Related Experiment Videos
Speech and language in Wolf-Hirschhorn syndrome: a case-study
John Van Borsel1, Sigrid De Grande, Griet Van Buggenhout
1ENT Department, Ghent University Hospital, Ghent, Belgium. john.vanborsel@rug.ac.be
Journal of Communication Disorders
|March 12, 2004
Summary
Wolf-Hirschhorn syndrome (WHS) typically causes severe developmental delays. However, this case shows a milder WHS phenotype in a girl with a smaller deletion, highlighting improved speech and language abilities.
Area of Science:
- Genetics
- Developmental Biology
- Clinical Medicine
Background:
- Wolf-Hirschhorn syndrome (WHS) is a rare genetic disorder caused by a deletion on the short arm of chromosome 4.
- WHS is typically characterized by severe intellectual disability, developmental delays, and multiple congenital anomalies.
- Previous research suggests a correlation between deletion size and phenotypic severity in WHS.
Observation:
- This paper details a 10-year-old female with WHS and a smaller deletion on chromosome 4p.
- She exhibited a milder phenotype compared to the typical WHS presentation.
- Notably, she demonstrated significant speech and language development.
Findings:
- The study illustrates that a smaller deletion in WHS can lead to a less severe phenotype, particularly concerning communicative abilities.
- This individual achieved a considerable degree of speech and language development, contrasting with the usual absence of speech in WHS.
- Genotype-phenotype correlations in WHS are further elucidated by this case.
Implications:
- School-based speech-language pathologists may encounter WHS patients with milder phenotypes who can benefit from targeted interventions.
- Understanding the spectrum of WHS phenotypes is crucial for accurate diagnosis and individualized support.
- This case underscores the importance of considering deletion size in predicting developmental outcomes for children with WHS.