Struma Ovarii

A rare teratoid tumor of the ovary composed almost entirely of thyroid tissue, with large follicles containing abundant colloid. Occasionally there are symptoms of hyperthyroidism. 5-10% of struma ovarii become malignant, the only absolute criterion for which is the presence of metastasis. (Dorland, 27th ed; Segen, Dictionary of Modern Medicine, 1992)

Year introduced: 1967(1963)

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Tree Number(s): C04.557.465.910.850

MeSH Unique ID: D013330

All MeSH Categories
Diseases Category
Neoplasms
Neoplasms by Histologic Type
Neoplasms, Germ Cell and Embryonal
Teratoma
Struma Ovarii