The authors have experienced a case of mixed gonadal dysgenesis who had a testis on the left side and a streak gonad on the right side with a karyotype of 45,XO/46,XY mosaicism. Bilateral gonadectomy and feminizing genitoplasty were performed for this neonate.
Gonadal Dysgenesis, Mixed* ; Gonads ; Humans ; Infant, Newborn* ; Karyotype ; Mosaicism ; Testis