[The radioiodine-concentrating oncocytic thyroid carcinoma: a case report]

A patient with radioiodine-positive metastases to bone and lung of an oncocytic thyroid cancer is reported. A left-sided thyroidectomy had been performed nine years earlier. Histologically it had been a large capsular Huerthle-cell adenoma with regressive changes without signs of malignancy. During a recent operation for a disc prolapse in the lumbar spine a metastasis of an oncocytic thyroid cancer was found. A radioiodine scan showed high accumulation of 131I in the thyroid region, the lung and the lumbar spine. The rare finding of radioiodine uptake in oncocytic cancer is discussed.