Labels:text | screenshot | black and white | black | font | document OCR: s may One, or occasionally two, thyroid nodule les are exhibit autonomy (Fig. 17.56), Such nod frequently very rarely malignant. They occur more Thern in areas of iodine deficiency, such as sou idism from Europe. The development of hyperthyr he a hot nodule in the thyroid depends on le: the available iodine and the size of the nod be toxic. larger the nodule, the more likely is it to onset of Administration of iodine can induce the n be hyperthyroidism. The size of a nodule c l capacity assessed by ultrasound, and its function he by a radioiodine or technetium scan. Sor ary malignant tumours that pre- sent as soli rganify ed by a nodules can trap technetium but fail to iodine, so their true nature is best revea try to radioiodine scan. It is not usually necess biopsy hot nodules since they ...
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