Struma ovarii. Observations on three cases

The true struma ovarii is a rare teratomatous neoplasia, composed with typical thyroid tissue. Generally it is asymptomatic or only determines a mild hypogastric weighting feeling. In a few subjects this neoplasm is secreting and rise to hyperthyroidism. The Authors describe the clinical and anatomopathological characteristics of 3 cases of true struma ovarii come to their observation. No malignant histologic features in any of them was seen. In the relatively short period of post surgical observations no women showed relapses or metastases. This confirms that true struma ovarii is usually a benign tumor.