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18F-FES PET/CT in Imaging Patients with Desmoid Tumors

Trial Status: administratively complete

This pilot clinical trial studies fluorine (F)-18 16 alpha-fluoroestradiol (18F-FES) positron emission tomography (PET)/computed tomography (CT) imaging in patients with desmoid tumors. 18F-FES binds to estrogen receptors, which are variably present on desmoid tumors, and gives off radiation that may be detected by PET/CT scans. The PET/CT scan forms an image that may show where tumor cells with estrogen receptors are in the body.