Neoplastic pathology affecting the male gonad differentiable in multiple varieties under a histological profile, mainly represented by germ cell tumors (about 95% of the total), originating from the germinative epithelium (primordial germ cells) of the seminiferous tubules and stroma tumors and of the sexual cords (about 4% of the total). The occurrence of extranodal lymphomas with testicular localization is less frequent.