Testicular cancer affects mainly young men between 20 and 30 years of age. Due to the availability of effective chemotherapy, the majority of patients are cured. Despite an increased risk of metachronous testicular cancer, it should be carefully considered whether immediate orchiectomy is indicated. This mini review gives an account of the available literature on testis-sparing surgery in patients with unilateral or bilateral synchronous or metachronous testicular cancer.