title: Retroperitoneal giant tumor formed by migrating polyembryoma with numerous embryoid bodies from an ovarian mixed germ cell tumor.
abstract: We report on a very rare case of retroperitoneal tumor formed by migrating polyembryoma with numerous embryoid bodies from an ovarian mixed germ cell tumor. It was successfully removed combined with artificial replacement of the aorta following chemotherapy. We also discussed the fate of embryoid bodies following metastasis or chemotherapy.
authors.affiliation: Department of Obstetrics, Shinshu University School of Medicine, Asahi, Matsumoto, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Tsukahara
authors.forename: T
authors.initials: T
authors.lastname: Fukuta
authors.forename: T
authors.initials: T
authors.lastname: Yamada
authors.forename: I
authors.initials: I
authors.lastname: Nakai
mesh_terms: D000290:Adnexa Uteri / Q000473:pathology; D000328:Adult; D005260:Female; D006801:Humans; D009373:Neoplasms, Germ Cell and Embryonal / Q000473:pathology / Q000556:secondary*; D010051:Ovarian Neoplasms / Q000473:pathology*; D010053:Ovary / Q000473:pathology; D012186:Retroperitoneal Neoplasms / Q000473:pathology / Q000556:secondary*; D013724:Teratoma / Q000473:pathology