title: Thyroglossal cyst carcinoma.
abstract: A case of papillary thyroid carcinoma arising in a thyroglossal duct cyst is presented. The tumour is rare and is generally not expected preoperatively. The clinical and pathological characteristics are emphasized, the treatment is discussed, and the importance of excision of thyroglossal duct cysts is stressed.
mesh_terms: D000293:Adolescent; D002291:Carcinoma, Papillary / Q000209:etiology* / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D013955:Thyroglossal Cyst / Q000150:complications* / Q000473:pathology; D013964:Thyroid Neoplasms / Q000209:etiology* / Q000473:pathology / Q000601:surgery