Primary endodermal sinus tumor of the liver detected by CT.

We report a case of primary endodermal sinus tumor of the liver. Endodermal sinus tumors are rare neoplasms which usually arise in the testis or ovary. Extragonadal endodermal sinus tumors are uncommon and primary tumors of the liver are very rare. The tumor was detected using CT and the diagnosis was made by percutaneous biopsy.