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Usefulness of 131I-SPECT/CT and 18F-FDG PET/CT in Evaluating Successful 131I and Retinoic Acid Combined Therapy in a Patient with Metastatic Struma Ovarii

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Abstract

Metastatic struma ovarii is an extremely rare disease, and the treatment of choice has not been established. Here, we introduce the case of a 36-year-old female pregnant patient with metastatic struma ovarii. Initial treatment was an exploratory laparotomy to remove multiple peritoneal masses. After delivery, a total thyroidectomy was done for the further 131I-therapy. 131I-SPECT/CT and 18 F-FDG PET/CT showed multiple hepatic metastases and extensive peritoneal seeding nodules. Multiple 131I and retinoic acid combination therapies were performed, resulting in marked improvement. 131I-SPECT/CT and 18 F-FDG PET/CT were quite useful for evaluating the biologic characteristics of the metastases.

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Conflict of Interest

Hyo Jung Seo, Young Hoon Ryu, Inki Lee, Hye Sook Min, Keon Wook Kang, Dong Soo Lee, Dae-hee Lee and June-Key Chung declare that they have no conflict of interest.

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Correspondence to June-Key Chung.

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Seo, H.J., Ryu, Y.H., Lee, I. et al. Usefulness of 131I-SPECT/CT and 18F-FDG PET/CT in Evaluating Successful 131I and Retinoic Acid Combined Therapy in a Patient with Metastatic Struma Ovarii. Nucl Med Mol Imaging 49, 52–56 (2015). https://doi.org/10.1007/s13139-014-0295-z

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  • DOI: https://doi.org/10.1007/s13139-014-0295-z

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