Abstract
Twelve patients who had previously undergone thyroid surgery received percutaneous ethanol injection (PEI) treatment because of recurrent nodular goiter (3 with a toxic [TN], 2 with a nontoxic cystic [NCN], and 7 with a nontoxic solid nodule [NSN]). Two of the 12 had recurrent nerve palsy contralateral to the nodule. Each patient received a mean total dose of 0.88 mL of ethanol per milliliter of nodular volume. Ethanol was injected in a mean of 3.5 sessions for solid and 3 sessions for NCN. In most cases, a slight to moderate burning pain was experienced during and for 12–48 hours after PEI treatment, and one patient experienced temporary hoarseness. One patient with TN and 2 patients with NSN became hypothyroid, 7 patients with nontoxic nodules remained euthyroid, 1 with TN became euthyroid, and a previously hyperthyroid patient with TN became subclinically hyperthyroid 1-year posttherapy. The nodule shrank by more than 50% of the pretreatment volume in all patients(8.6 ± 2.6 vs. 2.9 ± 1.2 mL in TN, and 12.3 ± 4.9 vs. 4.16 ± 2.54 mL in nontoxic nodules, pretreatment vs. 1 year posttreatment volume, respectively). With regard to the increased risk of reoperation, PEI treatment can be proposed for patients with recurrent nodular goiter requiring surgery.
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