Scintigraphic elvaluation of liver metastases from thyroid carcinoma

Thirty-one patients with carcinoma of the thyroid were evaluated using 131-I scan of the torso including the area of the liver. Focal areas of 131I uptake were found in the liver in two patients with follicular thyroid carcinoma. Both patients showed associated abnormalities on 99m-Tc-sulfur colloid liver scans. The remaining 29 patients showed either no uptake or a normal diffuse pattern of 131-I uptake in liver. Careful evaluation of the liver is recommended on the radioiodine body scan for metastases in patients with thyroid carcinoma.