4.7 Article

Preoperative Imaging with [18F]-Fluorocholine PET/CT in Primary Hyperparathyroidism

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JOURNAL OF CLINICAL MEDICINE
卷 11, 期 10, 页码 -

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MDPI
DOI: 10.3390/jcm11102944

关键词

fluorocholine PET; CT; parathyroid adenoma; noninvasive imaging

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This study aims to investigate the use of F-18-Fluorocholine positron emission tomography/computed tomography (F-18-FCH PET/CT) in patients with primary hyperparathyroidism (pHPT) who have negative or equivocal conventional imaging results. The results show that F-18-FCH PET/CT has a high accuracy rate for the diagnosis of hyperfunctional parathyroid tissue and is also important for surgical guidance.
Primary hyperparathyroidism (pHPT) is a common endocrine disorder due to hyperfunctioning parathyroid glands. To date, the only curing therapy is surgical removal of the dysfunctional gland, making correct detection and localization crucial in order to perform a minimally invasive parathyroidectomy. F-18-Fluorocholine positron emission tomography/computed tomography (F-18-FCH PET/CT) has shown promising results for the detection of pHPT, suggesting superiority over conventional imaging with ultrasounds or scintigraphy. A total of 33 patients with pHPT who had negative or equivocal findings in conventional imaging received F-18-FCH PET/CT preoperatively and were retrospectively included. A pathological hyperfunctional parathyroid gland was diagnosed in 24 cases (positive PET, 72.7%), 4 cases showed equivocal choline uptake (equivocal PET, 12.1%), and in 5 cases, no enhanced choline uptake was evident (negative PET, 15.2%). Twelve of the twenty-four detected adenoma patients underwent surgery, and in all cases, a pathological parathyroid adenoma was resected at the site detected by PET/CT. Two of the six patients without pathological choline uptake who received a parathyroidectomy revealed no evidence of parathyroid adenoma tissue in the histopathological evaluation. This retrospective study analyzes F-18-FCH PET/CT in a challenging patient cohort with pHPT and negative or equivocal conventional imaging results and supports the use of F-18-FCH for the diagnosis of hyperfunctional parathyroid tissue, especially in this patient setting, with a 100% true positive and true negative detection rate. Our study further demonstrates the importance of F-18-FCH PET/CT for successful surgical guidance.

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