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Thyroid carcinoma metastasizing to the submandibular gland: Sonographic findings
Brandon T Golant1, Anneliese Velez-Perez2, Savitri Krishnamurthy2
1Department of Diagnostic Radiology, Section of Neuroradiology, The University of Texas MD Anderson Cancer Center, Houston, Texas.
Abstract:
Metastases to the submandibular gland are extremely rare; a literature search retuned only three previously reported cases from a thyroid gland primary site. Herein, we report two cases of metastatic thyroid carcinoma to the submandibular gland in a 64-year-old woman with PTC and a 70-year-old-woman with medullary thyroid carcinoma (MTC). The metastases were identified on CT and PET/CT in one case and on CT in the other case, but both were diagnosed with ultrasound-guided fine-needle aspiration. Our cases highlight that while rare, both PTC and MTC can metastasize to the submandibular gland.
