hrp0086p1-p369 | Gonads & DSD P1 | ESPE2016

Long-Term Follow-Up of Patients with 46,XY Partial Gonadal Dysgenesis Accordingly Gender Assignment

Gomes Nathalia , Costa Elaine , Zamboni Aline , Nishi Mirian , Batista Rafael , Cunha Flavia , Inacio Marlene , Domenice Sorahia , Mendonca Berenice

Background: Studies on the follow-up of 46,XY partial gonadal dysgenesis (PGD) patients till adulthood are scarce and it is important to provide information to parents on the prognosis of gonadal dysgenesis.Objective and hypotheses: To analyze the long term outcomes of 46XY PGD patients in both social sexes regarding testosterone production, social sex adaption and genotype.Method: Retrospective longitudinal study conducted at Hosp...

hrp0082p2-d2-574 | Sex Development (1) | ESPE2014

Analysis of Steroid 5-Alpha Reductase 2 (SRD5A2) Gene in Patients with 46,XY Disorder of Sex Development

de Souza Giselle Neres , Machado Aline Zamboni , Prado Arnhold Ivo Jorge , Mendonca Berenice , Palma Sircili Maria Helena , Nishi Mirian Yumie , Barbosa Silva Rosana , Frade Costa Elaine Maria , Domenice Sorahia

Background: The diagnosis of 46,XY disorder of sex development (DSD) due to 5-alpha reductase 2 (5α-RD2) deficiency has been based on testosterone:dihydrotestosterone (T:DHT) ratio, urinary steroid profiling and mutational analysis of SRD5A2 gene. The biochemical hallmarks of 5α-RD2 deficiency include increased T:DHT ratio. However, several difficulties are observed in the DHT measurement leading to misdiagnosis. The mutational analysis of the SRD5A2 has been propose...