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Ovarian dysgenesis with balanced autosomal translocation
M S Tullu1, P Arora, R C Parmar
1Genetics Division, Department of Paediatrics, Seth G.S. Medical College and KEM Hospital, Parel, Mumbai - 400 012, India. milindtullu@vsnl.net
Journal of Postgraduate Medicine
|February 8, 2002
Summary
Autosomal translocations are rare causes of ovarian dysgenesis. This study details an 18-year-old female with primary amenorrhea, hypergonadotropic hypogonadism, and streak ovaries due to a balanced translocation between chromosomes 1 and 11.
Area of Science:
- Genetics
- Reproductive Endocrinology
- Human Biology
Background:
- Ovarian dysgenesis is a condition characterized by underdeveloped ovaries.
- Primary amenorrhea, the absence of menstruation, can be a symptom of ovarian dysgenesis.
- Autosomal translocations, rearrangements of chromosome segments, are infrequently associated with ovarian dysgenesis.
Observation:
- An 18-year-old female presented with primary amenorrhea.
- Clinical examination revealed hypergonadotropic hypogonadism and a hypoplastic uterus.
- Ovarian assessment showed streak ovaries.
Findings:
- Karyotype analysis identified a balanced autosomal translocation involving chromosomes 1 and 11.
- This genetic abnormality was observed in a patient with classic signs of ovarian dysgenesis.
Implications:
- The findings suggest a potential role for autosomal translocations in the etiology of ovarian dysgenesis.
- Further research is warranted to elucidate the mechanisms by which chromosomal translocations impact ovarian development.
- This case highlights the importance of genetic evaluation in patients with unexplained primary amenorrhea and ovarian insufficiency.