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Evaluation of percutaneous ethanol injections in benign thyroid nodules / Avaliação do tratamento com injeção percutânea com etanol em nódulos benignos de tireoide
Perez, Camila Luhm Silva; Fighera, Tayane Muniz; Miasaki, Fabiola; Mesa Junior, Cleo Otaviano; Paz Filho, Gilberto Jorge da; Graf, Hans; Carvalho, Gisah Amaral de.
  • Perez, Camila Luhm Silva; Federal University of Paraná. Hospital de Clinicas. Department of Endocrinology and Metabolism. Curitiba. BR
  • Fighera, Tayane Muniz; Federal University of Paraná. Hospital de Clinicas. Department of Endocrinology and Metabolism. Curitiba. BR
  • Miasaki, Fabiola; Federal University of Paraná. Hospital de Clinicas. Department of Endocrinology and Metabolism. Curitiba. BR
  • Mesa Junior, Cleo Otaviano; Federal University of Paraná. Hospital de Clinicas. Department of Endocrinology and Metabolism. Curitiba. BR
  • Paz Filho, Gilberto Jorge da; Federal University of Paraná. Hospital de Clinicas. Department of Endocrinology and Metabolism. Curitiba. BR
  • Graf, Hans; Federal University of Paraná. Hospital de Clinicas. Department of Endocrinology and Metabolism. Curitiba. BR
  • Carvalho, Gisah Amaral de; Federal University of Paraná. Hospital de Clinicas. Department of Endocrinology and Metabolism. Curitiba. BR
Arq. bras. endocrinol. metab ; 58(9): 912-917, 12/2014. tab, graf
Article in English | LILACS | ID: lil-732190
ABSTRACT
Objective The objective of this study was to evaluate the efficacy and safety of percutaneous ethanol injection (PEI) in the treatment of benign thyroid nodules. Subjects and methods We evaluated 120 patients with benign thyroid nodules. Patients underwent evaluation of serum TSH and free T4, cervical ultrasound, and thyroid scintigraphy (in those with suppressed TSH levels). The application of sterile ethanol 99% was guided by ultrasound, with the injected volume amounting to one-third of the nodule volume. Response was considered complete (reduction of 90%); partial (reduction between 50 and 90%); or none (reduction of < 50%). Autonomous nodules were evaluated for normalization of TSH levels. Results Among the nodules studied, 30.8% were solid, 56.7% were mixed, 12.5% were cystic, and 21.6% were hyperfunctioning. The initial volume of the treated nodules ranged from 0.9 to 74.8 mL (mean 13.1 ± 12.4 mL). We performed 1-8 sessions of PEI, applying an average of 6.2 mL of ethanol for patient. After 2 years of follow-up, 17% of patients achieved a complete response (94% reduction); 53%, a partial response (70% reduction); and 30%, no response. A reduction in the volume of autonomous nodules was noted in 70% of cases, and 54% had a normalized value of TSH. The main side effect is local pain, lasting less than 24 hours in most cases. Conclusion This study showed that PEI is a safe and effective procedure for treatment of benign, solid or mixed thyroid nodules. Most cases resulted in significant reduction in nodule volume, with normalization of thyroid function. Arq Bras Endocrinol Metab. 2014;58(9)912-7 .
RESUMO
Objetivo O objetivo deste estudo foi avaliar a eficácia e segurança da injeção percutânea de etanol (IPE) no tratamento de nódulos tireoidianos benignos. Sujeitos e métodos Foram avaliados 120 pacientes com nódulos benignos de tireoide. Todos realizaram dosagens de TSH, T4 livre, ecografia cervical (US) e cintilografia de tireoide (em pacientes com TSH suprimido). A aplicação de etanol estéril a 99% foi guiada por US e o volume de etanol injetado correspondeu a um terço do volume nodular calculado. A resposta foi considerada completa (redução de 90%); parcial (redução entre 50 e 90%) ou ausência de resposta (redução menor que 50%). Nos nódulos autônomos, foi avaliada a normalização do TSH. Resultados Entre os nódulos estudados, 30,8% eram sólidos, 56,7% eram mistos, 12,5% eram císticos e 21,6%, nódulos hiperfuncionantes. O volume inicial dos nódulos tratados variou de 0,9 a 74,8 mL (média 13,1 ± 12,4 mL). Foram realizadas de 1 a 8 sessões de IPE (média 2,8), com aplicação média de 6,2 mL de etanol por paciente. Após dois anos de seguimento, 17% dos pacientes obtiveram resposta completa (redução de 94%), 53% obtiveram resposta parcial (redução de 70%) e 30% não responderam. Houve redução de volume nos nódulos autônomos em 70% dos casos, e 54% normalizaram o valor do TSH. Os efeitos colaterais registrados foram decorrentes apenas do desconforto no local de aplicação. Conclusão Este trabalho mostrou que a IPE é um procedimento seguro e eficaz para tratamento de nódulos benignos, sólidos ou mistos de tireoide. ...
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Thyroid Nodule / Ethanol / Goiter, Nodular Type of study: Evaluation studies / Observational study / Prognostic study Limits: Female / Humans / Male Language: English Journal: Arq. bras. endocrinol. metab Journal subject: Endocrinology / Metabolism Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Paraná/BR

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Full text: Available Index: LILACS (Americas) Main subject: Thyroid Nodule / Ethanol / Goiter, Nodular Type of study: Evaluation studies / Observational study / Prognostic study Limits: Female / Humans / Male Language: English Journal: Arq. bras. endocrinol. metab Journal subject: Endocrinology / Metabolism Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Paraná/BR