VITAMIN D DEFICIENCY DOES NOT AFFECT THE LIKELIHOOD OF PRESURGICAL LOCALIZATION IN ASYMPTOMATIC PRIMARY HYPERPARATHYROIDISM
2015
ABSTRACT Objective: Vitamin D deficiency (VDD) was previously associated with larger adenoma size in primary hyperparathyroidism (PHPT), but this topic was not addressed in patients with the mild/asymptomatic form of the disease (aPHPT). Methods: We retrospectively retrieved from our series of patients affected by PHPT, 96 consecutive subjects with aPHPT in whom 25-hydroxyvitamin D (25OHD) levels had been assayed and compared those results with localizing imaging studies. Results: Twenty-five of 96 patients had VDD (25OHD <20 ng/mL), but positive ultrasound and scintigraphic studies were not different between patients with and without VDD (52.3% versus 55.7% and 42.9% versus 52.4%, respectively). Upon logistic regression analysis, after adjusting for different variables, including the presence of goiter, VDD was not an independent predictor of localization by imaging studies. Conclusion: VDD does not affect the likelihood of positive pre-operative imaging in aPHPT and the consequent surgical decisions. Ab...
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