[False positive vascular increased uptake during cervico-thoracic radioiodine scan]

ABSTRACT

The total body radioiodine 131 scan is an important tool for the postoperative management of thyroid carcinomas. However, it has multiple false positives. Congenital or acquired vascular abnormalities such as ectasis or aneurism can be responsible for an increased uptake during the whole body radioiodine I[131] scan because of stagnation of the iodine and because of its delayed elimination when these malformations are present. We report the case of such a false positive