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Revista chilena de radiología

versión On-line ISSN 0717-9308

Resumen

HORVATH, Eleonora et al. ARE THERE ANY COLLOID THYROID NODULES WHICH DO NOT REQUIRE DIAGNOSTIC PUNCTURE?. Rev. chil. radiol. [online]. 2008, vol.14, n.1, pp.5-10. ISSN 0717-9308.  http://dx.doi.org/10.4067/S0717-93082008000100003.

Depending on age, sex, and geographic area, 19 to 67% of the general population is found to have thyroid nodules when submitted to ultrasonica-lly-guided diagnostic puncture. Being benign in more than a 80%, most of them corresponds to colloid nodules. Indiscriminate fine-needle aspiration not only increases health costs but also generates anxiety in patients. The echographic-histological correlation of thyroid nodules made it possible to define five typical patterns (colloid patterns 1, 2, 3; neoplastic type, and malignant pattern). Thirty three percent of colloid nodules may appear as follicular neoplasms or malign nodules, being puncture the only means for recognizing and establishing the difference between them. Nevertheless, 67% of nodules presents a typical appearance that corresponds to colloid patterns 1, 2, and 3, which show a weak association to cancer risk(0%, 0% and 1,5%, respectively). On this basis, ultrasound follow-up is advised to recognize them in order to significantly diminish unnecessary diagnostic histological punctures

Palabras clave : Colloid nodule; Thyroid cancer; Thyroid ultrasound; US-guided fine-needle aspiration of the thyroid nodule.

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