Thyroglossal duct carcinoma (TDCa) is a malignant tumor arising within a thyroglossal duct remnant (TDR) or a thyroglossal duct cyst (TDC). The exact origin of TDCa in a TDC is still debated as to whether it represents a metastatic lesion from an occult primary thyroid
carcinoma versus its ‘‘de novo’’ origin. In our patient, we performed excision of the TDC and hyoid bone followed by TT at the same time
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