Diagnostic role of 18F-fluorodeoxyglucose positron emission tomography for follicular lymphoma with gastrointestinal involvement

Figure 2 Endoscopic images of follicular lymphoma. A: A gastric lesion with thickened rugae exhibiting a slight redness; B: Typical features of the whitish polypoid granules observed in the duodenum; C: Whitish polypoid lesions in the jejunum; D: Indigo carmine contrast was used to emphasize the slightly elevated small polyps present in the colon; E: An elevated lesion with a flat surface and a 20 mm diameter was observed in the rectum; F: In another patient, polypoid lesions exhibiting hypervascularity on the surface were detected in the rectum.