PET-positive fibrous dysplasia--a potentially misleading incidental finding in a patient with intimal sarcoma of the pulmonary artery.

Benign bone tumors can show an increased FDG uptake in FDG-PET/CT investigations. In the presented case, an incidentally detected PET-positive asymptomatic fibrous dysplasia was initially misinterpreted as a metastasis in a patient with intimal sarcoma of the pulmonary artery.