Performing pulsed Doppler ultrasound on a single thyroid artery (upper or lower; right or left) is it sufficient for the study of the mean sytolic peak in order to differentiate Graves' disease and Hashimoto's thyroiditis thyrotoxicosis.
Dear Sir
Certainly no, because the two diseases are at the distal sides of the spectrum of thyroid autoimmune disorders. Thus, it is very difficult to differentiate on the base of the doppler. Sometimes you can find features of both diseases in the same patient like exophthalmos and normal or hypothyroidism.
Thank you dear Hyder Mirghani
But if we try to make this difference, is there a need to do the doppler on all the thyroid arteries or on only one (and in this case, on which)
NO!!!! Systolic pulse can be altered in many situation, not only in hyperthyroidism. Hashimoto's thyroiditis is most frequently associated with hypothyroidism, but we must not forget that "hashitoxicosis" does occur too.
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