4 Nordenström Nordenström A A Forest Forest MG MG Wedell Wedell A A A Case of 3ß -Hydroxysteroid Dehydrogenase Type II (HSD3B2) deficiency picked up by neonatal screening for 21-Hydroxylase deficiency: Difficulties and Delay in Etiologic Diagnosis A Case of 3ß -Hydroxysteroid Dehydrogenase Type II (HSD3B2) deficiency picked up by neonatal screening for 21-Hydroxylase deficiency: Difficulties and Delay in Etiologic Diagnosis Horm Res. This evidence concerns the gene HSD3B2 and hyperinsulinemic hypoglycemia, familial, 4.