The classification of azoospermia into obstructive or non-obstructive is largely based on
medical history, physical examination and biochemical markers in serum and semen.
However, the most accurate parameter for diagnosis is the testicular histology. The
predictive value of the percutaneous epididymal sperm aspiration (PESA), FSH, LH,
testosterone, inhibin-B and testicular volume was investigated for their accuracy to predict a
complete spermatogenesis (Johnsen score≥ 8) in order to replace the testicular histology …