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Does completion thyroidectomy improve the outcome of patients with minimally invasive follicular carcinoma of the thyroid?
Ann Surg Oncol ; 21(9): 2981-6, 2014 Sep.
Article em En | MEDLINE | ID: mdl-24770681
BACKGROUND: The diagnosis of minimally invasive follicular thyroid carcinoma (MIFTC) is often made histologically after thyroid lobectomy. We attempted to determine whether completion thyroidectomy should be considered necessary for all patients diagnosed with MIFTC after thyroid lobectomy. METHODS: The subjects of this study were a total of 324 patients who underwent thyroid lobectomy as initial surgery at our institution between 1989 and 2010 and diagnosed histologically as MIFTC. Completion thyroidectomy was performed on 101 patients, and the other 223 patients were followed up without further treatments. Cumulative cause-specific survival (CSS) rates and distant-metastasis-free survival (DMFS) rates were calculated by the Kaplan-Meier method. Differences between groups were analyzed for statistical significance by the log-rank test. Multivariate analysis was performed by using the Cox proportional hazards model. RESULTS: During the follow-up period, 39 patients were diagnosed with distant metastasis, and 7 patients died of their disease. Age at the initial surgery was found to be a significant factor related to DMFS in both the univariate and multivariate analysis and to also be related to CSS in the univariate analysis. Completion thyroidectomy did not have a significant effect on DMFS or CSS according to the results of the univariate analysis, but it had significant effect on DMFS according to the results of the multivariate analysis. CONCLUSIONS: Although we were unable to demonstrate sufficient statistical evidence that completion thyroidectomy improved the outcome of MIFTC patients, it is noteworthy none of the patient who underwent completion thyroidectomy died of the disease.
Assuntos

Texto completo: 1 Bases de dados: MEDLINE Assunto principal: Tireoidectomia / Neoplasias da Glândula Tireoide / Adenocarcinoma Folicular / Procedimentos Cirúrgicos Minimamente Invasivos Tipo de estudo: Observational_studies / Prognostic_studies Limite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Ann Surg Oncol Assunto da revista: NEOPLASIAS Ano de publicação: 2014 Tipo de documento: Article

Texto completo: 1 Bases de dados: MEDLINE Assunto principal: Tireoidectomia / Neoplasias da Glândula Tireoide / Adenocarcinoma Folicular / Procedimentos Cirúrgicos Minimamente Invasivos Tipo de estudo: Observational_studies / Prognostic_studies Limite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Ann Surg Oncol Assunto da revista: NEOPLASIAS Ano de publicação: 2014 Tipo de documento: Article