[Morphology of the genitals in gonadal dysgenesis]

The entity includes the Turner syndrome, the pure gonadal dysgenesis (Swyer syndrome), the asymmetrical gonadal differentiation, and gonadal dysgenesis of some forms of trisomy. The necessity of prophylactic gonadectomy in all patients with Y chromosome is stressed because of a close association with the arising of tumors in the dysgenetic gonads. The requirements are described of a successful substitution with steroids.