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Figure 6b. Gastritis in a 57-year-old man with Hodgkin lymphoma of the left groin. (a) CT scan shows gastric wall thickening (arrow). (b, c) Axial fused PET-CT image (b) and PET scan (c) demonstrate intense FDG uptake involving the gastric fundus and body (arrow), a finding that corresponds to the gastric wall thickening seen at CT. (d) CT scan obtained following treatment with ranitidine shows a moderate decrease in gastric wall thickening (arrow). (e, f ) Axial fused PET-CT image (e) and PET scan (f ) demonstrate markedly decreased FDG uptake involving the stomach (arrow) compared with the pretreatment images (cf a–c).
