On the other hand, experienced operators are recommended for the treatment of AFTN and toxic nodules, because dysphonia (although self-resolving) was observed in two cases as previously reported.

95 autonomously functioning nodules (AFTN), and 17 hyperfunctioning nodules causing thyrotoxicosis (toxic nodules) were treated by PEI from 1990 to 1996 in our center. Ultrasound (US) and color ...