hrp0089p3-p323 | Sex Differentiation, Gonads and Gynaecology or Sex Endocrinology P3 | ESPE2018

Novel Mutation in Two Related 46, XY Phenotypic Females with 17β-Hydroxysteroid Dehydrogenase 3 Deficiency

German Alina , Tiosano Dov , Chertin Boris , Nadeem Sabea , Tenenbaum-Rakover Yardena

Introduction: Deficiency of 17β-hydroxysteroid dehydrogenase 3 (17β-HSD3) enzyme encoded by HSD17B3 is a rare cause of disorders of sex development (DSD). The phenotype associated with 17β-HSD3 deficiency in 46, XY individuals is variable, ranging from predominantly male external genitalia with micropenis and hypospadias to completely female external genitalia. The diagnosis and management of this enzymatic defect is very challenging.<p class="abste...