SRY -positive 45,X/46,XY karyotype in a phenotypically Turner-like Chinese adolescent female with ovarian dysgerminoma and gonadoblastoma.

This case emphasizes the probable correlation between Y chromosome microdeletions in gonadal tissue and the severity of the phenotype in patients with 45,X/46,XY mosaicism and highlights the importance of clinical genetic testing at the chromosomal and molecular level.