Abstract
The transoral approach to the parapharyngeal and retropharyngeal space (PPS/RPS) for the management of well-differentiated thyroid carcinoma (WDTC) has been previously described in other articles. However, limited exposure with this approach can be a challenge. This is a retrospective review of 6 patients who underwent ultrasound-guided transoral excision of PPS/RPS WDTC metastases from October 2003 to March 2009 in a cancer center setting. Ultrasound-guided methylene blue dye injection of the node was used in 3 patients to facilitate intraoperative identification. The technique, safety, and feasibility of the procedure are described in this study. Successful resection of the metastases was accomplished in all cases without intraoperative complication. The 1 definite recurrence was further treated with transmandibular excision. Transoral excision of PPS/RPS WDTC metastases with ultrasound-guided methylene blue dye injection into the metastatic node is safe, feasible, and may further improve intraoperative identification of metastases in poorly accessible locations in the head and neck.
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