PMC5778715_01
Coronal (a) and sagittal (b) delayed images of dual-phase 99m-technetium-sestamibi parathyroid scintigraphy showing persistent focal tracer uptake at the lower pole of the left thyroid lobe (arrows). Axial computed tomography (c), single photon emission computed tomography (d) and fused single photon emission computed tomography-computed tomography (e) images showing 6 mm nodule with high radiotracer uptake inferior and posterior to the lower pole of the left thyroid lobe (arrows), consistent with parathyroid adenoma
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F1
SPECT/CT imaging confirmed the presence of a 6mm nodule that was inferior and posterior to the lower pole of the left thyroid lobe in keeping with a parathyroid adenoma [Figure 1].
Coronal fused single photon emission computed tomography-computed tomography (a) and axial computed tomography (b), single photon emission computed tomography (c) and fused single photon emission computed tomography-computed tomography (d) images showing mild tracer uptake in the upper abdomen within a rounded, smoothly marginated mass arising from the greater curve of the gastric body (arrow)
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F2
On the SPECT/CT images, the area of abnormal uptake corresponded to an incidental 5 cm smooth, exophytic mass centered on the greater curve of the body of the stomach that contained an ulcer on its mucosal side [Figure 2].
Axial (a) and coronal (b) 18F- FDG PET/CT scan showing significant 18-FDG uptake within the gastric mass
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F3
Repeated biopsies of the mass were indeterminate. 18-fluorine fluorodeoxyglucose (18F-FDG) positron emission tomography-CT scan showed a significant 18-FDG uptake within the gastric mass and no abnormal tracer uptake elsewhere [Figure 3].