Abstract
We report a patient with a de novo telomeric association between chromosomes 19 and Y in conjunction with mixed gonadal dysgenesis. The patient was first admitted to the clinic because of abnormal external genitalia. Laparoscopic evaluation revealed (1) a rudimentary uterus, one fallopian tube, and a small gonad resembling an ovary on the right side, and (2) an immature fallopian tube, a vas deferens, and a gonad resembling a testis on the left side. Conventional cytogenetic analysis performed on cultivated peripheral blood cells, and tissue obtained from the phallus and a gonadal structure which resembled a testis revealed two different cell lines with the 46,X,tas (Y;19)(p11.3;q13.4) and 45,X karyotype. Y chromosome microdeletion analysis showed that the patient did not have any genomic deletions in the AZFa, b, c, or SRY regions on the long arm of the Y chromosome. This is the first report of a patient with mixed gonadal dysgenesis that is accompanied by a telomeric association between chromosomes 19 and Y with 45,X mosaicism.
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Abbreviations
- SRY:
-
Sex-determining region on chromosome Y
- TAS:
-
Telomeric associations
- 17-OHP:
-
17-Hydroxy progesterone
- hCG:
-
Human chorionic gonadotropin
- ACTH:
-
Adrenocorticotropic hormone
- PHA:
-
Phytohemagglutinin
- GTG:
-
G-banding
- PCR:
-
Polymerase chain reaction
- FISH:
-
Fluorescent in situ hybridization
- AZF:
-
Azoospermia factor
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This work was supported by the Akdeniz University Scientific Projects Management Unit.
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Cetin, Z., Parlak, M., Altiok Clark, O. et al. Mixed gonadal dysgenesis in a patient with de novo tas(Y;19)(p11.3;q13.4) and 45,X mosaicism. Eur J Pediatr 172, 1215–1219 (2013). https://doi.org/10.1007/s00431-013-2028-1
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DOI: https://doi.org/10.1007/s00431-013-2028-1