mesonephroma

Obsolete term for a relatively rare malignant neoplasm of the ovary and corpus uteri, thought to originate in mesonephric structures that become misplaced in ovarian tissue during embryonic development; characterized by a tubular pattern, with focal proliferation of epithelial cells with clear cytoplasm or of the hob-nail type; so-called glomeruloid structures are reported, i.e., small convolutions or tufts of tiny tubate formations with capillaries extending into the spaces. SYN: clear cell carcinoma, mesonephric adenocarcinoma, mesonephroid tumor, wolffian duct carcinoma. [mesonephros + -oma, tumor]

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me·so·ne·phro·ma -ni-'frō-mə n, pl -mas also -ma·ta -mət-ə a benign or malignant tumor esp. of the female genital tract held to be derived from the mesonephros

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mes·o·ne·phro·ma (mez″o-) (me″zo-nə-froґmə) clear cell adenocarcinoma.

Medical dictionary. 2011.

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