Abstract
Thyroid neoplasms are the most frequent endocrine tumors in adults. Althought rare, children´s thyroid tumors represent 1-2% of pediatrics tumors and compared to adults, childhood tumors are usually bilateral, multifocals, present capsule invasion and lymphnode metastasis at diagnosis and 10-20% have distant metastasis. However, tumors in children have an excellent prognostic. Children an…