Variable 131I Activity in Multiple Hepatic Cysts in a Patient With Thyroid Cancer.

Various etiologies could cause focal I accumulation. Hepatic cyst is one of these etiologies. Here we present a 59-year-old man with a history of papillary thyroid cancer resection who received radioiodine therapy for three times. The images after the I therapy of the second and third time showed variable activity uptake in the same hepatic cysts.