Objective: We objectively evaluated the testicular sperm cell morpholo
gy. Methods: The spermatozoa head morphology was evaluated by image an
alysis as presented on testicular fine-needle aspiration cytology smea
rs. Results: 2,356 spermatozoa heads were classified into six groups,
according to different morphology parameters. Conclusions: This object
ive method of morphologic assessment of testicular spermatozoa provide
s an important tool for the evaluation of testicular spermatozoa and c
an serve as a guide for therapy in male infertility.