PMC9875041_01
Emission computed tomography of the parathyroid gland. (A) No radioactive uptake in the thyroid/parathyroid gland. (B) The nodule (8 mm * 3 mm * 5 mm) in the lower pole of the left lobe of the thyroid gland did not uptake radiation.
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Further tests, including emission computed tomography of the parathyroid gland, revealed no radioactive uptake in the nodule, however ( Figure 1 ), and 24-h urinary calcium and phosphorus excretion levels were at the lower end of the normal range, as was the serum calcium level.