hrp0089p3-p015 | Adrenals and HPA Axis P3 | ESPE2018

A Homozygous Mutation c.518T>A (p.lle173Asn) of the CYP21A2 Gene Presenting as Non-Classical Congenital Adrenal Hyperplasia (NCAH)

Karamfilova Teodora , Stoeva Iva , Mihova Kalina , Kaneva Rada , Tsochev Kaloyan , Iotova Violeta

Congenital adrenal hyperplasia due to P450c21 (21-hydroxylase) deficiency is an autosomal recessive disorder presenting as three phenotypes dependent on the residual enzyme activity: two classical ones (salt wasting and simple virilizing, SV) and the milder NCAH. All forms have increased adrenal androgens. Around 0.1% of Caucasians and up to several percent of certain ethnic groups are affected by NCAH. Most NCAH patients remain undiagnosed. Symptoms of NCAH may develop at any...