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[Molecular and cytogenetic study on 5 cases with gonadal dysgenesis: clinical applications of fluorescence in situ hybridization(FISH) and BAC-FISH].

[Article in Chinese]

Author information

  • 1Central Laboratory of Prenatal Diagnosis, Xiamen Maternal & Children's Hospital, Xiamen, Fujian 361003, P.R. China.

Abstract

OBJECTIVE:

To explore the applications of fluorescence in situ hybridization (FISH) in the diagnosis for the patients with gonadal dysgenesis.

METHODS:

After routine gynecologic examination, ultrasonography and endocrine examination, 5 cases of gonadal dysgenesis and hypogonadism were analyzed by using chromosomal diagnoses including G-banding, Q-banding, multiplex FISH and BAC-FISH analyses.

RESULTS:

Among the 5 cases of gonad agenesis patients, 2 were pure gonadal dysgenesis with 46, XY karyotype, 3 were mixed gonadal dysgenesis with mos 45, X/47, XXX; 45, X/46, XY or 46, X, der(Y) karyotype.

CONCLUSION:

Sex chromosomal abnormalities resulted in gonadal dysgenesis symptoms. Applications of FISH and BAC-FISH analyses can correctly diagnose the sex chromosomal abnormalities for patients with gonad agenesis and provide accurate medical genetic data for clinical diagnosis and therapy.

PMID:
18841574
[PubMed - indexed for MEDLINE]
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