Appendiceal Orifice Inflammation in Ulcerative Colitis Mimicking Mucosa-Associated Lymphoid Tissue Lymphoma in the Cecum

Figure 5

Flow cytometry analysis results. We used an endoscopic biopsy specimen for flow cytometry analysis; light chain restriction was not observed. CD19⁺ and CD20⁺ cells are gated (a), and light chain expression analysis reveals an almost equal number of Ig κ- and Ig λ-producing cells (b).

(a)

(b)