Abstract
Optimal scan time of F-fluorocholine (FCH) PET/CT for localization of hyperfunctioning parathyroid glands is poorly documented. We report a small series of 9 histologically proven hyperfunctioning parathyroid gland with heterogeneous temporal uptake profile. Thirty-minute dynamic acquisition starting just after F-fluorocholine administration and delayed acquisition were recorded. Three different uptake patterns are seen (early washout, stable uptake, late increase) indicating the importance of an early (5-10 minutes) acquisition. A late acquisition (60 minutes) could be useful when the early acquisition is negative. No correlations were noted between uptake profile and histological or genetic results.
Published Version
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