Mixt Germ Cell Tumor which Main Component is Immature Teratoma Derived from Uterine Myometrium: an Unusual Case

ABS TRACT Te ra to mas of ute rus are ra re, also im ma tu re and ma lign ute ri ne te ra to mas are ex tre mely ra re. The tu mor de ve lo ped in the ute ri ne myo met ri um has ne ver be en des cri bed be fo re. We pre s ent the ca se of a 26-ye ar old wo man who se pa rity is 1 with lo wer ab do mi nal pa in and re gu lar men s tru a ti on un der went la pa ro tomy af ter a di ag no sis of pel vic so lid mass fil ling her pel vis. Af ter fro zen sec ti ons of tu mor re ve a led ma lign te ra to ma, and then a to tal hyste rec tomy, bi la te ral sal pin go-oop he rec tomy, pel vic and pa ra a or tic lympha de nec tomy we re per for med. The pat ho lo gic exa mi na ti on re ve a led an im ma tu re ute ri ne te ra to ma which ori gi na ted from the myo met ri um. With ad ju vant BEP (ble omy cin, eto po si de and cisp la tin) the rapy was applied to the pa ti ent and she was fre e from di se a se in six months fol low-up. The im ma tu re te ra to ma ari sed in myo met ri um at the le vel of ute ri ne ist hmus. Sin ce the en do met ri al ca vity was fre e from tu mor, the ori gin of the im ma tu re te ra to ma of ute rus might be con tra ver si al. Be ca u se of the li mi ted ca ses in the literature, it is dif fi cult to as ses the prog no sis of the di se a se.