[Experimental testicular torsion: its effect on the contralateral testicle].

The purpose of this project is to determine the lesion in contralateral testis after unilateral testicular torsion. For that is reproduced the lesion in an experimental model animal using 35-45 days old Wistar rats. The study of the contralateral testis is performed 30-35 days after lesion, once orchiectomy with histopathological and ultrastructural analysis, was made. We observed zonal tubular atrophy, alteration of spermatogenesis, abnormal formation of spermatozoa and death cellular by apoptosis.