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hot nodule |
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hot nodule Nuclear medicine A focal ↑ in radioisotope uptake on a 123I scintillation scan in a solid organ–eg, liver or thyroid, seen by immunoscintigraphy; thyroid HNs often correspond to toxic nodular or multinodular goiter, as
functional thyroid lesions suppress TSH synthesis; HNs are rarely malignant. See Scintigraphy. Cf Cold nodule, Warm nodule. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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A hot nodule can be diagnosed using a radioactive iodine scanner test. Its role in identifying hot nodules and areas of autonomous thyroid function is well established. Overall, a cold nodule was associated with a significantly higher incidence of malignancy than was a hot nodule (sensitivity = 91%; specificity = 19%; accuracy = 38%; [chi square] = 7. |
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