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Revista argentina de endocrinología y metabolismo
versão On-line ISSN 1851-3034
Resumo
GUZMAN, GE; SANCHEZ DE GUZMAN, G e TOVAR, JR. Relationship Between the Presence of Lymphocytic Thyroiditis with the Severity and Recurrence/Persistence of Differentiated Thyroid Carcinoma. Rev. argent. endocrinol. metab. [online]. 2014, vol.51, n.4, pp.169-177. ISSN 1851-3034.
Introduction: Differentiated thyroid cancer is the most common malignancy and it shows an increased incidence. It is important to find associations that may allow for identification of key risk and/or protective factors for the development of future therapeutic strategies. Thus, we investigated the relationship between the presence of lymphocytic thyroiditis with severity and persistence / recurrence. Materials and methods: We conducted a comparative study using data from patients with differentiated thyroid carcinoma who had undergone total or partial thyroidectomy between January 1997 and December 2012 at a Level IV specialized institution located in Bogotá, Colombia. We evaluated the association between the presence of clinical and pathological factors and the presence of persistence/recurrence using chi-square tests and OR. For multivariate analysis a binary regression model with complementary log-log link was used. Results: No statistically significant relationship was observed between lymphocytic thyroiditis and the presence of clinical-pathological severity factors. However, lymphocytic thyroiditis was associated with persistence / recurrence in the presence of vascular invasion (OR 6.6 95 % CI 1.4-32), lymphatic invasion (OR 5.4 95 % CI 1.3-22.1) and positive lateral neck nodes (OR 58 95 % CI 7.1-476), independently of gender and age. Conclusion: Lymphocytic thyroiditis may not be associated with the presence of markers of clinical-pathological factors but it is effectively associated with a higher persistence/recurrence of disease. Argent Endocrinol Metab 51:169-177, 2014 No financial conflicts of interest exist.
Palavras-chave : Thyroiditis; Thyroglobulin; Neoplasia; Thyroid and prognosis.