Korean J Otolaryngol-Head Neck Surg.  2005 Jun;48(6):828-830.

Synchronous Thyroglossal Duct Cyst with Thyroid Papillary Carcinoma: An Optimal Management

Affiliations
  • 1Department of Otolaryngology-Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea. diakonos@kornet.net

Abstract

Thyroglossal duct cyst is the most common congenital neck mass, resulting from the persistence and dilatation of epithelial tract remnants formed during migration of the thyroid during embryogenesis. Approximately 7% of the population has thyroglossal duct remnants and 50% of such thyroglossal duct contains thyroid tissue. It is estimated that carcinoma is found in approximately 1% of thyroglossal duct cyst. We report a 28-year-old female who presented with left thyroid nodule incidentally found in ultrasonography. Ultrasonography and Computed tomography showed small nodular mass with calcification in the left thyroid lobe. Aspirated specimen of mass suggested malignant cells of papillary carcinoma. Since extrathyroidal extension of thyroid papillary carcinoma was noted during the operation, we preferred total thyroidectomy and anterior neck dissection. During the operation, we incidentally found thyroglossal duct cyst. It was resected by the usual Sistrunk's procedure. Histologic sections showed thyroglossal tract lined with pseudostratified columnal epithelium and thyroid follicles in the cyst wall. This case highlights the importance of intraoperative evaluation on the account of the possible presence of thyroglossal duct cyst during total thyroidectomy for malignancy, not only for postoperative radioactive iodine ablation therapy but also to prevent carcinoma from thyroglossal duct cyst.

Keyword

Thyroglossal duct cyst; Thyroid neoplasm

MeSH Terms

Adult
Carcinoma, Papillary*
Dilatation
Embryonic Development
Epithelium
Female
Humans
Iodine
Neck
Neck Dissection
Pregnancy
Thyroglossal Cyst*
Thyroid Gland*
Thyroid Neoplasms
Thyroid Nodule
Thyroidectomy
Ultrasonography
Iodine
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