[Clinical diagnosis and treatment of extragonadal germ cell tumors].

Extragonadal germ cell tumors (EGGCT) are very rare and account for only 2% to 5% of all malignant germ cell neoplasms. Although multimodality treatment, including cisplatin-based chemotherapy and postchemotherapy surgery, has improved the prognosis of patients with EGGCT, few findings are available for these tumors. This article presents the clinical outcome and management of EGGCT patients.