Fig. 10From: Thoracic, abdominal and musculoskeletal involvement in Erdheim-Chester disease: CT, MR and PET imaging findingsAxial FDG-PET/CT fusion images in a 71-year-old female, in the upper (a) and mid (b) portion of the thorax, showing elevated metabolic activity involving the aortic arch (arrow) and descending aorta (arrow)Back to article page