Year Country Study design No. of patients Success rate (%) Andjelković et al. [6] 2011 Serbia Prospective 25 92 Guglielmi  et al. [8] 2004 Italy Retrospective 95 77.9 Del Prete  et al. [29] 2001 Italy Prospective 34 88.2 Altinova et al. [30] 2003 Turkey Retrospective 26 92.3

Table 1: Studies evaluating percutaneous ethanol treatment in functional thyroid nodules.