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Oculoauriculovertebral spectrum with 5p15.33-pter deletion
1Department of Genetics and Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama, USA.
Clinical Dysmorphology
|June 9, 2006
Summary
This report details the sixth case of oculoauriculovertebral phenotype, characterized by limb anomalies and a 5p terminal deletion. This rare genetic condition highlights the complex interplay of developmental abnormalities.
Area of Science:
- Genetics
- Developmental Biology
- Clinical Medicine
Background:
- The oculoauriculovertebral (OAV) phenotype, also known as Goldenhar syndrome, is a rare congenital disorder.
- It is characterized by craniofacial abnormalities, vertebral defects, and sometimes, eye and ear anomalies.
- Limb anomalies and chromosomal aberrations, such as terminal deletions, can also be associated with OAV phenotype.
Observation:
- This report presents the sixth documented case of the oculoauriculovertebral phenotype.
- The patient exhibited characteristic OAV features along with significant limb anomalies.
- Genetic analysis revealed a terminal deletion on the short arm of chromosome 5 (5p terminal deletion).
Findings:
- The co-occurrence of OAV phenotype, limb anomalies, and 5p terminal deletion is exceptionally rare.
- This case expands the known phenotypic spectrum associated with 5p terminal deletions.
- The findings suggest a potential link or shared developmental pathway between these distinct anomalies.
Implications:
- Understanding this rare genetic combination aids in diagnosing and managing similar complex cases.
- Further research into the genetic underpinnings of 5p terminal deletions may reveal novel insights into craniofacial and limb development.
- This case underscores the importance of comprehensive genetic evaluation in patients with multiple congenital anomalies.