Metastasis of Papillary Thyroid Carcinoma to the Maxillary Sinus: Case Report and Review of the Literature

Figure 2

(a) Right maxillary sinus opened with endoscopic modified medial maxillectomy. (b) Tumor (3 × 2 cm) in the right maxillary sinus (with a 70° endoscope). (c) Bleeding from the feeding artery based on the anterior wall of the right maxillary sinus. (d) Feeding artery cauterized and unblocked tumor resected.

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