A rare case of postmenopausal immature teratoma with a recurrent grave course.

Immature teratoma is quite uncommon older women, particular in postmenopausal period. Only a few cases of postmenopausal immature teratoma of the genital tract have been reported. This report describes a postmenopausal aggressive pelvic immature teratoma case with a grave course despite treatment. A 67-year-old woman being in menopause for the past 16 years was diagnosed with immature teratoma in the pelvic cavity. The mass was removed completely and hysterectomy plus bilateral salpingo-oophorectomy was done. Histopathological diagnosis was grade 2 immature teratoma. The patient had a grave course with recurrences despite therapy and died within one year after initial diagnosis. In teratomas diagnosed over 45 years of age, the possibility of malignant teratoma should also be borne in mind.