title: Papillary carcinoma of the thyroglossal duct cyst: case report.
abstract: Thyroglossal duct cysts are the most common form of congenital cysts on the neck. The incidence of thyroid papillary carcinoma in thyroglossal duct cyst is less than 1%. In most cases the diagnosis is made postoperatively. We present a 22-year-old female with thyroid papillary carcinoma arising from thyroglossal duct cyst,identified in pathologic study after sistrunk operation.In our case there was neither invasion to adjacent tissue nor lymph node involvement.The patient then underwent total thyroidectomy and bilateral neck dissection. The patient was treated with radioactive iodide and thyroid suppression therapy was given as adjuvant treatment.The patient has been following for two years without any metastasis.
authors.affiliation: Resident of Department of Internal Medicine, Ardabil University of Medical Scinces, Ardabil, Iran.
authors.forename: Nasrollah
authors.initials: N
authors.lastname: Maleki
authors.affiliation: Assistant Professor of Department of Internal Medicine, Ardabil, Iran, Alamdar95@yahoo.com.
authors.forename: Manouchehr Iranparvar
authors.initials: MI
authors.lastname: Alamdari
authors.affiliation: Assistant Professor of Department of Cardiothoracic Surgery, Ardabil, Iran i.feizi@arums.ac.ir.
authors.forename: Iraj
authors.initials: I
authors.lastname: Feizi
authors.affiliation: Resident of Department of Internal Medicine, Bushehr University of Medical Sciences, Bushehr, Iran, z.tavosi@yahoo.com.
authors.forename: Zahra
authors.initials: Z
authors.lastname: Tavosi
keywords: Thyroglossal duct cyst; thyroid papillary carcinoma; thyroidectomy