[Ectopic thyroid carcinoma in front of hyoid bone misdiagnosed as thyroglossal cyst：a case report].

A clinical case of ectopic thyroid carcinoma in front of hyoid bone was reported in this paper. The patient, a 17-year-old female, presented with an enlarging neck mass of 1-week history. Physical examination revealed a 3 cm×2 cm neck mass in front of the hyoid bone. Ultrasonographic depicted as a cystic solid mixed echogenic mass with punctate strong echogenicity. CT scan showed a cystic-solid mass in front of the hyoid bone with punctate calcifications. The patient was misdiagnosed as a thyroglossal duct cyst and underwent surgery. The final pathological diagnosis was papillary thyroid carcinoma with cyst formation.
Competing Interests: The authors of this article and the planning committee members and staff have no relevant financial relationships with commercial interests to disclose.
(Copyright© by the Editorial Department of Journal of Clinical Otorhinolaryngology Head and Neck Surgery.)