Prognostic factors in papillary carcinoma of the thyroid

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Abstract
In a retrospective study of 119 patients, followed for 1 to 30 years after treatment of a papillary carcinoma of the thyroid, the authors searched for possible prognostic factors of the risk of recurrence. Microcarcinomas, anaplastic tumors and Hürthle cell carcinomas were excluded from the study. In a univariate analysis, age (> 45 years), sex (male), loss of histologic differentiation, size (> 3 cm), presence of carcinomatous lymphangitis, extrathyroid extension, and presence of metastasis at diagnosis were associated with a higher recurrence rate; type of growth and multifocality were not significant. In a multivariate analysis (logistic regression), age, size, and carcinomatous lymphangitis were significant predictors for women, whereas metastasis at diagnosis and cystic growth were significant for men.