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Description of diagnosis of 45,X/46,XY ovotesticular DSD
Authors: Š. Ren; V. Harmaš; M. Stará; Laštůvkováj.; V. Čejnová
Authors‘ workplace: Oddělení lékařské genetiky, Krajská zdravotní a. s., Masarykova, Ústí nad Labem, vedoucí pracoviště MUDr. V. Harmaš
Published in: Ceska Gynekol 2020; 85(4): 259-262
Category: Case Report
Overview
Objective: Description of diagnosis of 45,X/46,XY ovotesticular DSD.
Design: Case report.
Setting: Department of Medical Genetics, KZ a.s., Masaryk Hospital, Ústí nad Labem.
Case report: 45,X/46,XY ovotesticular DSD is a diagnosis, which in this case was detected by chromosomal examination was performed, in which the child showed karyotype 45,X[2]/46,XY[8] – a pathological male karyotype correlated with the syndrome 45,X/46,XY ovotesticular DSD (disorder of sexual development). At the same time, a variant of chromosome 10 : 45,X,inv(10) (p11q21.2)/46,XY,inv(10)(p11q21.2) was detected.
Conclusion: The phenotype of patients with mosaic karyotype 45,X/46,XY ranges in a wide range from the female phenotype with classical Turner syndrome, through individuals with ambiguous genitals to normal but infertile men. Thus, both Turner‘s syndrome and virilization can be expected. Gonads are usually dysgenetic with insufficiently differentiated testicular tissue, which can occur in both gonads (mixed gonadal dysgenesis) or only in one (asymmetric gonadal dysgenesis). With this type of gonadal dysgenesis, there is a risk of gonadoblastoma or other tumors.
Keywords:
Genetics – 45,X/46,XY – ovotesticular – DSD – Turner syndrome – sex development
Sources
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Labels
Paediatric gynaecology Gynaecology and obstetrics Reproduction medicine
Article was published inCzech Gynaecology
2020 Issue 4-
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