Key Clinical Message
USG and CT are important modalities for detecting hydatid cysts. FNAC can confirm the diagnosis when doubtful. Despite their rarity in the thyroid, primary hydatid cysts should be considered as differential diagnosis for thyroid swellings, even in areas. Surgical resection remains the treatment of choice.
Key words: FNAC, hydatid cyst, thyroid gland, lobectomy, anti-parasitic drug