Abstract: The clinical data of a case with extragonadal nonseminomatous germ cell tumor with pericardial tamponade as initial presentation was reported. Chest pain, hemoptysis and syncope were the main clinical feature of the patient. Imaging revealed a large pericardial effusion with underlying mass invading the pericardium. Pathology after surgery indicated nonseminomatous germ cell tumor.

Key words: Germ cell tumor, Mediastinum, Pericardial effusion