A Rare Occurrence of Papillary Carcinoma in Ectopic Thyroid Tissue: A Case Report
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Abstract
Introduction: Ectopic thyroid tissue can be found anywhere alоng the path of the thyroglossal duct, from the foramen cecum to the mediastinum, and may present as either a lingual thyroid or a thyroglossal duct cyst. In uncommon instances, abnormal migration of the gland can lead to lateral ectopic thyroid tissue. Similar to the native thyroid gland, ectopic tissue can also undergo malignant transformation.
Case Report: A 38-year-old female presented with neck pain and swelling that had persisted for 4 to 5 months. She visited the surgical outpatient department of the hospital, where she underwent surgery for excision of a mass located in the infrathyroidal region over the trachea. The excised specimen was sent to the pathology department for histopathological examination. Routine laboratory tests showed normal levels. Thyroid function tests were normal.
Conclusion: This case illustrates a rare presentation of papillary thyroid carcinoma originating in ectopic thyroid tissue, while the primary thyroid gland remains unaffected by cancer.
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