过去认为卵巢未成熟畸胎瘤极易转移和复发,预后很差。但近几年来对这一问题的看法有了新的进展。北京首都医院连利娟等提出了卵巢未成熟畸眙瘤复发及恶性程度的逆转可能是未成熟畸胎瘤的规律性表现,他们作了较系统的观察与研究,提出未成熟畸胎瘤复发灶的病理分级随着第一次手术后的时间推移而恶性度减低;半年内复发者分级 In the past that immature ovarian teratoma is extremely easy to transfer and recurrence, the prognosis is poor. But there has been new progress in the perception of this issue in recent years. Beijing Capital Hospital, Lian-Juan and other proposed ovarian immature tumor recurrence and malignant degree of malignancy may be the regularity of immature teratoma, they made a more systematic observation and research, the proposed teratoma recurrence of immature Focal pathological grade with the passage of time after the first surgery and reduce the degree of malignancy; recurrence within six months classification