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Abstract
Objectives
The prognosis of ovarian teratoma with malignant transformation and peritoneal dissemination (PD) is poor. This condition is rare but associated with a high recurrence rate even after aggressive debulking surgery and adjuvant chemotherapy. In the present paper, we describe our experience of using cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS-HIPEC) for this condition.
Methods
The data of ten female patients having ovarian teratoma with malignant transformation and PD between June 2007 and June 2017 were collected and reviewed retrospectively. CRS-HIPEC was performed according to the standard protocol. Patient characteristics, pathological reports, tumor markers, perioperative operative parameters, postoperative events, and disease status during the follow-up period were recorded.
Results
The primary ovarian neoplasms were pure mature cystic teratoma with malignant transformation (n=6, including 5 of mucinous adenocarcinoma), mixed germ cell tumor with mature cystic teratoma and yolk sac tumor (YST) (n=1), pure immature teratoma (n=1), immature teratoma with growing teratoma syndrome (GTS) (n=1), and immature teratoma mixed YST with GTS (n=1). The mean levels of tumor markers, including carcinoembryonic antigen, cancer antigen 19-9 (CA19-9), and CA125, were markedly elevated. The recurrence rate was 10%. The median and mean disease-free survival (DFS) after CRS-HIPEC were 22.3 and 36.2 months, respectively, and the 5-year DFS rate is 88%.
Conclusion
CRS-HIPEC is a safe therapeutic option for reducing the recurrence rate in selected patients with PD originating from ovarian teratoma with malignant transformation.
Disclosure
The authors report no conflicts of interest in this work.