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Case Reports
. 2017 Mar-Apr;36(2):113-115.
doi: 10.1016/j.remn.2016.09.002. Epub 2016 Oct 21.

Uterine leiomyosarcoma metastatic to thyroid shown by 18F-FDG PET/CT imaging

[Article in English, Spanish]
M Gauthé  1 , N Testart Dardel  2 , C Nascimento  3 , M Trassard  4 , A Banal  5 , J-L Alberini  6
Affiliations
Case Reports

Uterine leiomyosarcoma metastatic to thyroid shown by 18F-FDG PET/CT imaging

[Article in English, Spanish]
M Gauthé et al. Rev Esp Med Nucl Imagen Mol. 2017 Mar-Apr.

Abstract

About one third of focal thyroid uptakes in a fluorodeoxyglucose (FDG) positron emission tomography/computerized tomography (PET/CT) study are malignant, the most frequent histological type being papillary carcinoma. Metastases to the thyroid account for approximately 7.5% of thyroid malignancies and come mainly from kidney, lung, head and neck, and breast cancers. We report the case of a 64-year-old woman presenting a fast growing thyroid nodule whose primitive or metastatic origin was not obvious, for which 18F-FDG PET/CT helped in the diagnostic process and in the later management of the patient. Histopathologic findings finally revealed a metastasis of uterine leiomyosarcoma.

Keywords: Leiomiosarcoma; Leiomyosarcoma; PET/CT; PET/TC; Sarcoma; Thyroid; Tiroides; Uterus; Útero.

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