A case reported with 46, XX testicular disorders of sexual development and its possible association with dysembryoplastic neuroepithelial tumour
DOI:
https://doi.org/10.47391/JPMA.6451Keywords:
SRY gene, XX sex reversal, testicular disorder of sexual differentiation (DSDs), dysembryoplastic neuroepithelial tumour (DNT)Abstract
The main factor determining differentiation of bipotential gonads into testes or ovaries is the presence or absence of SRY (sex-determining region on Y chromosome) gene. De la Chapelle syndrome is a chromosomal anomaly with chromosomal makeup of a female (46, XX) and phenotypic presentation of a male. Previously known as XX sex reversal, it is now called 46, XX testicular disorders of sexual development (DSD). Although rare, it presents as a major chromosomal anomaly, with SRY gene crossover proposed as an underlying aetiology in most patients.
We report the case of a 25-year-old male who presented with infertility and was diagnosed with De 46, XX testicular DSD. He has a previous history of resected dysembryoplastic neuroepithelial tumour (DNT). The differential diagnosis of 46, XX DSD and possible association/coincidental finding of DNT have been discussed.
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