What is a toxic nodular goiter?

Nodular goiter there are two : One is the normal thyroid function, hyperthyroidism performance; The other is not normal thyroid function, the occurrence of hyperthyroidism. Hyperthyroidism often in nodular goiter after happen. Hyperthyroidism nodular goiter as toxic nodular goiter. This was particularly prevalent in the elderly hyperthyroidism, also mostly women. Hyperthyroidism symptoms tend to be more light, and some patients only some of the symptoms of hyperthyroidism, and the lack of other symptoms or not obvious, If only for the performance of arrhythmia or heart failure; merely limited to weight loss, body weight decreased significantly; only presented with muscle weakness, muscle weakness in limbs more obvious; only for the performance of the spirit of excitement, depression significant, and so on. Zha body can be found goiter, most of the swelling bilateral symmetry and can touch several nodules. Not quite the same size of nodules is not a general and vascular murmur tremor. Exophthalmos not normally arise. Serum T3 and T4 levels increased, a considerable portion of the patients can only increase the level of serum T3. without increased serum T4 levels. Thyroid scan can find a number of hot nodule, and some patients have both hot nodule cold nodules.