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The parathyroid glands, which usually are situated behind the thyroid gland, secrete parathyroid hormone, or PTH, which helps maintain calcium homeostasis. Primary hyperparathyroidism results from excess parathyroid hormone secretion. In secondary hyperparathyroidism, the normal PTH effect on bone calcium release is lost. Serum PTH rises, causing generalized hyperplasia. In tertiary hyperparathyroidism,...
Coincidence-detection 18F-FDG-PET (PET) and 67Ga whole-body and SPECT (Ga) were compared in children and young adults with newly diagnosed Hodgkin’s disease (HD). Materials and methods: Thirty patients with histologically confirmed HD underwent PET with attenuation correction 1 h after injection of 150–220 MBq 18F-FDG and whole-body and SPECT imaging 72 h after injection of 250–370 MBq 67Ga citrate...
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