title: Extragonadal germ-cell tumours.
abstract: The case histories of two patients with an extragonadal germ-cell tumour are discussed. One had a retroperitoneal embryonal carcinoma, and the other had a mediastinal choriocarcinoma-seminoma. The pathogenesis, symptomatology, diagnosis and treatment of these rare tumours are discussed in some detail.?
mesh_terms: D000328:Adult; D002822:Choriocarcinoma / Q000175:diagnosis* / Q000628:therapy; D004407:Dysgerminoma / Q000175:diagnosis* / Q000628:therapy; D006801:Humans; D008113:Liver Neoplasms / Q000175:diagnosis; D008297:Male; D008479:Mediastinal Neoplasms / Q000175:diagnosis* / Q000628:therapy; D009362:Neoplasm Metastasis; D009373:Neoplasms, Germ Cell and Embryonal / Q000175:diagnosis* / Q000628:therapy; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000628:therapy