Results: Seminal analysis showed always azoospermia. Serum FSH was 2.9 mIU/mL, serum LH >1 mIU/mL and serum testosterone 7.9 ng/mL (12 months after treatment).
Wischusen et al. described a patient with partial 21-hydroxylase deficiency, azoospermia, small testes, normal to high serum testosterone levels, and suppressed serum levels
Still able to convert testosterone to DHT Testicular injury & infection (e.g., mumps, radiation, chemo) Sertoli-cell-only syndrome Azoospermia, but ___ testosterone production