Pediatric 46-XY simple gonadal dysgenesis syndrome

46-XY simple gonadal digenesis syndrome (simple 46, XY gonadal digenesis syndrome) is Harnden-Stewart syndrome, also known as Swyer syndrome. The symptoms are characterized by the presence of a female patient with a cord-shaped gonadal, no physical abnormalities other than gonads, and a karyotype of 46-XY. Only gonad hypoplasia and no abnormal posture of Turner syndrome. In 1993, Lou Liandi and others pointed out that these cases have a common point, that is, the karyotypes are 45, X / 46XY, and their hypoplastic gonads have different types and clinical manifestations are different. "One, for international adoption.