Author/Authors :
Akgün, Ayşegül Ege University Faculty of Medicine - Department of Nuclear Medicine - İzmir, Turkey , Yazıcı, Bülent Ege University Faculty of Medicine - Department of Nuclear Medicine - İzmir, Turkey , Oral, Aylin Ege University Faculty of Medicine - Department of Nuclear Medicine - İzmir, Turkey , Alçiçek, Şeyma Ege University Faculty of Medicine - Department of Nuclear Medicine - İzmir, Turkey , Tamsel, İpek Ege University Faculty of Medicine - Department of Radiology - İzmir, Turkey
Abstract :
A hyper-metabolic pulmonary nodule was detected on 18F-FDG PET/CT in a 65-year-old woman who had been followed up for 12 years without any complaints following treatment for papillary thyroid cancer (PTC). Wedge resection was performed to the pulmonary nodule and the pathologic examination revealed PTC metastasis. On the post-therapeutic I-131 scan after radioiodine treatment, focal I-131 uptake was detected at the site of pulmonary wedge resection. At first, this finding was thought to be related to the residual lesion but diagnostic CT demonstrated only focal traction bronchiectasis at that region. In addition, a false-positive I-131 uptake was also detected at the soft tissue just lateral to the femoral heads probably due to inflammation.
Keywords :
I-131 , cancer , Thyroid , false-positive , iodine
