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Trisomy 9 in an embryo with spina bifida
M J Seller1, A Bergbaum, M G Daker
1South Thames Regional Genetics Centre, Guy's Hospital Tower, London, UK.
Clinical Dysmorphology
|August 5, 1998
Summary
A 14-week spontaneous abortion revealed a 35-day-old embryo with lumbosacral spina bifida. This embryo also exhibited trisomy 9, a chromosomal abnormality.
Area of Science:
- Developmental biology
- Human genetics
- Reproductive medicine
Background:
- Spontaneous abortion is a common complication of pregnancy.
- Early embryonic development is crucial for successful gestation.
- Chromosomal abnormalities are a leading cause of miscarriage.
Observation:
- Examination of products from a 14-week spontaneous abortion.
- Identified an embryo at approximately 35 days of developmental age.
- The embryo presented with a cystic lumbosacral spina bifida.
Findings:
- The embryo was diagnosed with trisomy 9, a specific chromosomal aneuploidy.
- Cystic lumbosacral spina bifida, a severe neural tube defect, was observed.
- The combination of trisomy 9 and spina bifida in this early embryo.
Implications:
- This case highlights the potential link between chromosomal abnormalities and severe congenital malformations.
- Understanding such associations is vital for genetic counseling and prenatal diagnostics.
- Further research into trisomy 9's role in early embryonic development and neural tube defects is warranted.