Patients were imaged integratedPET/CT scanner (Siemens Biograph TruePoint PET/CT systems). Patients were fasted 5.3MBq/kg (144 Ci/kg) 18 F-FDG. bloodglucose levels were less than 150 mg/dl allpatients FDGinjection. PET/CT scan performed60 min after FDG injection. Unenhanced CT images were ...