J Gynecol Oncol.  2013 Apr;24(2):160-166. 10.3802/jgo.2013.24.2.160.

Comparison of advanced stage mucinous epithelial ovarian cancer and serous epithelial ovarian cancer with regard to chemosensitivity and survival outcome: a matched case-control study

• Karabuk E
• Kose MF
• Hizli D
• Taskin S
• Karadag B
• Turan T
• Boran N
• Ozfuttu A
• Ortac UF

• KMID: 2288548
• DOI: http://doi.org/10.3802/jgo.2013.24.2.160

Abstract

OBJECTIVE
The aim of this study was to compare clinicopathologic characteristics, surgery outcomes and survival outcomes of patients with stage III and IV mucinous epithelial ovarian cancer (mEOC) and serous epithelial ovarian carcinoma (sEOC).
METHODS
Patients who had surgery for advanced stage (III or IV) mEOC were evaluated retrospectively and defined as the study group. Women with sEOC who were matched for age and stage of disease were randomly chosen from the database and defined as the control group. The baseline disease characteristics of patients and platinum-based chemotherapy efficacy (response rate, progression-free survival and overall survival [OS]) were compared.
RESULTS
A total of 138 women were included in the study: 50 women in the mEOC group and 88 in the sEOC group. Patients in the mEOC group had significantly less grade 3 tumors and CA-125 levels and higher rate of para-aortic and pelvic lymph node metastasis. Patients in the mEOC group had significantly less platinum sensitive disease (57.9% vs. 70.8%; p=0.03) and had significantly poorer OS outcome when compared to the sEOC group (p=0.001). The risk of death for mEOC patients was significantly higher than for sEOC patients (hazard ratio, 2.14; 95% confidence interval, 1.34 to 3.42).
CONCLUSION
Advanced stage mEOC patients have more platinum resistance disease and poorer survival outcome when compared to advanced stage sEOC. Therefore, novel chemotherapy strategies are warranted to improve survival outcome in patients with mEOC.

Keyword

Chemosensitivity; Mucinous epithelial ovarian cancer; Serous epithelial ovarian cancer; Survival

MeSH Terms

Case-Control Studies
Disease-Free Survival
Female
Humans
Lymph Nodes
Mucins
Neoplasm Metastasis
Neoplasms, Glandular and Epithelial
Ovarian Neoplasms
Platinum
Retrospective Studies
Mucins
Neoplasms, Glandular and Epithelial
Ovarian Neoplasms
Platinum

Figure

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  Fig. 1 Progression-free survival (A) overall survival (B) for patients with 50 mucinous and 88 serous epithelial ovarian cancer.

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  Fig. 2 Overall survival according to surgery outcome for patients with serous (A) and mucinous (B) epithelial ovarian cancer.

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