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Bocio nodular tóxico - Overview

Nombres alternativos

Bocio multinodular tóxico; Enfermedad de Plummer

Definición:

Es un agrandamiento de la glándula tiroides que contiene un tumor o tumores redondos y pequeños denominadas nódulos, los cuales producen demasiada hormona tiroidea.

Causas, incidencia y factores de riesgo:

El bocio nodular tóxico se origina a partir de un bocio simple existente y se presenta con mayor frecuencia en personas de edad avanzada. Los factores de riesgo son ser mujer y tener más de 60 años de edad. Este trastorno nunca se observa en niños.

Algunas veces, los pacientes con bocio multinodular tóxico desarrollarán niveles tiroideos altos la primera vez después de que reciben una gran cantidad de yodo a través de una vena (por vía intravenosa). El yodo puede ser material de contraste para una tomografía computarizada o un cateterismo cardíaco.

Gammagrafía del agrandamiento de la tiroides

Glándula tiroides

Reviewed last on: 5/10/2010
Ari S. Eckman, MD, Division of Endocrinology and Metabolism, Johns Hopkins School of Medicine, Baltimore, MD. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Ladenson P, Kim M. Thyroid. In: Goldman L and Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders; 2007:chap 244.

Davies TF, Larsen PR. Thyrotoxicosis. In: Kronenberg HM, Melmed S, Polonsky KS, Larsen PR, eds. Williams Textbook of Endocrinology. 11th ed. Philadelphia, Pa: Saunders Elsevier;2008:chap 11.

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