Struma Ovarii: Case Report and Review
نویسندگان
چکیده
Only 150 cases of struma ovarii (i.e., goiter of the ovary) have been reported in the medical literature. The condition is characterized by the presence of thyroid tissue in an ovarian tumor, typically as a part of a teratoma. We report the first case of Hashimoto’s thyroiditis concurrent with struma ovarii, a thyroid gland with Hürthle cells, and positive antithyroid antibodies despite reference-range thyroid function test results. Case Report. A young woman presented to the office with pelvic pain. Ultrasound revealed a complex right ovarian mass. Her TSH levels was elevated. The mass was surgically removed, and biopsy revealed struma ovarii with Hashimoto’s thyroiditis. After surgery, the patient’s TSH level decreased into the reference range, 4 3 and her free T and free T levels remained within their reference ranges. However, her thyroid peroxidase and antithyroglobulin levels are elevated. She continues to remain asymptomatic with reference-range thyroid function test results. We recommend that physicians maintain a high index of suspicion of struma ovarii in young patients who present with an ovarian mass, as resolution of thyroid function abnormalities can be achieved by surgical removal of the ovarian mass.
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Struma ovarii is a rare ovarian teratoid tumor. Thyroid elements can be noted in almost 20% of the cases of dermoid cyst, however the term ‘struma’ is used when the thyorid tissue constitutes more than 50% of the tumor . The malignant struma ovarii is even more rare, and makes about 5% of all cases of struma ovarii . Majority of the references are in the form of case reports in the literature. ...
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