Microsurgical Testicular Sperm Extraction: Predictive Factors and Outcomes for Men with Nonobstructive Azoospermia

Table 2

Difference of histopathological findings between the positive and negative micro-TESE group.

Histopathological findings	Positive micro-TESE N = 125	Negative micro-TESE N = 47
Parenchymal atrophy	20	18
Sertoli cell-only	14	21
Maturation arrest	24	8
Hypospermatogenesis	67	0