Fig. 6
An example was evaluated by visual and semi-quantitative parameters of I-PET/CT4 as a poor prognosis group, and the prognosis was poor without further intensive treatment or change of treatment regimen. A 62-year-old woman diagnosed with DLBCL by gastroscopy for 1 week. Baseline 18F-FDG PET/CT showed intense glucose uptake (arrow) in the whole gastric wall on MIP (a). Axial images of abdomen region (b PET; c CT; d fusion) revealed diffuse thickening of whole gastric wall and SUVmax(LLR) of 16.6 (arrow). Interim 18F-FDG PET/CT showed intense glucose uptake in in local gastric wall on MIP (e). Axial images of abdomen region (f PET; g CT; h fusion) revealed thickening of gastric wall on the side of great curvature of gastric body and SUVmax(LLR) of 10.0. Evaluation of curative effect: visual analysis is SMD, ΔSUVmax (LLR) = 39.87%. After interim evaluation, R-CHOP continued to be treated for 4 courses. End-of-treatment 18F-FDG PET/CT showed intense glucose uptake (arrow) in the most of gastric wall on MIP (i). Axial images of abdomen region (j PET; k CT; l fusion) revealed thickening of the gastric body and horn with pancreatic invasion and SUVmax(LLR) of 13.8. The patient died 10 months later, and the overall survival time was less than 2 years