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[Carcinoma of the thyroid in childhood].

Authors present two cases of thyroid carcinoma in female patients ages 6 and 7 years with a two month evolution before diagnosis. Thyroid scintiscans showed a "cold nodule" in both. One was a papillary carcinoma and the other a mixed papillary-follicular carcinoma. The long term resulted were good. These neoplasms usually appear as asymptomatic thyroid nodules with normal functional status. Treatment must be medical and surgical. The most frequent type is the papillary carcinoma and the prognosis at 5 years is very good.