Thus , sperm detection with FNA showed wide variation depending on testis histology .
In contrast , patients with other pure pattern histologies or mixed patterns had high rates of FNA sperm detection ( 77 - 100 % ) .
Sperm detection with FNA showed wide variation depending on testis histology .
In contrast , patients with other pure pattern histologies or mixed patterns had high rates of FNA sperm detection ( 77 - 100 % ) .