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A 51-year-old man with a palpable neck mass and elevated parathyroid hormone was referred to our department for parathyroid scintigraphy. After injection of 740 MBq Tc-MIBI, a dual-phase scan was… Click to show full abstract
A 51-year-old man with a palpable neck mass and elevated parathyroid hormone was referred to our department for parathyroid scintigraphy. After injection of 740 MBq Tc-MIBI, a dual-phase scan was obtained, which revealed a persistent and intense focal hyperactivity in the left side of the neck (compatible with the neck mass). Thyroid scan with TcO4 also showed increased uptake of the mass, similar to a hot thyroid nodule. After surgery, parathyroid carcinoma was confirmed pathologically. This case demonstrates a rare presentation of parathyroid carcinoma as a hot nodule in thyroid scan, which has been attributed to hypervascularity of the lesion.
Journal Title: Clinical Nuclear Medicine
Year Published: 2020
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