Presence of a sarcomatous component outside the ovary is an adverse prognostic factor for primary ovarian malignant mixed mesodermal/mullerian tumors: a clinicopathologic study of 47 cases

The American Journal of Surgical Pathology
Julie KunkelDengfeng Cao

Abstract

Primary ovarian malignant mixed mesodermal tumors are uncommon. There exist few data in the literature on the significance of the sarcomatous component (SC) in these tumors. Here we investigated this aspect in 47 such tumors, with particular interest in whether the presence of SC outside the ovary confers a worse prognosis. We correlated various features of the SC (homologous vs. heterologous, type of heterologous SC, extent/percentage, mitotic count, necrosis, whether or not SC is present outside the ovary) with disease-specific survival (DSS) using the Kaplan-Meier method and log-rank test. We also correlated other clinicopathologic parameters with DSS: age, stage, tumor size, tumor laterality, type of the carcinomatous component (CC), lymph node status, vascular invasion, and degree of surgical debulking. The mean age was 69.0 years (range, 43 to 89 y). The tumor was located in the left and right ovary in 18 and 24 patients, respectively (laterality could not be determined in 5 cases). The mean tumor size was 13.6 cm. Surgical debulking was optimal in 28, suboptimal in 6, and unclear in 13 patients. FIGO stage was I in 1 patient, II in 5 patients, III in 40 (IIIA in 1, IIIB in 11, IIIC in 28), and IV in 1 patient. Node metas...Continue Reading

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Nov 7, 2019·International Journal of Gynecological Pathology : Official Journal of the International Society of Gynecological Pathologists·Mariangela TrentoMatteo Fassan
Nov 21, 2020·Japanese Journal of Radiology·Tsukasa SaidaManabu Minami

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