Acellular mucin in neoplastic and non-neoplastic conditions of the lower gastrointestinal tract

Figure 2 Acellular mucin in non-neoplastic conditions. A: Interval appendectomy with subserosal acellular mucin mixed with inflammatory cells [hematoxylin and eosin (H&E)], inset: Higher magnification view of acellular mucin pools; B: Appendiceal diverticular disease with luminal acellular mucin (triangle) in the diverticulum (H&E); C: Ileum with acellular mucin pool at previous anastomosis site in a patient with Crohn’s disease (H&E), inset: Higher magnification view of acellular mucin pool; D: Acellular mucin pool (triangle) at previous diverticular pouch in colonic diverticulitis (H&E).