Journal
EUROPEAN RADIOLOGY
Volume 24, Issue 9, Pages 2052-2058Publisher
SPRINGER
DOI: 10.1007/s00330-014-3252-4
Keywords
Parathyroid adenoma; Parathyroid hormone; Primary hyperparathyroidism; Interventional ultrasonography; High-intensity focused ultrasound ablation
Funding
- Theraclion
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To investigate the long-term efficacy and safety of ultrasound (US)-guided high-intensity focused ultrasound (HIFU) treatment in patients with primary hyperparathyroidism (PHPT). In our prospective study, 13 of 72 screened patients with PHPT were eligible for HIFU treatment, which was performed in one or two sessions. Parathyroid adenoma size and function were evaluated at baseline, 1, 3, 6, 9, and 12 months after the final HIFU session. In 11 females and 2 males, mean age 55.2 +/- 12.41 years, the mean applied energy was 15.2 +/- 7.7 kJ. Parathyroid size and parathyroid hormone decreased significantly one month after HIFU therapy (p < 0.002 and p < 0.02, respectively). Calcium concentration decreased slowly to reach significant reduction nine months later (p < 0.05). Complete remission was noted in three patients (23 %) after one year, good disease control was achieved in nine (69 %), and procedure was unsuccessful in one patient (8 %). Number of sessions was significantly related to treatment success (p < 0.05). Transitory side effects were impaired vocal cord mobility in three patients (23.1 %), subcutaneous oedema in three patients (23.1 %), and a combination of both in two patients (15.4 %). HIFU is a promising non-invasive technique for PHPT treatment, which could serve as therapeutic alternative for selected patients. aEuro cent US-guided HIFU is a new non-invasive ablative technique for parathyroid adenomas. aEuro cent The method is efficient and ensures good disease control in most patients. aEuro cent HIFU is a good alternative for patients not meeting surgery criteria. aEuro cent Treatment is well-tolerated with only transient side effects.
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