Pierwotny rak tarczycy w obrŒbie torbieli przewodu tarczowo-jŒzykowego: opis dwÛch przypadkÛw Primary carcinoma of the thyroid growing in thyreoglossal duct cyst: presentation of two cases

Thyroglossal duct remnants (TGDR), most often cysts, are the most common type of developmental abnormalities of the thyroid gland. In about 1 to 2% of TGDR neoplastic transformation occurs. Papillary carcinoma of the thyroid may be encountered in over 90% of such cases. Two cases of primary papillary carcinoma of the thyroid in TGDR in young girls are presented. The diagnostic and thera- peutic problems are shared, and up-to-date management guidelines in similar cases are discussed. (Pol J Endocrinol 2007; 58 (2): 164n167)

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