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          - J P O'Neill, P Burns, and J Kinsella.
- The Department of Otolaryngology, Head and Neck Surgery, St James Hospital, Dublin, Ireland. joneill@rcsi.ie
- Ir J Med Sci. 2012 Mar 1; 181 (1): 115-7.
 BackgroundStruma Ovarii are mature teratomas. In rare circumstances thyroid tissue is found as part of the histopathological makeup. Malignant transformation may occur in 1-2% of these rare cases.AimTo report a rare case of malignant thyroid carcinoma within a struma ovarii.ResultA 22-year-old lady presented with a right pelvic mass. A right-sided laparoscopic salpingo-oophrectomy was performed which revealed a malignant struma ovarii neoplasm. A total thyroidectomy was performed with adjuvant I(131) therapy.ConclusionThis is a rare tumour which necessitates surgical extirpation and removal of a normal thyroid gland to facilitate thyroglobulin monitoring. Notes
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