The current trend toward minimizing treatment morbidity in children with yolk sac carcinomas is laudable. As most children will present with stage I disease and be cured by radical orchiectomy alone, careful surveillance is adequate with the knowledge that effective chemotherapy is available should tumor recur. All new yolk sac carcinomas in children should be reported to the Prepubertal Testicular Tumor Registry and should ideally be treated at institutions that have experience with surveillance protocols and pediatric oncology. In this way, prospective studies on treatment options can be initiated, and management controversies may ultimately be ironed out. In particular, more information is needed on patients more than 2 years old, as the literature to date is contradictory regarding the prognosis for these patients and the need for adjuvant therapy when the older child presents with stage I disease.