Struma Ovarii


D efinition A teratoma composed principally of thyroid tissue.

Clinical Features

Epidemiology

  • Struma ovarii is a monodermal ovarian teratoma predominantly composed of thyroid tissue.

  • Seen most commonly in the fifth decade of life.

  • Virtually always unilateral.

  • Contralateral cystic teratoma in 10% to 15% of cases (we have seen one case of struma with contralateral carcinoid).

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