Sullivan L G
Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston.
Arch Pathol Lab Med. 1989 Jan;113(1):82-3.
A case of nongestational, extragonadal choriocarcinoma in a middle-aged man is described. Autopsy examination confirmed that the tumor originated in the lung. The trophoblastic origin of the tumor was documented by immunoperoxidase staining for human chorionic gonadotropin.