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Published on: March 14, 2017
Radiofrequency ablation of parathyroid adenomas causing primary hyperparathyroidism: A report of 27 patients
Hojat Ebrahiminik1, Hossein Chegeni2, Ali Mosadegh Khah3
1Department of Interventional Radiology and Radiation Sciences Research Center, Aja University of Medical Sciences, Tehran, Iran.
Purpose:
To study treatment outcome of parathyroid adenomas using ultrasound-guided radiofrequency ablation.
Methods:
Twenty-seven patients with a single adenoma of the parathyroid gland were included in the study. Using color Doppler ultrasonography, the lesion and its characteristics were determined, and dextrose was injected to dissect the gland from the surrounding structures. The ablation process was done with 6-12 watts of power.
Results:
No complications were seen in any of the subjects. A significant reduction was seen in serum parathyroid hormone (PTH) and calcium levels after treatment. PTH levels showed a median decrease of 13.8%, and a median decrease of 8.2% was seen in serum calcium levels (p < 0.001). Phosphorus levels did not change significantly after treatment. In 1-month follow-up of patients, the lesion size had decreased considerably. In long-term follow-up, 11 of 20 patients having subsequent imaging had indistinguishable lesions.
Conclusion:
Our results showed that RFA of parathyroid adenomas caused a significant reduction in biomedical indicators of disease and resulted in a significant reduction or disappearance of the lesion in the majority of the patients while having no considerable complications.
