Abstract
Purpose
To investigate the relationship between cell content and histopathological features of parathyroid lesions and 18F-FCH uptake intensity on PET/CT images.
Methods
Patients with primary hyperparathyroidism (age > 18) who were referred to 18F-FCH PET/CT were involved. All patients underwent parathyroidectomy. Correlation of SUVmax with following factors were statistically analysed: serum PTH, Ca, P levels and histopathological parameters, total absolute amounts of chief cell, oxyphyllic cell and clear cell components calculated by the multiplication of the volume of the parathyroid lesion and the percentage of each type of cell content (called as Absolutechief, Absoluteoxyphyllic and Absoluteclear reflecting the total amount of each cell group).
Results
A total of 34 samples from 34 patients (6M, 28F, mean age: 53.32 ± 15.15, min: 14, max: 84) who had a positive 18F-FCH PET/CT localizing at least one parathyroid lesion were involved. In the whole study group, SUVmax was found to be correlated with the greatest diameter and volume of the lesion and Absolutechief (p = 0.004, p = 0.002 and p = 0.035, respectively). In the subgroup analysis of 28 samples with longest diameter > 1 cm, the correlation between SUVmax and Absolutechief remained significant (p = 0.036) and correlation between SUVmax and volume and longest diameter became stronger (p = 0.011 and p > 0.001, respectively). No correlation was found between SUVmax and Absoluteoxyphyllic or Absoluteclear.
Conclusions
There might be a relationship between 18F-FCH uptake intensity and chief cell content in patients with parathyroid adenoma. Further studies with larger patient groups would be beneficial to support the data.
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Data availability
The datasets generated during and/or analysed during the current study are available from the corresponding author on a reasonable request.
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Araz, M., Soydal, Ç., Sütçü, G. et al. The relationship between 18F-FCH uptake intensity and cell content in parathyroid lesions. Eur Arch Otorhinolaryngol 280, 2905–2910 (2023). https://doi.org/10.1007/s00405-023-07870-9
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DOI: https://doi.org/10.1007/s00405-023-07870-9