Fig. 3
A 52-year-old woman with gastric cancer and multiple lymph nodes metastases. a, b and c Before administration of pioglitazone, SUVmean and isocontour of gastric cancer in 18F-FDG PET/CT image were 3.09 and 6824.52 Bq/mL. d, e and f After administration of pioglitazone, they were increased to 3.78 and 9480.92 Bq/mL. In both maximum-intensity-projection and axial PET/CT images, glucose metabolism in gastric cancer and metastatic paraaortic lymph node shows increasing pattern on the next day after the use of pioglitazone. This patient also has both supraclavicular and right mediastinal lymph nodes metastases