Resumen

BRUNO, Oscar D.; ASE, Eugenia; GARCIA DEL RIO, Hernán  y  MEZZADRI, Norberto A.. Long-term survival after small doses of radioiodine therapy for brain metastases of thyroid cancer. Medicina (B. Aires) [online]. 2020, vol.80, n.5, pp.560-562. ISSN 0025-7680.

Differentiated thyroid cancer is generally accompanied by a long term survival. However,in some cases distant metastases can develop and among them, brain localizations are of poor prognosis. The aim of this presentation is to communicate the clinical case of a 65 year-old woman who consulted for diplopia in vertical gaze which had appeared one month earlier. MRI showed a big mass at the level of the occipital condyle. Diagnosis of primary brain tumor was made so she was operated twice with incomplete tumor resection. The pathological study was confirmatory of a metastatic lesion of thyroid carcinoma. A total thyroidectomy with resection of a papillary cancer of the follicular variant was performed. Then, she was successfully treated with small repetitive radioiodine amounts for a total accumulated dose of 325 mCi 131I, with a long-term survival.

Palabras clave : Brain metastases; Papillary thyroid cancer; Radioiodine therapy.

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