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[A 7-year-old boy with 49,XYYYY syndrome]
B Noël1, M Bénézech, M T Bouzon
1Laboratoire de Cytogénétique, Chambéry.
Annales De Genetique
|January 1, 1988
Insights
This case report details a child with a rare 49,XYYYY karyotype, highlighting key developmental features. The study focuses on the significant growth and neurological characteristics associated with this genetic condition.
Area of Science:
- Genetics
- Developmental Biology
- Pediatrics
Background:
- The 49,XYYYY karyotype is an extremely rare chromosomal abnormality.
- Understanding the phenotypic manifestations of supernumerary Y chromosomes is crucial for genetic counseling and clinical management.
Abstract:
The growth and development of a child with a 49,XYYYY karyotype is reported. The main features are a large stature, speech delay, and sensorimotor dysfunction.