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Revista Cubana de Endocrinología

versión On-line ISSN 1561-2953


GONZALEZ RIVERO, Levi; TURCIOS TRISTA, Silvia Elena  y  VELASCO MIRABAL, Milagros. Clinical applications of radioiodine 131 (I131) in the thyroid diseases. Rev Cubana Endocrinol [online]. 2012, vol.23, n.3, pp.256-263. ISSN 1561-2953.

Radioiodine 131 is a radioactive isotope that is successfully used for the diagnosis and the treatment of benign and malignant thyroid diseases. Its quality of selectively integrating to the thyroid metabolism and emitting a signal allows it to describe the gland functioning through capture studies, and to delimit the morphology and location of the tissues that capture iodine by means of gammagraphy. It is also a simple, safe and cost-effective radiotherapy used as first-line therapeutics in the control of hyperthyroidism. The dose and right time of application should be individualized according to the etiology and the clinic of each patient. Radioiodine 131 offers an efficient alternative to reduce the size of non-toxic goiter in addition to supporting the surgical treatment of the differentiated thyroid carcinoma and destroying with ablative doses the tissular remains and the metastatic lesions that can be detected during the gammagraphic follow-up. Radioiodine 131 depends on the fulfillment of safety regulations against radioactivity.

Palabras clave : thyroid disease; radioiodine 131; hyperthyroidism; goiter; thyroid cancer.

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