Left thyroid lobectomy and isthmectomy were done under general anaesthesia; the sample was sent for histopathological evaluation. Perioperative course was uneventful with no change in voice, swallowing difficulty, surgical site infections, symptomatic hypocalcemia. The patient was discharged on the fourth postoperative day with prescriptions of levothyroxine, calcium, and calcitriol. Histopathology revealed an outer cuticular membrane and an inner germinal layer surrounded by pericyst layer confirming hydatid cyst. Antiparasitic drugs were not prescribed since there were no hydatid cysts in other sites. During follow-up at one year, he had no recurrence of symptoms, signs of Echinococcus infection.