“…Several case reports and case series have been published. Percutaneous injection of ethanol [21,22], acetic acid [23] and calcitriol [24] and thermal ablation, including radiofrequency (RF) [25,26], laser [27] and high-intensity focussed ultrasound (HIFU) [28,29], have been assessed in patients with hyperparathyroidism. A preliminary study by our group also confirmed that ultrasound-guided MWA was safe and effective in destroying parathyroid gland tissue in patients with SHPT [15,16].…”