Appendicular lumen is full of neutrophils that extend into wall in between the mucosal associated lymphoid tissue together with lymphocytes and plasma cells. This inflammatory infiltrate extend to peri-appendicular soft tissue with an abscess formation. No evidence of specific granulomas. No evidence of appendicular tumors.
Acute appendicitis.
Appendicectomy specimen measured 4.5x1 cm long with attached mesenteric fat measuring 5x1.5 cm, showing mucosal ulceration, showing cyst 2.5 cm, with wall thickness up to 0.3 cm.
Appendicectomy: