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Supernumerary chromosomes in mosaic Turner syndrome
M K Thong1, V Manonmani, I S Norlasiah
1Department of Paediatrics, Faculty of Medicine, University of Malaya, Kuala Lumpur.
The Medical Journal of Malaysia
|December 1, 1996
Summary
Supernumerary chromosomes in mosaic Turner syndrome present genetic counseling challenges. This study investigates their incidence and significance in Malaysia.
Area of Science:
- Human Genetics
- Cytogenetics
- Reproductive Medicine
Background:
- Karyotyping is crucial for diagnosing chromosomal abnormalities.
- Supernumerary or marker chromosomes complicate genetic diagnosis and counseling.
- The prevalence and clinical impact of these aberrations remain unclear in diverse populations.
Observation:
- Two patients with mosaic Turner syndrome were identified.
- Both patients presented with a supernumerary chromosome.
- This highlights a potential association between supernumerary chromosomes and Turner syndrome.
Findings:
- The presence of supernumerary chromosomes in mosaic Turner syndrome is reported.
- This finding contributes to understanding chromosomal aberrations in this condition.
- Further research is needed to establish the true incidence in Malaysia.
Implications:
- Accurate genetic counseling requires understanding the significance of supernumerary chromosomes.
- This case series may inform diagnostic and counseling protocols.
- Investigating these rare chromosomal events is vital for reproductive health.