Elsevier

Gynecologic Oncology

Volume 119, Issue 2, November 2010, Pages 274-277
Gynecologic Oncology

The role of restaging borderline ovarian tumors: Single institution experience and review of the literature

https://doi.org/10.1016/j.ygyno.2010.07.034Get rights and content

Abstract

Background

Borderline ovarian tumors (BOTs) are a histological category of epithelial ovarian tumors and 70% of them are early diagnosed (stage I). Since early stage is the most important prognostic factor, restaging procedure could be justified. This study aims to evaluate the role of restaging surgery in the management of patients with borderline ovarian tumors referred to our Institution after being incompletely surgically staged in other hospitals.

Materials and methods

We retrospectively reviewed the charts of patients with BOT who were referred to our centre to undergo restaging procedure. From December 1995 to May 2008, 186 patients were treated for BOT and 70 patients met the inclusion criteria. Data collected included patients' age, primary and re-staging surgery details, FIGO stage after first and second procedure, pathological findings, and follow-up data.

Results

FIGO stage after primary surgery was IA in 46 patients (68.6%), IB in 7 patients (10.4%), IC in 12 patients (17.9%, 6 due to ruptured cyst), IIA in 1 patient (1.4%), IIB in 1 patient (1.4%), III B in 2 patients (2.8%), and IIIC in 1 patient (1.4%). Among stage I patients (representing 97% of all patients), 12.3% (8 patients) were up-staged. The upstaging rate among serous tumors was 16.2%, and 4% among mucinous tumors. The mean follow-up time was 60.4 months from restaging surgery (SD 30.6 months). We observed 8 primary recurrences of the disease and 3 second recurrences.

Conclusions

There were no differences in terms of overall survival between patients who were upstaged and those who were not. Restaging procedure does not seem to have a significant impact on the management of patients diagnosed with borderline ovarian tumors, especially in mucinous subtype and apparent FIGO stage higher than I.

Introduction

Borderline ovarian tumors (BOTs) were first described by Taylor in 1929 [1] and were introduced in 1971 by FIGO [2] as a category of epithelial ovarian tumors. They account for 10–15% of all ovarian epithelial tumors, primarily diagnosed in young women [3], [4], [5]. Approximately 70% of these tumors are stage I at the time of diagnosis with a 5-year survival rate of 95–97% [6]. Malignant transformation occurs in less than 0.5%, although extra-ovarian lesions, such as invasive implants, are more frequent (up to 35% in some series [7]). Therefore, both prognosis and adjuvant treatment of these tumors depend on the presence of the implants. Since early stage is the most important prognostic factor, restaging procedure could be justified. However, according to the data from the literature the issue is still controversial [8].

The aim of this study is to evaluate the role of restaging in the management of borderline ovarian tumors by analysing data on patients referred to our center after being diagnosed in other institutions, and by reviewing the available literature.

Section snippets

Materials and methods

Further to the approval of the Institutional Review Board, we retrospectively reviewed the clinical records of patients with borderline ovarian tumors referred to our centre further to diagnostic surgery in other hospitals to be submitted to restaging. From December 1995 to May 2008, 186 patients were treated at our institution for BOT.

The data collected included patients' age, primary surgery, restaging surgery, FIGO stage at first and second procedure, pathological findings, and follow-up

Results

Among the 186 records reviewed, 70 met the inclusion criteria described above. The median age was 43 years (range 14 to 71 years). The different procedures carried out as primary surgery and restaging surgery are listed in Table 1. After primary surgery, only 5 patients (7%) had abnormal CA125 values and three (43%) of them were eventually upstaged.

The median time from the first surgery to the restaging procedure was 132 days (range 15 to 330 days). The median length of stay was 2.7 days (range 1 to

Discussion

The role of surgical restaging for borderline ovarian tumors is still controversial. Guidelines on BOTs surgical staging are the same as those of invasive ovarian tumors [11]. The role of retroperitoneal restaging remains unclear for borderline ovarian tumors and it does not seem to be as crucial as for the malignant counterparts [12], since in the latter it may have both prognostic and therapeutic implications. The results of a study conducted by Seidman and Kurman [13] suggested that

Conflict of interest statement

The authors declare that they have no conflict of interest.

Acknowledgment

We would like to thank very much Lucia Zigliani for the editing of the manuscript.

References (25)

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  • International Federation of Gynecology and Obstetrics Classification and staging of malignant tumors in the female pelvis

    Acta Obstet Gynecol Scand

    (1971)
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