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Two patients with ring chromosome 15 syndrome
M G Butler1, A B Fogo, D A Fuchs
1Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN 37232.
American Journal of Medical Genetics
|January 1, 1988
Summary
Ring 15 chromosome syndrome is characterized by growth and mental retardation, microcephaly, and speech delays. This review highlights key features and diagnostic considerations for this rare genetic disorder.
Area of Science:
- Genetics
- Clinical Genetics
- Pediatric Genetics
Background:
- Ring 15 chromosome syndrome is a rare chromosomal disorder associated with significant developmental challenges.
- Understanding the phenotypic spectrum is crucial for accurate diagnosis and management.
Observation:
- Two pediatric cases with ring 15 chromosome and speech delay were identified.
- A literature review of 25 additional cases was conducted to delineate syndrome characteristics.
Findings:
- Key features include growth retardation (100%), variable mental retardation (95%), microcephaly (88%), hypertelorism (46%), and triangular facies (42%).
- Other common findings are delayed bone age (75%), brachydactyly (44%), speech delay (39%), and cardiac abnormalities (30%).
- The average age at diagnosis was 8.1 years, with average parental ages of 28 (maternal) and 31 (paternal).
Implications:
- Early identification of ring 15 chromosome syndrome is vital for timely intervention and genetic counseling.
- This comprehensive overview aids clinicians in recognizing and managing patients with this complex syndrome.
- Further research into genotype-phenotype correlations may improve prognostic accuracy and therapeutic strategies.