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1.
Chinese Journal of Endocrinology and Metabolism ; (12): 98-102, 2016.
Article in Chinese | WPRIM | ID: wpr-488093

ABSTRACT

Objective To analyze the clinical characteristics of two patients with 3β-hydroxysteroid dehydrogenase deficiency and to explore their molecular genetic defects.Methods The clinical features and laboratory data of two patients were collected.The exons of HSD3B2 gene were amplified by PCR and sequenced by Sanger sequencing.Results Patient 1, aged 5 yrs old, was raised as a girl with 46, XY karyotype, presented with hyperpigmentation, female infant vulva, clitoral hypertrophy, and bilateral cryptorchidism;Patient 2, aged 11 yrs old, was raised as a girl at birth but as a boy after 1 yr old for known 46, XY karyotype, presented with hyperpigmentation, micropenis and severe hypospadias.Both patients had markedly elevated adrenocorticotropin and decreased cortisol.Two homozygous missense mutations in HSD3B2 gene were identified:conversions of codon Pro155 toLeu(p.P155L)inpatient1,andcodonAla82toThr(p.A82T)inpatient2,bothofwhichwerereportedforthe first time in China.Conclusion The patients with 3β-hydroxysteroid dehydrogenase deficiency in 46,XY karyotype mainly present with male pseudohermaphroditism and adrenocortical deficiency, and the diagnosis should rely on the steroids detection and HSD3B2 gene screening.

2.
Chinese Journal of Applied Clinical Pediatrics ; (24): 570-574, 2015.
Article in Chinese | WPRIM | ID: wpr-464627

ABSTRACT

Congenital adrenal hyperplasia (CAH) is an autosomal recessive genetic disease due to glucocorticoid biosynthesis enzyme deficiency,in addition to the common types such as 21-hydroxylase,11 β-hydroxylase deficiency,also include rare types such as 3 β-hydroxysteroid dehydrogenase deficiency,17α-hydroxylase deficiency and congenital lipoid adrenal hyperplasia (CLAH).These rare types of CAH have multiple clinical manifestations,which are easily missed or misdiagnosed.This article focus on molecular genetics,pathophysiology,clinical manifestations and treatment principles of above 3 rare types of CAH.

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