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Fig. 4 | EJNMMI Research

Fig. 4

From: Optimization of parathyroid 11C-choline PET protocol for localization of parathyroid adenomas in patients with primary hyperparathyroidism

Fig. 4

11C-Choline PET/CT images of a patient with a parathyroid adenoma 20-min p.i. with varying acquisition times. a Transverse PET image of 1-min acquisition, b 2.5-min acquisition, c 5-min acquisition, and d 10-min acquisition. a and b appear “noisier” than c and d. e Corresponding transverse image of low-dose CT, and f PET/CT fusion image with 5-min PET acquisition time. g Maximum Intensity Projection (MIP) PET image of 5-min acquisition at 20-min postinjection images of patient number 1 (Table 1). Note the physiological uptake in the salivary glands, and remaining activity in the vessel used for injection of the tracer. Also, slight uptake is seen in a thyroid nodule in the left thyroid lobe

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