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[Male XX-syndrome].
Zentralblatt Fur Gynakologie
|January 1, 1982
Summary
This case study details an 11-year-old with micropenis and ambiguous genitalia, revealing a 46 XX karyotype. Despite female chromosomes, the patient presented with testicular tissue, indicating a rare disorder of sex development.
Area of Science:
- Pediatric Endocrinology
- Genetics
- Reproductive Biology
Background:
- This report focuses on a rare case of a pediatric patient presenting with atypical genital development.
- The investigation aimed to understand the hormonal and genetic factors contributing to the patient's condition.
Observation:
- The patient, aged 11 years 8 months, exhibited micropenis, dorsal prepuce, and a rugous, partially bifid scrotum.
- Hormonal analysis showed below-normal Follicle-Stimulating Hormone (FSH) and Luteinizing Hormone (LH) levels.
- Cytogenetic testing revealed a 46 XX karyotype with 25% female sex chromatin presence.
Findings:
- Despite the 46 XX karyotype, the patient possessed internal structures and gonads of testicular appearance.
- Histological examination of the testicles showed tubules with primitive germinal cells and Sertoli cells, with few Leydig cells.
- Hormonal stimulation revealed a moderate FSH response and a moderately strong LH profile post-Gonadotropin-Releasing Hormone (GnRH) stimulation.
Implications:
- This case highlights the complex interplay between genetic makeup and phenotypic presentation in disorders of sex development (DSD).
- Understanding such cases is crucial for accurate diagnosis, genetic counseling, and appropriate clinical management of DSD patients.
- Further research into the molecular mechanisms underlying 46 XX testicular DSD is warranted.