thyroid scintigraphy

Question Number 1597

in thyroid scintigraphy

a) suppression of a hot nodule indicates nodule autonomy
b) stimulation is performed to demonstrate the degree of increased uptake of a hot nodule
c) the perchlorate washout test is useful to demonstrate an organification defect
d) Tc-99m pertechnetate may be used to assess the trapping function of the thyroid
e) Iodine-123 has a higher total body dose than Tc-99m pertechnetate

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