Mucocele of the appendix: An unusual cause of lower abdominal pain in a patient with ulcerative colitis-. A case report and review of literature

Figure 3 Histological findings. A and B: Appendix, mucin-filled lumen lined with atypical mucin-producing columnar epithelium and no infiltration in muscular wall, H&E, ×40, ×60; C: Submucosa loaded with chronic inflammatory cells, H&E, ×20; D: Normal colonic mucosa in the cecum, and thickened submucosa, H&E, ×20.