1. Seminoma metastatic to retroperitoneal lymph node without testicular lesion;Abbassian;Case report. Harper Hosp. Bull.,1962
2. Retro – peritoneal germinomas (seminomas) without evidence of testicular involvement;Abell;Cancer,1965
3. A case of para-aortic lymph-node iietastases of an undiscovered seminoma at the level cf the testes;Auvert;J. Urol. Med. Chir.,1960
4. Tumeur rétro-pancréanciie métastase ganglionnaire d’un séminome sans bemns apparentes des testicules;Bazy;Mem. Acad, de Chir.,1942
5. Séiirnome rétro-péritonéal;Jayet;Schweiz. Med. Wschr.,1970