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Spontaneous feminization and menstrual function developing during puberty in Turner's syndrome
Obstetrics and Gynecology
|October 1, 1979
Summary
This study details a rare case of Turner syndrome in an 18-year-old female experiencing cyclical bleeding and secondary sexual development. Despite a 45,XO karyotype, she exhibited unique hormonal profiles and gonadal structures.
Area of Science:
- Endocrinology
- Genetics
- Reproductive Medicine
Background:
- Turner syndrome (45,XO) typically presents with gonadal dysgenesis and lack of secondary sexual characteristics.
- This case involves an 18-year-old patient with classic Turner phenotype and cyclical vaginal bleeding.
Observation:
- The patient displayed spontaneous secondary sexual development and normal estrogen levels.
- Elevated luteinizing hormone (LH) and follicle-stimulating hormone (FSH) levels were observed, typical of postmenopausal women.
- Hormonal dynamic testing showed abnormal responses to human menopausal gonadotropin (hMG), human chorionic gonadotropin (hCG), and exaggerated LH-RH stimulation.
Findings:
- Karyotyping confirmed a 45,XO karyotype in lymphocytes, skin, and gonadal tissue, ruling out mosaicism.
- Endometrial hyperplasia was diagnosed via dilatation and curettage.
- Histological examination of the gonadal structures revealed lutein cysts.
Implications:
- This case highlights the complex and variable endocrine and reproductive presentations possible in Turner syndrome.
- It underscores the importance of thorough hormonal and genetic evaluation in atypical presentations of Turner syndrome.
- The findings contribute to understanding the spectrum of gonadal function and potential pathology in 45,XO individuals.