Indolent NK-cell lymphoproliferative disorder of the gastrointestinal tract complicated by protein-losing enteropathy: A case report

Figure 1 Computed tomography image of the small intestine showing thickening of the jejunal wall and flattening of the intestinal folds.

Figure 2 Histopathological examination of a small intestine mucosal biopsy. A: Lymphoid tissue hyperplasia in the lamina propria of the small intestinal mucosa on the efferent loop (hematoxylin-eosin staining; original magnification, × 40); B: Lymphocytes are diffusely distributed between the glandular structures, without destroying the glandular architecture (hematoxylin-eosin stain; original magnification, × 400).

Figure 3 Immunohistochemical analysis showing CD3(++), CD7(++), CD56(++), and Ki-67 (index 70%). EBER in situ hybridization was negative.