PMC7568096_01
A 74-year-old woman with primary hyperparathyroidism. Anterior static sestamibi images performed at 20 min (a) and 3 h (b) show a focal lesion over the inferior aspect of the right submandibular gland.
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F1
Tc-99m sestamibi planar imaging [Figure 1] showed a solitary focus of uptake over right submandibular gland. The location for uptake in the right submandibular gland is uncommon for a parathyroid adenoma.
A 74-year-old woman with primary hyperparathyroidism. SPECT/CT in tomographic, CT, and fused images in the axial, sagittal, and coronal plane shows a focal increased uptake over the right submandibular gland.
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F2
Single-photon emission computed tomography with CT (SPECT/CT) [Figure 2] demonstrated increased uptake over the inferior aspect of the right submandibular gland, suggestive of a parathyroid adenoma.