AI Article Synopsis
- * The study presents three new cases of XX/XY chimeras, including a boy with an ovary in an abnormal gonad and two infertile men who appeared phenotypically normal.
- * These cases emphasize the need for various cytogenetic and molecular tests across different tissues to accurately diagnose and predict outcomes for individuals with chimerism.
Article Abstract
Tetragametic chimeras are due to the fusion of 2 different zygotes after fertilization. When occurring between embryos of different chromosomal sex, the phenotype ranges from fertile individuals to infertile patients and even to patients with variations in sex development. Here, we report 3 new cases of XX/XY chimeras, one in a young boy carrying an abnormal gonad which turned out to be an ovary and 2 in phenotypically normal infertile men, one of whom had been diagnosed previously as a XX-SRY negative male. These cases highlight the importance of combining several cytogenetic and molecular techniques on different tissues for a proper diagnosis and an appropriate prognosis.
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| http://dx.doi.org/10.1159/000510532 | DOI Listing |
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