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Year : 2017  |  Volume : 5  |  Issue : 2  |  Page : 82-85

Thyroglossal cyst malignancy: Two case reports with review of literature

Lab Operation, SRL Limited, Shimla, Himachal Pradesh, India

Correspondence Address:
Shailja Puri
SRL Limited, Shimla, Himachal Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jhnps.jhnps_30_17

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Thyroglossal cyst is formed from the remnant of thyroglossal tract around 8th–10th weeks of gestation. Thyroglossal cyst is the most common congenital mass found in neck midline. Development of carcinoma in thyroglossal cyst is rare, with an incidence of 0.7%–1.0%. Nearly 90% of the malignancies developing in thyroglossal cyst are thyrogenic in origin arising from the ectopic thyroid tissue. Squamous cell carcinoma accounts for <1% of all thyroglossal cyst malignancies. Thyroglossal cyst carcinomas of thyrogenic origin are managed with Sistrunk procedure along with thyroidectomy. Thyroidectomy is recommended because thyroid carcinomas, especially papillary carcinomas, are multifocal and multicentric. Thyroidectomy is not required in thyroglossal cyst carcinomas of nonthyroid origin. We report two cases of thyroglossal cyst with incidental finding of papillary carcinoma of thyroid origin due to their rarity with a review of literature.

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