Routine Appendectomy in Epithelial Ovarian Carcinoma: Is It Necessary?

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Abstract
To detect risk factors for the appendiceal metastasis and to define the role of routine appendectomy in patients with epithelial ovarian carcinoma. A total of 285 patients with epithelial ovarian carcinoma who had undergone primary cytoreductive surgery including appendectomy were retrospectively evaluated. Appendiceal involvement was divided into 2 groups: gross and microscopic. Clinicopathologic variables were evaluated for possible significance in terms of appendiceal metastasis. A second analysis was performed using the same variables to detect a possible relation with microscopic metastasis. In a subgroup analysis, we also analyzed the role of routine appendectomy in patients with clinically early stage disease. One-hundred six patients were found to have appendiceal metastasis (37%). Univariate and multivariate analysis revealed stage of disease as the unique factor determining the appendiceal metastasis (P < .001). Five patients with apparently stage I-II disease were upstaged due to isolated appendiceal metastasis (4.9%). In the second analysis excluding the patients with gross involvement, ascites was an independent predictor of microscopic involvement (P < .01). Routine appendectomy is indicated in all epithelial ovarian carcinoma patients as part of the initial surgical staging procedure because of a considerable rate of upstaging in early stage disease and optimal cytoreduction in advanced stages. II-3.

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