Presentation
Previous lung cancer. New right submandibular mass.
Patient Data
Age: 80 years
Gender: Female
From the case:
Metastasis to thyroid gland
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A newly developed right thyroid lobe hypodense lesion.
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Initial baseline study demonstrate normal thyroid gland.
Case Discussion
The most common primary cancer to metastasize to the thyroid is renal cell carcinoma, followed by malignancies of the gastrointestinal tract, lungs, and skin, with breast cancer metastases to the thyroid being rare. Overall, the outcomes in malignancies that have metastasized to the thyroid are poor.
Neck lymph node biopsy revealed metastatic adenocarcinoma favoring lung or colon. Unfortunately no biopsy of the thyroid lesion was done.
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