Yeungnam Univ J Med.  2014 Dec;31(2):103-108. 10.12701/yujm.2014.31.2.103.

Columnar variant of papillary carcinoma in the thyroglossal duct cyst with progression to lung metastasis

Affiliations
  • 1Division of Endocrinology and Metabolism, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea. SHINDONGYI@yuhs.ac

Abstract

Thyroglossal duct cyst (TGDC) carcinoma generally shows a favorable prognosis. If metastasis is present latently, it may not threaten the patient's life immediately. It has been shown, however, that larger than 1 cm papillary carcinoma (PC), level VI metastasis to the lymph node (LN), which is the nearest to the thyroid, independently predicts a worse prognosis. In the case presented herein, a 61-year-old female patient was diagnosed with an about 3 cm PC in the TGDC, particularly the columnar variant subtype, one of the aggressive variants. She had occult papillary thyroid microcarcinoma, but no LN metastasis. Even though she underwent the Sistrunk procedure and total thyroidectomy with central compartment neck dissection followed by high-dose radioactive iodine remnant ablation, however, the cancer cells spread to level IV neck LN, and finally to the lung. Therefore, when a patient is diagnosed with an aggressive histologic variant of PC in the TGDC, even without LN metastasis, the invasive surgical approach and close postoperative surveillance are necessary, with consideration of the risk of disease progression. Therefore, if it is possible to stratify the risk for patients, higher-risk patients can be offered a more invasive therapeutic approach.

Keyword

Thyroglossal duct cyst; Papillary carcinoma; Disease management

MeSH Terms

Carcinoma, Papillary*
Disease Management
Disease Progression
Female
Humans
Iodine
Lung*
Lymph Nodes
Middle Aged
Neck
Neck Dissection
Neoplasm Metastasis*
Prognosis
Thyroglossal Cyst*
Thyroid Gland
Thyroidectomy
Iodine
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