Metastatic ovarian cancer epidemiology

Metastatic ovarian cancer (metastatic ovarian tumors) or secondary ovarian cancer (secondary ovarian cancer) refers to the primary tumor of the tumor cells via lymphatic, vascular or body cavity invade the ovary, the formation and primary tumor similar to the tumor, and the two are no anatomical relationship.
     It is not synonymous with Krukenberg tumors.
     Different regions, countries, the incidence of metastatic ovarian cancer varies.
     1. Metastatic ovarian cancer and the proportion of primary ovarian cancer:; 2002 Shoji Kamiura reported in Japan Osaka cancer and cardiovascular disease treatment centers from 1978 to 2002, 304 cases of malignant ovarian swelling of the cases, including metastatic ovarian cancer 64 cases (21.1%). [3] In China, Jiangxi Province Maternal and Child Health Hospital Oncology Department from 1972 to 1992 treated 628 cases of ovarian cancer, metastatic ovarian cancer, 98 cases of possession (15.6%) [4], and foreign information on sex ratio, incidence rates vary slightly.
     2. Metastatic ovarian cancer in the proportion of various primary tumor: Webb reports from the gastrointestinal tract accounted for 47% of metastatic ovarian cancer, from breast accounted for 31%, derived from the reproductive tract accounted for 18%; Horie reports The primary in the gastrointestinal tract accounted for 74% of metastases, primary in the breast accounted for 13%; reproductive tract of the metastatic ovarian tumors are not included. Shoji Kamiura reported the source of the gastrointestinal tract mounted shift ovarian tumors accounted for 35%; breast origin accounted for 14%; reproductive tract sources accounted for 40%; others accounted for 11%. Maternal and Child Health Hospital of Jiangxi Province reported 98 cases of non-reproductive tract sources of metastatic ovarian tumors, gastrointestinal origin, 63 cases (64.5%), breast origin in 7 cases (7.1%), other sources, there were 28 cases ( 28.6%).