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Outcome, Pain Perception, and Health-Related Quality of Life in Patients Submitted to Percutaneous Ethanol Injection for Simple Thyroid Cysts.

ABSTRACT: Thyroid cysts are usually benign lesions that when voluminous may induce cosmetic concerns or local discomfort. Percutaneous ethanol injection (PEI) has been demonstrated to be effective for shrinkage of such cysts. In this retrospective study, we evaluated the efficacy, pain perception, and health-related quality of life (HRQL) in patients submitted to PEI for pure cystic lesions. We reviewed the data of 101 patients who underwent ≤3 PEI. In the whole group of patients, the volume reduction was 66% after the first, 74.4% after the second, and 79.4% after the third PEI treatment. 55.4% had a cystic volume ≤ 10 ml; 85.7% of cysts ≤ 10 ml were cured by just one PEI. The number of PEI was significantly higher in the >30.0 ml group; this latter group obtained the smallest percent reduction versus baseline after the first PEI when compared with smaller cysts. The sensation of pain reported during PEI was absent in 78.3% of cases, and HRQL significantly improved from pre- to the posttreatment. PEI is a safe and effective technique for pure cystic lesions. In addition, HRQL significantly improves, providing a further support for this procedure.

SUBMITTER: Negro R

PROVIDER: S-EPMC5523544 | biostudies-other | 2017

REPOSITORIES: biostudies-other

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Project description:ObjectivesNeck recurrence of papillary thyroid cancer (PTC) is frequently detected after initial surgery. The management of these lesions may include rescue surgery (RS) or minimally invasive techniques in selected patients, but comparative studies evaluating the effectiveness and safety of these techniques are lacking. In this paper, we compared ultrasound-guided ethanol ablation (EA) in selected patients to RS in a matched cohort.MethodsWe retrospectively compared 41 patients and 41 matched PTC patients without known distant metastases, who underwent ultrasound-guided EA or RS (matched reference group), who had 63 and 75 thyroid bed and/or lymph node confirmed PTC recurrences during a median follow-up of 72.8 and 89.6 months, respectively. The primary outcome was time until structural recurrence, compared using Kaplan-Meier survival curves. The secondary outcomes included time until biochemical recurrence, plasma thyroglobulin (Tg) levels, American Thyroid Association (ATA) response-to-therapy categories by the last available observation, and treatment-derived complications in each group.ResultsNo significant differences were found between the EA and RS groups for time until structural recurrence (log-rank test, P=0.94). The time until biochemical recurrence was also similar (P=0.51); and the plasma Tg concentration reduction and proportions of patients in the ATA reclassification categories were also similar. A significantly higher proportion of patients in the RS group presented treatment-derived complications (29.27% vs. 9.75%, P<0.05).ConclusionIn this retrospective analysis, the treatment of PTC neck recurrence with EA in selected patients was comparable to RS in a matched reference group for the long-term risk of structural or biochemical relapse, but with a lower risk of treatment-derived complications. These.Resultssupport the effectiveness and safety of this minimally invasive technique in the management of selected patients with recurrent PTC.

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Outcome, Pain Perception, and Health-Related Quality of Life in Patients Submitted to Percutaneous Ethanol Injection for Simple Thyroid Cysts.

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