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Solitary Hepatic Metastasis From Papillary Thyroid Carcinoma.

ABSTRACT
Papillary thyroid carcinoma commonly metastasizes to regional lymph nodes. However, metastasis to liver alone is extremely rare. Here we present a 36-year-old woman who underwent total thyroidectomy and bilateral neck lymph nodes dissection for papillary thyroid carcinoma and received radioiodine (131I) ablation therapy for 2 times 1 month and 5 months after surgery, respectively. The images after the 131I therapy showed a solitary occult metastasis in the liver.