Malignant lymphoma in the ileum diagnosed by double-balloon enteroscopy

Figure 1 Computed tomography, showing localized dilation of the small intestine (arrows) in the pelvis.

Figure 2 Gallium-67 scintigraphy, showing collection in the pelvis (arrow).

Figure 3 Double-contrast barium study of the small intestine, showing a papillary tumor in the dilated ileum (arrows).

Figure 4 Double-balloon entero-doscopic examination, showing a papillary tumor at 100 cm proximal to the ileocecal valve.

Figure 5 A: Histological findings demonstrated large atypical lymphoid lymphocytes, (HE, x 400); B: Immuno-histochemical analysis showed that these lymphocytes were positive for CD3. (CD3, x 400).

Figure 6 The resected specimen of ileum, showing an elevated lesion (110 mm × 85 mm × 50 mm) with central ulceration.