Struma Ovarii with Later Metastatic Thyroid-type Carcinoma

A Case Report and Review of the Literature

Authors

  • Assia Seddouki Department of Nuclear Medicine, Hassan II University Hospital Center, Fez, Morocco
  • Sofia Chkikar Department of Nuclear Medicine, Hassan II University Hospital Center, Fez, Morocco
  • Nadia Ismaili Alaoui Department of Nuclear Medicine, Hassan II University Hospital Center, Fez, Morocco

DOI:

https://doi.org/10.59667/sjoranm.v8i1.16

Keywords:

ovarian tumour, Struma ovarii, teratoma, iratherapy, differentiated thyroid tissue, Ovarian goitre

Abstract

Struma ovarii is a rare ovarian teratoma composed predominantly of thyroid tissue. We report a patient who underwent left adnexectomy and right ovarian cyst excision in 2014. Histology identified struma ovarii on the left and a dermoid cyst on the right, both reported as benign. Seven years later, a pulmonary biopsy showed metastatic thyroid carcinoma, and right adnexectomy revealed thyroid tissue described as suggestive of secondary thyroid carcinoma. Subsequent thyroidectomy showed no thyroid malignancy. The patient received serial radioiodine treatments, with regression of lesions reported on follow-up imaging. Imaging surveillance and biochemical monitoring continued. This case describes metastatic thyroid-type carcinoma in a patient with a previous diagnosis of struma ovarii. The initial findings do not establish bilateral struma ovarii or the precise timing of malignant transformation.

Author Biography

  • Assia Seddouki, Department of Nuclear Medicine, Hassan II University Hospital Center, Fez, Morocco

    Dr Assia Seddouki , nuclear medicine department at FES University Hospital (Morroco)

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SJORANM article cover, Vol. 8 No. 1 (2024). Holographic symbolic illustration for article 27.

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Published

2024-05-01

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Vol. 8 No. 1 (2024)

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Case reports

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Copyright (c) 2024 Assia Seddouki, Sofia Chkikar, Nadia Ismaili Alaoui

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How to Cite

Seddouki, A., Chkikar, S., & Ismaili Alaoui, N. (2024). Struma Ovarii with Later Metastatic Thyroid-type Carcinoma: A Case Report and Review of the Literature. Swiss Journal of Radiology and Nuclear Medicine, 8(1), 1–7. https://doi.org/10.59667/sjoranm.v8i1.16

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