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Benign ectopic thyroid tissue within the parotid gland is very rare with only one case reported till date in the world literature. We report a case of ectopic thyroid in the left parotid gland with an orthotopic thyroid in an elderly female, who was presented to us with the simultaneous onset of right-sided thyroid swelling and left parotid swelling for 6 months. Fine-needle aspiration cytology (FNAC) was done from both the swellings and a diagnosis of Hurthle cell neoplasm metastasizing to the left parotid gland was initially made. However, histopathological examination along with the immunohistochemistry (IHC) panel proved it to be an ectopic thyroid in the parotid. The case is being documented here for its rarity as well as an unusual presentation so that the readers are aware of this entity and the complete workup required to prevent diagnostic pitfalls.


Anshul Singh, Kusum Yadav, Manoj Kumar, Vatsala Misra. Ectopic thyroid in left parotid gland with an orthotopic thyroid gland: A rare case scenario. Indian journal of pathology & microbiology. 2021 Oct-Dec;64(4):780-782

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PMID: 34673603

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