CYP21A2 and classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency: Two previously reported homozygous mutations in the CYP21A2 were identified in the patient: c.1069C >T, p.R357W in Exon 8 and c.1360C >T, p.P454S in Exon10 (Fig. 1a), confirming that the patient had 21OHD.