrome may elucidate genotype-phenotype correlations and improve diagnostic accuracy.