Overall , sperm was found by FNA mapping in 52 % of nonobstructive azoospermic patients .
In a study of 87 patients , in whom a mean of 1.3 biopsies and 14 FNA sites were taken per patient , striking correlations were observed between FNA and histological results .
Sperm was found by FNA mapping in 52 % of nonobstructive azoospermic patients .
In a study of 87 patients , in whom a mean of 1.3 biopsies and 14 FNA sites were taken per patient , striking correlations were observed between FNA and histological results .